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1. MODULE BLACK i gt PURPLE e O WHITE RED n 1 E Sg 21 LOW BATTERY LIGHT 15 PRESSURE T N PURPLE PURPLE D BLACK panies nee x I M 10 HOUR BLACK E PURPLE METER 1 04 BLUE WHITE a 2 d 3 d alH lf 7 YELLOW RED PTO LIGHT 10 a z pa s PURPLE WHITE Es SEAT SWITCH x 4 PINK 1 8 en 14 BLACK YELLOW RED PURPLE O 100091 RED 30A RED PURPLE WHITE dL BLACK a o WHITE BLACK 3 VELLOWZ RED van 11 el SWITCH MES 7 p 8 9 5 M o Ui H as 85 Ter 5 om BLACK 9 SL 1 i 1 a 27 Es m NEE PE f YELLOW RED 3 19 i Qe E YELLOW RED VIOLET c Z 9 e 5 2 d d 8 N SAFETY SWITCH 0 e emm LIGHT 10 g sk KEY SWITCH lt BLUE BRAKE SWITCH 4 BLACK 20 13 9 CRUISE BLACK BROWN YELLOW MAGNET BLACK 12 70 SECTION 13 SNO THRO 13 1 CONTROLS amp FEATURES OO P Wheel Weight Chute Control Crank Deflector Cable Control Bracket Control Cable
2. 12 63 12 5 Solenoid And Relays 12 64 12 6 Lighting Circuits 12 64 12 7 FUSES i c unde Eee ERE 12 64 12 8 Diodes And Rectifiers 12 65 12 9 Electric 12 65 12 10 Checking the PTO Clutch 12 65 12 11 High Sierra Electrical 12 66 12 12 Continuity Diagrams 12 68 12 13 Wiring 12 69 Section 13 Sno Thro 13 71 13 1 Controls amp 13 71 13 2 13 72 13 3 Shear Bolt Replacement 13 73 13 4 Mule Drive Belts 13 73 13 5 and Grease Locations 13 73 13 6 Scraper 13 74 13 7 Runners 13 74 13 8 Discharge Chute Cable 13 74 13 9 Auger Impeller Gear Case Removal 13 74 13 10 Gear Case 13 75 Section 14 Front Blade 14 76 14 1 Controls and Features 14 76 14 2 Lubrication 14 77 14 3 Installation and Removal 14 77 SECTION 1 INTRODUCTION 1 1 THE MANUAL The purpose of this manual is to provide complete instructions for service maintenance disassembly repair and installation of the mechanical components for the unit Dealer trained service personnel should use this manual as a s
3. 4 Inspect the two running surfaces of center section assembly 3 for excessive wear grooving or smearing Abnormal wear patterns will usually be visible Any wear detectable when a fingernail is dragged across the surface is cause for rejection 5 Inspect each piston 17 spring 18 piston seat 16 6 Inspect seal lands of 10cc pump cylinder block assembly 15 for excessive wear grooving or smearing Assembly 1 Install pump cylinder block thrust washer 13 and spring 14 onto input shaft assembly 12 2 Install piston washers 18 springs 17 and pistons 18 in cylinder block 15 3 Install pump cylinder block assembly 15 Be sure spring tension is even around the entire block 4 Install the two center section assembly pins 43 5 Install center section assembly 3 into main housing 1 Make sure center section seats fully on its mating surface 6 Secure center assembly section 3 by installing three screws 44 reference Table 1 Apply a few drops of loctite on screws when installing 7 Install bypass plate 38 into center section assembly 3 NOTE To hold bypass plate 38 in position apply a small drop of grease to its slot before installing 8 Install spacer 27 16T pinion gear 28 washer 82 snap ring 83 and washer 82 onto motor shaft 24 9 Insert the motor shaft assembly far enough to seat the motor cylinder block 21 10 Install piston washers 18 springs
4. DO NOT allow tools or other objects to come into contact with both terminal at the same time ALWAYS remove Negative Cable first to reduce risk of sparks when removing bat tery ALWAYS connect Positive Cable first then connect Negative Cable when install ing battery WARNING EXPLOSIVE GASES can result in serious injury or death ALWAYS keep open flames sparks or smoking materials away from battery POISONOUS BATTERY FLUID contains sul furic acid and its contact with skin eyes or clothing can cause severe chemical burns ALWAYS wear safety glasses and protective gear near battery DO NOT TIP any battery beyond 45 degree angle in any direction ALWAYS KEEP BATTERIES OUT OF REACH of children result in sparks which may result in injury ALWAYS connect disconnect cables in proper order WARNING REVERSE CONNECTIONS may Set Up The new battery is dry charged The dealer or customer must add electrolyte sulfuric acid and water 1 Remove the battery from the unit 2 Remove all the vent caps from the battery and set the caps to one side 3 Take the electrolyte which should be 1 265 specific gravity at 80 F and fill each cell so that the electrolyte is level with the bottom of the fill ring 4 The battery should stand for 1 2 hour Now check electrolyte level in each cell again If necessary add more electrolyte to bring the level up to the bottom of the ring 5
5. WARNING POTENTIALLY HAZARDOUS SITUATION If not avoided COULD RESULT in death or serious injury CAUTION POTENTIALLY HAZARDOUS SITUATION If not avoided MAY RESULT in minor or moderate injury It may also be used to alert against unsafe practices 2 3 NOTATIONS NOTE General reference information for proper oper ation and maintenance practices IMPORTANT Specific procedures or information required to prevent damage to unit or attachment 2 4 PRACTICES AND LAWS Practice usual and customary safe working precautions for the benefit of yourself and others Understand and follow all safety messages Be alert to unsafe conditions and the possibility of minor moderate or serious injury or death Learn applicable rules and laws in your area 2 5 REQUIRED OPERATOR TRAINING Original purchaser of this unit was instructed by the seller on safe and proper operation If unit is to be used by someone other than original purchaser loaned rented or sold ALWAYS provide the Operator s Manual and any needed safety training before operation 2 6 PREPARATION Before starting any removal of parts proper preparation is very important for efficient work A clean work area at the start of each job will allow you to perform service repairs easily and quickly To reduce the incidence of misplaced tools or parts place removed components with all attaching hardware in the disassembly order on a clean work surface
6. 30W Above 40 F Spark Plug Gap 030 Champion 0 5 9 0 9 5 030 Champion RN 4C 0 2 9 0 4 7 RC12YC Speed Forward Max mph kph 0 0 5 5 0 8 8 20W50 Oil 0 0 5 5 0 8 8 Reverse Max 0 2 75 0 4 4 0 2 75 0 4 4 Transmission Lube 20W20 Oil Belt Clutched 20W20 Oil Drive Clutch Belt Clutched 260 Ft Lb Belt Clutched Axle Capacity 325 Ft Lb 500 227 325 Ft Lb Allowable Added Weight lbs kg 500 266 7 700 317 8 500 266 7 Rear Axle Maximum Load Ibs 900 408 2 900 408 2 kg 10 PSI 10 PSI 14 PSI 10 PSI Tire Pressure with Loads Front Manual Rear Light amp Medium 10 PSI 10 PSI 10 PSI 10 PSI Heavy Sno Thro 14 PSI 10 PSI 14 PSI 10 PSI Lift System Manual Electric Manual Power Take Off Electric Electric Mower Pan 48 48 Bagger 3 Bucket 1 Bag N A N A Sno Thro 834033 834033 Dozer Blade 834034 834034 SECTION 4 GENERAL MAINTENANCE amp ADJUSTMENTS 4 1 CONTROLS AND FEATURES 1 Fuel Tank Fill Clutch Brake Pedal Attachment Lift Lever Throttle Clutch Lever Head Light Switch Reverse Pedal Ignition Key Switch Implement Power Switch Headlights 0 Parking Brake Control 2 3 4 5 6 7 8 9 1 0 0180 15 19 10 18 5 17 4 E eroi 0 0 6 94 000 Fuel Level Indicator Seat Position or Adjustment Transmission Disconnect Control Forward Pedal Mower Height Indicator Choke Control 16 HP B amp S Twin Only
7. 87 108 in lbs 9 8 12 2 Nm 29 M6 x 1 22 Axle Shaft Jam Nut Item 73 660 800 in Ibs 74 5 90 3 Nm 73 5 16 18 Right Hand Housing Screws Item 80 230 290 in lbs 25 9 32 7 Nm 80 5 16 18 Axle Hub Nut Item 119 200 295 ft Ibs 271 400 Nm 119 3 4 16 Pulley Nut Item 115 360 520 ft lbs 488 705 Nm 115 Jam Nut Fan Screws Item 107 35 50 in lbs 4 0 5 6 Nm 107 Screw Bypass Screw Item 138 42 62 in lbs 4 7 7 0 Nm 138 10 32 x 1 2 Torque Bracket Nut Item 142 160 210 in Ibs 18 1 23 7 Nm 142 5 16 18 Control Arm Stud Item 36 50 120 in Ibs 5 6 13 5 Nm 36 5 16 24 Trunnion Shaft Nut Item 95 180 240 in Ibs 20 3 27 1 Nm 95 5 16 24 Control Bearing Screw Item 92 190 240 in lbs 21 4 27 1 Nm 92 Screw Control Arm Nut Item 95 85 120 9 6 13 5 Nm 95 5 16 24 Adjusting Puck Screw Item 88 250 320 in lbs 28 2 36 1 Nm 88 5 16 24 x 1 3 4 Brake Nuts Item 127 80 120 in Ibs 9 0 13 5Nm 127 1 4 20 9 8 FLUIDS The fluids used in Hydro Gear products have been carefully selected and only equivalent products should be substituted Fluid Volume engine oil Fluid Level or better The transmission holds 0 95 gals 3 6 L of 20W 50 Typically an engine oil with a minimum rating of 55 SUS at 210 F and an API classification of SH CD is recommended A 20W 50 engine oil has been selected for use by the factory and is recommended for normal operating temperatures Certain situations may req
8. High Sierra Service Manual Models 934026 027 019 020 023 025 301 03364800 09 00 Printed USA TABLE OF CONTENTS Section 1 Introduction 1 3 1 1 The 1 3 1 2 Service And Replacement Parts 1 3 1 3 Product 1 3 1 4 Unauthorized Replacement Parts 1 3 1 5 1 3 1 6 Technical Service Communications 1 3 1 7 1 3 Section 2 2 4 2 1 Safety 2 4 2 2 Signal 2 4 2 3 2 4 2 4 Practices And Laws 2 4 2 5 Required Operator Training 2 4 2 6 2 4 2 7 Service 2 4 2 8 Cleaning And Storage 2 5 2 9 Safety 2 5 2 10 Clean 2 7 Section Specifications 3 8 Section 4 General Maintenance amp 4 11 4 1 Controls And Features 4 11 4 2 Filling The Fuel 4 12 4 3 General Lubrication 4 12 4 4 Checking 4 12 4 5 Check Engi
9. 155 FAN PULLEY ASSY KIY 102 142 TORQUE TQ 150 210 185 26 END Qa gt TORQUE TO 180 240 1 18 TORQUE TO 230 290 14 18 79 GASKET MATL 111 KI FORGE TO 87 108 IN LES E 2 PL Figure 66 S 3 5 e Gr ei 128 8 X e 7 Md 9 TORQUE TO 190 240 IN LBS 2 Sieg 27 D lt gt TORQUE 80 120 IN LBS 2 87 20W50 ot 109 6 SECTION 10 LIFT SYSTEM 10 1 LIFT SYSTEM OVERVIEW 6 Release and remove the detent lever tension The lift system used on the High Sierra tractor uses a spring 23 ER gas cylinder assisted system to take the weight of the 7 Remove the pivot pin from the lift linkage and attachment away from the operator remove detent lever from the linkage 8 Remove the external retaining ring from the ends of the lift lever pivot and remove the washers and bushings 9 Remove the carriage bolts and nuts holding the pivot rod to the rear deck supports 10 3 LIFT SYSTEM INSTALLATION 1 Insert the cross shaft and coil assembly into the support bracket still in the tractor and mount the left with the hardware removed with it 2 Insert the fuel line and wire harness into the J clamp and bend closed 3 Insert the lift rod into the lift arm cross shaft and secure with washers and cotter pin 4 Reassemble the upper lift assembly into the rear deck support and secure with the hardware removed earlier 5 Install the bushings and washers o
10. 17 and pistons 16 in cylinder block 21 11 If not already available make an assembly tool from 28 ga sheet metal as shown in Figure 58 The assembly tool must be free of burrs and rough edges 12 Using the assembly tool to compress pistons 22 install cylinder block assembly 21 Be careful not to dislodge bypass plate 38 when installing the cylinder block assembly 13 Again using the assembly tool to compress pistons 22 slide thrust bearing 25 behind the tool into its cavity in front of the cylinder block 21 and assembled pistons NOTE The thick race of thrust bearing 25 must face the pistons 14 While holding the cylinder block assembly 21 and the thrust bearing 25 in place withdraw the assembly tool from between the thrust bearing and the pistons 15 Install motor thrust bearing retainer 57 16 Reassemble the planetary differential assembly and install removed components as directed in their respective assembly procedures Break sharp edges both sides Use 28 gauge sheet metal 2 250 inch 1 125 Radius 6 000 Figure 63 Part Name Main Housing Center Section Assembly Block Insert Washer Block Spring 10cc Oylinder Block Pistons Springs Piston Washers Block Spring REF Part Name 20 Bushing 21 21cc Cylinder Block 22 Pistons 23 Springs 24 Motor Shaft 25 Thrust Bearing 27 Spacer 28 16t Pinnion Gear Figure 64 REF Part Name Bypass Plate Pin Screws O Ri
11. 5 7 INSPECT MUFFLER SPARK ARRESTER Inspect muffler and if equipped spark arrester Replace muffler if corroded as it could create a fire hazard and or damage 5 8 REPLACE SPARK PLUGS Spark plug type and gap setting are shown in Specifications See Engine Manual for detailed instructions 5 9 ENGINE REMOVAL 1 Remove the hood from the units engine 2 Remove the negative cable from the battery 3 Remove the main drive belt from the engine sheave by releasing the idler tension spring 4 Remove the jackshaft drive belt from the engine sheave by releasing the tension spring from the right side of the transaxle sub frame 5 Remove the throttle and choke control from the engine 6 Remove the electrical wiring from the engine charge lead fuel solenoid lead and magneto kill wire 7 Remove fuel line from engine first Drain fuel from line back into fuel tank 8 Remove the exhaust system from under the frame Disconnect at the exhaust port on the engine 9 Remove the engine bolts 10 Lift engine out of the unit and off the frame with a hoist engine 11 Service overhaul or replace engine as required 12 If replacing engine with a new engine the following items will have to be removed if used from old engine These items will not be included with a new engine Engine sheave and key mounting hardware and engine wiring harness 5 10 ENGINE INSTALLATION 1 Check the engine base and unit frame for damage b
12. Charge until all cells are gassing freely and the specific gravity is constant over three successive readings taken at 30 minute intervals 6 Immediately after charging check level of electrolyte If the level is low add distilled water to bring it up to the required level 7 Replace the vent caps It is not necessary to tighten more than finger tight 8 Wash off the battery to remove electrolyte which may have spilled Battery Electrolyte First Aid External contact Flush with water Eyes Flush with water for at least 15 minutes and get medical attention immediately Internal contact Drink large quantities of water Follow with Milk of Magnesia beaten egg or vegetable oil Get medical attention immediately IMPORTANT In case of internal contact DO NOT induce vomiting 12 60 Clean Battery Corrosion and dirt on the battery and terminals can cause the battery to leak power Remove battery See Battery Removal and Installation Rinse the battery with plain water anddry Clean terminals and battery cable ends with wire brush until bright Coatterminals with grease or petroleum jelly Reinstall battery Battery Removal and Installation Remove battery before service 1 Battery 2 Positive Terminal 3 Negative Terminal 4 Battery Cover 5 Battery Strap Figure 68 OTO0271 To remove the battery from the unit 1 Remove the two self tapping screws at the top o
13. Cruise Control Switch Indicator Lights Oil Reserve 0 0120 4 2 FILLING THE FUEL TANK WARNING Use caution with fuel Fuel is very flammable Keep fuel in a clean and tight container Keep fuel away from fire and heat Never put fuel in the fuel tank while the engine is running or hot Clean up any spilled fuel before starting the engine Add fuel to the fuel tank as needed See your engine manual for the correct type and grade of fuel to be used Put the unit in an open and well ventilated area prior to refueling Stop the engine and set the parking brake Move the seat forward and clean the fuel cap and in the area around the fuel cap Remove the cap from the fuel tank Fill the fuel tank with the proper grade of fuel recommended by the engine manufacturer Be careful not to spill any fuel Install fuel cap on the fuel tank and tighten 4 3 GENERAL LUBRICATION The steering system front axle and wheels brake clutch shaft support and pivot points should be lubricated every 50 hours of operation or every 3 months whichever occurs first Grease fitting locations Oil pivot points on brake clutch and mower deck linkage as needed IMPORTANT Wipe each fitting clean before and after lubrication Apply Sten Mix Hi Temp Grease or equivalent to the lube fittings Order P N 00036800 Three pack of 3 oz cartridges or 00036700 ten pack of 14 oz cartridges Apply grease at lubrication poin
14. Ground Level Figure 12 4 13 MOWER PITCH AND HEIGHT For proper blade pitch blade tip measured from surface is 1 8 to 1 4 lower at front of mower deck than when same tip is at rear of mower pan To adjust pitch loosen nylon lock nuts and slide adjusting tabs up or down Height adjuster hooks raise or lower mower deck and change cutting height To adjust 1 Remove hair pins and height adjusters 2 Turn equally clockwise to lower or counterclockwise to raise rear of rotary mower 3 With mower attachment lift in highest position front blade height should measure 4 from ground level 4 Secure height adjusters in position with hair pins 4 14 SHARPEN BLADES 1 2 1 3 1 Outer Blades 3 Mounting Lock 2 Center Blade Washers and Nuts Figure 13 S CAUTION Stored energy in spring can cause A injury sharpen blade 1 Block blade to prevent rotation Remove nut lock washer and blade from shaft 2 Sharpen both ends of blade at original angle 25 degrees removing equal amounts of material from each end to maintain proper blade balance New blades are balanced to within 1 3 inch ounces at factory DO NOT grind around corner at top of blade If cutting edge of blade cannot be sharpened to a square corner to within 1 8 of its end replace blade with Ariens replacement blade only Blades are available through your Ariens D
15. Hanger Bracket Sierra Only Only 7 Latch Pin 8 Carriage Frame Figure 76 011212 14 77 Ariens Company 655 West Ryan Street P O Box 157 Brillion WI 54110 0157 920 756 2141 Fax 920 756 2407 www ariens com
16. I OPERATOR OFF SEAT Light Switch Relay 03656800 03042800 NOT ENERGIZED Clutch Brake Switch Safety Switch 03657100 08828100 OPERATOR ON SEAT ENERGIZED 1 J 1 2 t 2 1 73 ENGAGED DISENGAGED ENGAGED button in button out button out i 1 2 DISENGAGED button in PTO Switch Cruise Control Switch 53603800 03656900 ca 1 4 5 e DISENGAGED ENGAGED CRUISE ON 12 68 0860 12 13 WIRING DIAGRAMS Models 934026 934027 CRUISE CRUISE SWITCH OPTIONAL _ YELLOW GREEN WHITE CBLACK PURPLE OIL PRESSURE BLUE WHITE 1 FUEL SOLENIOD 3 PTO SWITCH PURPLE YELLOW i 2 RED VIOLET RED VIOLET STARTER SOLENOID KEY SWITCH 0960 12 69 Models 934023 301 VOLTAGE SENSOR
17. Operates in One Direction Only 1 8 12 30 46 Pump Failure 4 12 37 repair or replace Speed Loss Under Load 1 6 11 28 37 46 51 repair or replace Speed Loss Under Load 1 4 7 12 18 28 26 repair or replace Will Not Drive 1 7 8 18 28 37 38 46 48 Will Not Shift repair or replace TROUBLESHOOTING KEY 1 Inspect control linkage 22 Inspect hoses and lines for wear 43 Burrs on gearing 2 Inspect acceleration valves 23 Inspect implement relief valve 44 Gears improperly installed 3 Inspect charge check valves 24 Inspect charge pump 45 Forks amp rod assembly incorrectly installed 4 Incorrect grade of lubricating oil 25 Bad transmission pump 46 Shifting keys broken or damaged 5 Low cranking speed 26 Overheating 47 Shifting washer in backwards 6 Controls not in correct operation 27 Cold running 48 Shifter Brake shaft keyways damaged position 7 Belts are missing to tight loose or 28 Bad transmission motor 49 Unit clutch not disengaging glazed 8 Overload of vehicle 29 Check system pressure 50 Shifter stop assembled backwards 9 Replacement parts damaged 30 Shift rod grooves worn 51 Improper fit of case to cover 10 Replacement parts improperly 31 Reverse chain broken 52 Dowel pins not installed installed 11 Improperly torqued attaching 32 Damaged cooling fan 53 Differential bevel gears broken Screws 12 Air in hydraulic system 33 Inspect auxiliary relief valve 54 Spring in shifter weak or broken 13 Broken shifter sto
18. Organization is a key part of proper reassembly Tools instruments and parts needed for the job should be gathered before work is started Interrupting a job to locate tools or parts is a needless delay A list of required special tools has been included in this manual CAUTION Remove enough fuel so that no spillage will occur Remove battery to prevent spillage of electrolyte 2 7 SERVICE POSITION WARNING Always block wheels and know that jack stands or blocks used are stable strong or secure and will hold the weight of the unit during maintenance To ensure the unit is positioned in the proper service position 1 Place jack stands under rear transaxles only 2 f jacks are not available place support blocks under both transaxles at the rear of unit 2 8 CLEANING AND STORAGE IMPORTANT Never spray unit with water or store unit outdoors to help prevent sealed bearing rust or corrosion Water can seep into sealed bearings and reduce component life Bearings are sealed against dirt and debris only A unit that is excessively dirty should be cleaned before work starts Cleaning will occasionally uncover trouble sources Dirt and abrasive dust reduce the efficient work life of parts and can lead to costly replacement When taking unit out of extended storage 1 Check for any damage or loose parts Repair replace or tighten hardware before operation 2 If a preservative fluid was used in fu
19. Use in removing the hub to prevent cracking 9 6 LIMITED DISASSEMBLY The following procedures are presented in the order in which they must be performed to completely disassemble the unit Do not disassemble the unit any farther than is necessary to accomplish the required repairs Each disassembly procedure is followed by a corresponding assembly procedure and the disassembly process can be halted after any given procedure 9 7 HOW TO USE THIS MANUAL Many of the parts and subassemblies of this transaxle can be removed and serviced independently of other components The disassembly inspection and assembly portions of this manual are therefore laid out in subsections Each assembly is treated as a unit and the disassembly inspection and assembly procedures follow one another Where some components and assemblies must be removed before a given assembly can be serviced that information is given at the beginning of the disassembly instructions Subassemblies removed to reach another component or feature need not be fully disassembled They may be reassembled intact following the necessary repairs Table 1 Torque Specifications Operation Torque Item Part Description Center Section Screws Item 4 525 700 in Ibs 59 3 79 Nm 44 Screw Lower Housing Screws Item 50 135 185 in lbs 15 2 20 9 Nm 50 Screw Charge Pump Cover Screws Item 29
20. tightening or loosing the castle nut 3 Adjust brake gap to 0 015 clearance 4 Install the cotter pin to secure the castel nut and then install the brake arm blast spring 9 10 RETURN TO NEUTRAL SETTING Optional Feature The return to neutral mechanism on the transmission is designed to set the directional control into the neutral position An optional feature it is available in two versions One version provides hand control and the other foot control WARNING POTENTIAL FOR SERIOUS INJURY Certain procedures require the vehicle engine to be operated and the vehicle to be raised off of the ground To prevent possible injury to the servicing technician and or bystanders insure the vehicle is properly secured 9 11 RETURN TO NEUTRAL SETTING HAND CONTROL The return to neutral mechanism on the transmission is designed to set the directional control into a neutral position when the vehicle parking brake is engaged Follow the procedures below to properly adjust the return to neutral mechanism on the transaxle 1 Confirm the transaxle is in the operating mode bypass disengaged Raise the vehicle s drive tires off the ground to allow free rotation NOTE It may be necessary to remove the drive tire from the axle hub to access the linkage control and the transaxle control arm 2 Remove the Original Equipment Manufacturer s OEM s control linkage at the control arm Refer to Figure 46 3 Remove
21. 1 Engine Sheave 2 Vee ldler 3 Clutch Idler Arm 4 Transaxle Pulley 5 Traction Drive Belt 6 Belt Finger 2 7 Belt Guide 3 Figure 7 WARNING Stop engine remove key and A remove wires from both spark plugs before attempting to replace belts 1 Loosen hardware securing belt fingers at idler and pulleys 2 Depress clutch brake pedal and remove belt from idler engine sheave and pulleys 3 Install new belt in reverse order 4 Secure belt finger hardware with 1 16 to 1 8 clearance between belt fingers and belt 5 Tighten the 5 16 belt finger hardware to 109 lbs and the 3 8 hardware to 179 in lbs 20 2 Nm 4 11 MOWER DRIVE BELT The mower belt idler system is designed to provide constant tension on the belt To maintain proper belt tension the idler spring must be extended as shown If the spring is extended less than 4 replace the belt 1 Rotary Mower Belt 6 Mower Idler Spring 2 Drive Pulley 7 Main Idler Spring 3 Idler 8 Electric Clutch 4 Rotary Mower Drive 9 Mower ldler Pulleys Belt 10 Front Skid Roller 5 Belt Cover 2 Figure 8 070331 1 Disconnect main idler spring from frame Remove belt from electric clutch and mower pan 2 Install new belt in reverse order check belt alignment and clearance CAUTION Stored energy in spring can cause A injury 1 Idler 4 Jackshaft Pulley 2 Mower Pulley 5 Idler
22. 11 Return To Neutral Setting Hand Control 9 42 9 12 Return To Neutral Setting Foot Control 9 43 9 13 Purging Procedures 9 43 9 14 Brake Disassembly amp Assembly 9 44 9 15 9 45 9 16 Assembly 9 45 9 17 Bypass Assembly 9 45 9 18 Control Arm Assembly 9 45 9 19 Torque Bracket Assembly 9 47 9 20 Fan And Pulley Assembly 9 47 9 21 Input Shaft Assembly 9 47 9 22 Charge Pump Assembly 9 48 9 23 Lower Housing Filter Manifold Assembly 9 48 9 24 Planetary Differential Assembly 9 50 9 25 Motor Center Section Pump Assembly 9 51 9 26 Directional Control Assembly 9 54 9 27 Transaxle Installation 9 54 9 28 Assembly After A Complete Tear down 9 54 Section 10 Lift System 10 56 10 1 Lift System Overview 10 56 10 2 Lift System Removal 10 56 10 3 Lift System Installation 10 56 Section 11 Fuel System 11 57 11 1 Fuel System Troubleshooting 11 57 11 2 Fuel um ix a uem 11 58 11 3 Fuel System Contamination 11 58 11 4 Fuel 11 58 Section 12 Electrical 12 59 12 1 Tools nei 12 59 12 2 Electrical Measurements 12 59 12 8 Battery ence Re beds 12 60 12 4
23. 13 8 DISCHARGE CHUTE CABLE To adjust discharge chute cable loosen clamp rotate discharge chute in desired direction to stop and reposition cable Tighten clamp and replace guard 13 9 AUGER IMPELLER GEAR CASE REMOVAL 1 Remove taptite washer cap screw washer and lock washer securing belt guard to housing and remove belt guard 2 Remove belt from pulley 3 Remove set screws securing pulley to worm shaft and remove pulley and woodruff key 4 Remove three nuts securing flange bearing to housing and remove bearing 5 Remove cap screw lock washer washer and flange bushing from ends of auger shaft Remove rib neck bolts and flange whiz lock nuts securing bearing supports to housing and remove supports 6 Pull auger impeller and gear case from housing 7 Remove two way lock nuts and shear bolts securing augers to auger shaft and remove augers 8 Drive roll pins securing impeller to worm shaft and remove impeller 74 13 10 GEAR CASE 1 Remove four bolts from bearing flange 2 Remove flange and gasket NOTE At this point bronze gear cannot be removed 3 Using bearing adjustment wrench remove adjustment plug 4 While holding input shaft in one hand and using a mallet strike case until bearing cone pops out of the case 5 Bronze gear can then be removed from case 6 After bronze gear is removed input shaft can be removed NOTE It is not necessary to remove the end cap from case 7 To rem
24. 7 23 7 3 Tie Rod 7 24 7 4 Steering Service Kit 7 24 Section 8 Transaxle Eaton 851 7 26 8 1 Transmission Troubleshooting 8 26 8 2 Checking The Transmission Fluid 8 27 8 3 Transmission 8 27 8 4 Filling The Transmission 8 27 8 5 Transmission Removal 8 27 8 6 Transaxle Series Eaton 851 8 28 8 7 Axle Housing Disassembly 8 29 8 8 Motor Rotor Disassembly 8 31 8 9 Pump And Motor Rotor Inspection 8 32 8 10 Transaxle Reassembly 8 33 8 11 Transaxle With Dump Valve 8 33 8 12 Transaxle With Charge Pump 8 34 8 13 Cover Reassembly 8 35 8 14 Axle Housing Reassembly 8 36 8 15 Fluid Recommendations 8 37 8 16 Transaxle Installation 8 37 8 17 Shift 8 38 Section 9 Transaxle HydroGEAR 319 30009 39 9 1 Hydro Transmission Troubleshooting 9 39 9 2 Product Identification 9 40 9 3 General Instructions 9 40 9 4 Torque Specifications 9 40 9 5 Transaxle 9 40 9 6 Limited Disassembly 9 40 9 7 How To Use This Manual 9 40 9 8 IS CET 9 41 9 9 Brake Maintenance 9 42 9 10 Return To Neutral Setting 9 42 9
25. Chute Tab 7 Chute Deflector 8 Discharge Chute 9 Auger Impeller Housing 10 Shear Bolt s 11 Auger Gear Case 12 Impeller Figure 70 13 Auger 14 Runners 15 Scraper Blade 16 PTO Switch 17 Pivot Plate 18 Lift Lever 13 71 13 2 INSTALLATION 9 Attach the lift arm to the lift lever with clevis pin and hair pin 10 Remove the blocking from under the snow head The attachment may now be raised or lowered with the attachment lift lever on the blower push frame 11 Secure the discharge chute crank to the spool with a hair pin Figure 71 1 With the housing and push frame assembly positioned on a flat level surface roll tractor into position over push frame with the front of the tractor over the pivot support 2 Lift pivot support into position on the front of the tractor frame and install upper mounting latch pin into tractor frame 3 Raise the rear of the push frame and secure to the tractor with the latch pin on each side of the frame 4 With the PTO in the off position connect the PTO drive belt from the PTO clutch to the top drive spindle on the push frame 5 Manually lift the front of the auger impeller housing and block it 3 or 4 inches from the floor Insert gas cylinder onto the anchor arm and insert the hairpins 6 Connect the lift link on the housing to the lift bell crank install a washer and secure with a hair pin 7 Connect the lift arm to the lift
26. REPLACEMENT PARTS Use only Ariens replacement parts The replacement of any part on this vehicle with anything other than a Ariens authorized replacement part may adversely affect the performance durability or safety of this unit and may void the warranty Ariens disclaims liability for any claims or damages whether warranty property damage personal injury or death arising out of the use of unauthorized replacement parts 1 5 DISCLAIMER Ariens reserves the right to discontinue make changes to and add improvements upon its products at any time without public notice or obligation The descriptions and specifications contained in this manual were in effect at printing Equipment described within this manual may be optional Some illustrations may not be applicable to your unit 1 6 TECHNICAL SERVICE COMMUNICATIONS Ariens Technical Service communicates information to the field using Service Letters Service Bulletins Product Notices and Campaigns Each communication signifies a type of information and priority The dealer is responsible to carry out the directive provided in the communication The types of communication are Service Letter General technical information for the dealer Technical information on how to service the product and product improvements Service Bulletin Notification to update products to resolve certain issues or a notification of a policy change Product Notices Notification of limited pro
27. The build code of the transaxles identifies the month day and year of the transaxle manufacture This information is found in the same area as the identification code When ordering replacement parts for a transaxle the part s order must include the part name part number quantity of parts and also the transaxle model number input rotation and date code The following procedures describe complete disassembly and reassembly of the transaxle The level of cleanliness maintained while servicing the transaxle could affect its performance Work in a clean area After disassembly wash all parts with clean solvent and blow the parts dry with air Inspect all mating surfaces Replace any damaged parts that could cause internal leakage Do not use grit paper files or grinders on finished parts NOTE Whenever a transaxle is disassembled our recommendation is to replace all seals Lubricate the new seals with petroleum jelly before installation Use only clean recommended hydraulic fluid on the fin ished surfaces at reassembly The following tools required for disassembly and reassembly of the transaxle 3 8 in Socket or End Wrench 1in Socket or End Wrench Ratchet Wrench Torque Wrench 300 Ib in 34 Nm 5 32 Hex Wrench Small screwdriver 94 in 102 mm to 150 mm long No 5or 7 Internal Retaining Ring Pliers No 4 or 5 External Retaining Ring Pliers 6in 150 mm or 8 in 200 mm C Cl
28. an egg carton or ice cube tray to hold the balls NOTE The balls must be placed in the same bores from which they were removed because they are all select fit 3 Check for broken or collapsed springs in the motor rotor When broken or collapsed springs are found with no other irregularities the springs may be replaced individually without replacing the complete motor rotor assembly 4 Inspect the piston balls They must be smooth and completely free of any irregularities 5 Inspect the rotor bores rotor bushing and pintle journals for irregularities or excessive clearance the ball piston to rotor bore clearance is select fit electronically from 0 0002 0 005 mm to 0 0006 0 015 mm When irregularities are noted replace the complete rotor assembly 6 Install the ball pistons in their matching bores Hold them in place with a rubber band or separate race 7 To inspect the charge pump assembly use a 5 32 hex key to remove the cap screws from the charge pump plate see Figure 32 Socket Head Cap Screw 4 Figure 37 8 Remove the charge pump plate from the housing 9 Remove the charge pump gerotor from the housing The pump and motor journals and cam ring dowel cannot be removed once they have been installed in the housing NOTE Inspect the pump and motor journals for any irregularities If any are found the housing must be replaced In most cases we do not recommend removal of the dam
29. bench Install the motor rotor assembly 24 Install the friction brake pad into its recess located in the housing assembly 25 Carefully retain the planetary assemblies in position install the axle housing assembly on the housing assembly 26 Install the axle housing flange screws and torque to 125 Ib in 14 Nm Friction Pad Axle Housing S A and Planetary Assemblies Hex Head Flange Screws 8 Motor Rotor Bail S A with Rubber Band Ball Retainer Remove Rubber Band Ball Retainer just before ball pistons enter race groove Figure 47 27 Reposition the transaxle and install the gasket and one of the following filter base internal filter and valve cover position metal side of filter toward housing and gasket port plate 28 Aligning the screw holes install 5 flange screws 29 Cross torque screws to 125 in lb 14 Nm 30 Fill transaxle with an approved hydraulic fluid The transaxle is now ready for test and installation TRANSAXLE WITH CHARGE PUMP AND SPIN ON FILTER Lubricate the filter seal install filter hand tight 3 4 to 1 full turn after gasket base contact 8 15 FLUID RECOMMENDATIONS Premium hydraulic oil having a viscosity equivalent to SAE 20W20 SAE 30 or SAE 40 A reputable supplier can help you make the best selection of the hydraulic fluid for use in your Eaton transaxle 8 16 TRANSAXLE INSTALLATION Refer to transaxle removal Installation is perfor
30. indicates an open coil and a defective device There are also a number of mechanical problems that may cause the problem The starter solenoid in the Ariens equipment is a sealed unit used to actuate the starter motor on the engines These solenoids may have three or four connections The two large connections carry high current to operate the starter motor The small connections are connected to the coil and carry the control current To check the solenoid disconnect the cables to the starter motor turn the ignition switch to the start position and listen for the solenoid to snap inside contacts closed If no snap is heard check across the coils with a voltmeter The voltage should read 12 volts with the ignition switch in the start position If no voltage appears the defect is in the start circuit If the voltage is correct turn off the power and check continuity of the coil with an ohmmeter If the coil is open the solenoid is defective and must be replaced If the coil has the proper voltage applied and the continuity check indicates the coil is intact the solenoid plunger is stuck or the contacts are welded shut and the solenoid must be replaced If the solenoid snaps shut but the start does not operate check across the large contacts with an ohmmeter If there is no continuity when the solenoid snaps shut the contacts are defective and the solenoid must be replaced 12 6 LIGHTING CIRCUITS Lighting circuits
31. necessary at this time 4 Slide the mower deck forward just enough to remove the front pin and front lift arms from the tractor front hooks 5 Unhook idler tension spring from frame CAUTION Stored energy in spring can cause injury 4 Rear Lift Arm 5 Height Adjuster 6 Center Lift Lever 1 Front Pin 2 Hair Pin 3 Front Lift Arm Figure 18 OTO0301 6 5 ROTARY MOWER BELT REPLACEMENT 1 Place 2 supports approximately 1 1 2 high under the right and left side of the mower deck 2 Lower the mower deck on to the supports This relieves all the mower decks weight from the tractors lift system 3 Disconnect the mower rear hangers by pulling the hair pins out of the rear lift arm pins 6 Remove both belt covers Disconnect the idler spring from the spring mount post welded to the mower deck 7 The mower belt idler system is designed to provide constant tension on the belt To maintain proper belt tension the idler spring must be extended as shown below If the spring is extended less than 4 replace the belt on 48 mower 8 Loosen hardware for left side of jackshaft housing Remove hardware from right side of jackshaft housing 9 Remove the old belt from the mower deck and install the new belt in reverse order Be sure that the belt is seated in all pulley grooves Tighten the 4 5 16 nuts etc 10 Reinstall rotary mower deck SECTION 7 STE
32. of the spring pointing inward as shown in Figure 33 3 Install the spring and dump valve bracket in the housing The spring is properly positioned when the longest leg points toward the check valve assembly 4 Lubricate and install the o ring around the dump valve nut 5 Install the nut over the dump valve bracket into the housing NOTE Make sure you do not damage the dump valve o ring during installation 6 Using a 1 inch socket or end wrench torque the dump valve nut to 150 Ib in 15 Nm 8 12 TRANSAXLE WITH CHARGE PUMP Socket Head Cap Screw 4 o Eos C E GER Fully Engaged Area of igned Input _ Gerotor Designed Input een s Stamped Ring and Star Rotation Stamped into Housing CW into Housing CCW Figure 39 1 Install the generator on the housing NOTE the generator ring and star have been marked with a dot on each the ring and star can be placed with these marks up or down but both marks should be on the same side 2 For easier assembly rotate the generator outer ring to fully engage with the inner star The fully engaged side of the generator should point towards the designed input rotation CW or CCW as noted on the housing NOTE The designed input rotation is stamped on the back side of the housing and also next to the generator on the inside 3 Freely lubricate the generator with clean hydraulic fluid to provide lubrication at start up Th
33. pinion gear support bracket and check for wear on the rack or pinion gear Replace the parts as needed 7 2 STEERING UNIT ASSEMBLY 1 Reassemble the steering pinion support and shim for correct back lash 2 Insert the steering assembly through the lower dash support and add the flange bushings and snap rings to hold the unit in place 3 Rotate the steering shaft up and install the upper dash support with the steering shaft bearing 4 Reinstall the electrical components on the right side of the upper dash support 5 Install the dash assembly and secure to the tractor frame with the screws removed earlier 6 Secure the side panels to the dash assembly and reattach the wiring and indicating lights if used 7 Reattach the steering wheel and the steering column cone to the top of the dash assembly 7 3 TIE ROD ADJUSTMENT With the pinion gear in the center of the rack assembly the steering rod arm should be on the end of the rack shaft in the vertically down position 1 Steering Rod Arm 4 End Rod 2 End Rod 5 Right Hand Spindle 3 Tie Rod Figure 20 7 4 STEERING SERVICE KIT The front wheels should be toed in 1 8 of a inch in the front of the wheel compared to the rear of the front wheels measured at horizontal center line of rim flange Adjust tie rod and ball joints to hold this dimension With the front wheels pointed straight forward attach the tie rod from the top of the left front
34. point toward the axle housing 4 Reposition the axle housing with the output end pointing upward Protecting the lip of the axle seal from the retaining ring groove and keyway lubricate and install the seal with the lip pointing inward towards the axle housing 5 Using a piece of pipe or hydraulic tubing 1 5 inch 38 mm O D x 6 inch 150 mm long press the ball bearing over the axle shaft and into the axle housing 6 Again using a piece of pipe or hydraulic tubing 1 125 inch 29 mm O D x 6 inch 150 mm long press the ball bearing over the axle shaft and into the axle housing 7 Using a pair of No 5 or 7 internal retaining ring pliers install the ball bearing retaining ring in the axle housing 8 Lubricate and assemble the three planetary gears on the secondary carrier assembly 9 Aligning the splines install the secondary carrier assembly on the splined end of the axle shaft located in the housing assembly 10 Please note that one side of each ring gear has a bevel on one side This bevel side of the ring gear must be toward the output end of the axle shaft 11 Install one of the two ring gears into the axle housing Install by aligning the ears on the outside 8 36 of the ring gear with the notches in the housing assembly 12 Rotate the secondary carrier assembly planet gears to align with the ring gear teeth 13 When they are all in alignment the ring gear will fall into place 14 Shown her
35. the axle housing NOTE The retaining ring remaining on the axle shaft need not be removed Ring Gear Secondary Carrier d Planet Gears Second w Sun Gear Second Rotor Ball S A with Rubber Band Ball Retainer Ring Gear Backup Plate Ka First Primary Carrier oun id Planet Gears First Figure 32 Figure 31 NOTE This gasket may have remained on the axle housing 8 To disassemble the planetary assemblies for Normally any further disassembly of the brake levers inspection and cleaning first remove the ring gear push rods and etc is not necessary nor recommended from the secondary carrier planet gears The brake lever shims located between the two brake 9 Next putting a slight squeeze on the secondary levers are used to adjust the brake lever movement carrier planet gears remove the three secondary This adjustment was made during the initial transaxle planet gears and carrier assembly 10 Turn the assembly over to remove the secondary NOTE Standard single handle brake arrangement planet gears for inspection and cleaning shown 11 Remove the sun gear and remaining ring gear 12 Again putting a slight squeeze on the remaining carrier planet gears remove planet gears and carrier from the backup plate 13 Shown above are both the primary and secondary carrier assemblies The planet gears may be removed for inspection and cleaning 14 Next remove the reaction plate from th
36. the cotter pin and washer securing the brake pull rod to the return actuating arm Remove the brake pull rod from the return actuating arm Refer to Figure 46 WARNING Do not attempt any adjustments with the engine running Use extreme caution while inspecting all vehicle linkage Follow all safety procedures outlined in the vehicle Owner s Manual 4 Apply the vehicle brake start the engine and increase the throttle to full engine rpm 5 Check for axle rotation If the axles do not rotate go to step 6 If the axles rotate go to Step 7 6 Stop the vehicle engine Adjust the OEM linkage according to the OEM manual Recheck according to step 4 and 5 Stop the vehicle engine Replace the brake pull rod onto the return actuating arm Install the washer and a new cotter pin securing the brake pull rod to the actuating arm Refer to Figure 46 7 Note the axle directional movement Stop the vehicle s engine Loosen the adjusting puck screw until the puck can be rotated Rotate the adjusting puck the opposite direction of the wheel rotation on the control linkage side in 5 degree increments Tighten the adjusting puck screw Referto Table 1 Required Torque Values Recheck according to step 4 and 5 Stop the vehicle engine Adjust the OEM linkage according to the OEM manual Recheck according to Step 4 and 5 Stop the vehicle engine Replace the brake pull rod onto the return actuating arm Install the washer and a new cotter pi
37. to main housing 1 by installing the eleven housing screws 50 reference Table 1 Part Name Main Housing Capscrew Not Used Screws Lower Cover Gerotor Assembly O Ring Gerotor Cover Figure 61 Part Name Filter Charge Manifold O Ring Spring Ball Manifold O Ring Screw O Ring 9 24 PLANETARY DIFFERENTIAL ASSEMBLY Refer to Figure 57 NOTE Brake assembly and optional return to neutral have to be removed before the following steps can be performed Disassembly 1 Remove the axle hub assembly 118 on control side by removing nuts 119 and hub assemblies 118 2 Remove the eight torx head screws 80 that secure the R H housing assembly 2 3 Remove R H housing assembly 2 while holding axle shaft 76 in place Remove the two housing pins 117 Remove washer 71 from axle shaft 76 Remove spur gear 60 and thrust plate 62 Remove 21T sun gear 61 and sleeve bearing 96 N Oo P FS Part 1 Main Housing 2 Housing Assembly 58 Carrier Pin REF Part Name 59 Planetary Gears 70 Washer 60 67tSpur Gear 71 Washer 61 21tSun Gear 63 51tRing Gear 62 Planetary Thrust Plate 64 Planetary Carrier 63 51tRing Gear 65 Differential Miter Gear 8 Remove the planetary gears 59 9 Remove washer 70 and axle shaft 76 10 Remove the four carrier pins 58 from planetary carrier 64 11 Remove 5
38. to terminal 86 on solenoid 2 in the yellow red lead Battery voltage is supplied to the fuel shut off solenoid from terminal 86 on solenoid 2 STEP 4 With ignition switch in the start position battery voltage is transferred from terminal S2 to S1 Terminal S1 Transfers battery voltage to the one small terminal on the starter solenoid and goes to ground through the base of the starter solenoid PTO clutch check out Remove the wiring harness PTO clutch leads from the clutch With a multimeter check the clutch coil for resistance to see if the coil is good 3 0 3 9 If the resistance is 0 or higher the coil is bad Ignition switch check out Battery voltage check in the off position check for voltage at terminal B It should not be present on terminals A S1 S2 With the ignition switch in the run position check for battery voltage at terminal B A S2 It should not be present at terminal S1 With the ignition switch in the start position check for battery voltage at terminals B A S2 S1 PTO switch check out The PTO switch is a push pull switch with normal open and closed contacts Power transfer should be checked with a voltmeter The Switch contacts should be checked with an ohm meter with the wire harness plug removed The light switch is similar to the PTO switch with only one set of contacts Diode check out Diodes are checked with an ohm meter set on the diode check and should only pass voltage in one d
39. to the jackshaft housing and secure with hair pins 3 Connect the mower rear lift arms to the deck adjusters and secure with washer and cotter pins 4 Put the attachment lift lever in its lowest position Connect the height adjusters to the center lift lever and secure with washers and hair pins 5 Remove the supports from under the deck 6 Install the mower drive belt onto the electric clutch pulley Position the belt around idler 7 Attach spring from idler arm to jackshaft housing 6 4 ROTARY MOWER REMOVAL 1 Place 2 supports approximately 1 1 2 inches high the thickness of a 2 x 4 under the right and left sides of the mower deck 2 Lower the mower deck onto the supports This relieves all the mower decks weight from the tractors lift system 3 Disconnect the mower rear hangers by pulling the hair pins out of the rear lift arm pins 4 Slide the mower deck forward just enough to remove the front pin and front lift arms from the tractor front hooks 5 Unhook idler tension spring from frame 6 Remove the mower height adjusters from the tractor lift lever hooks 7 Remove the mower belt from the electric clutch 8 Turn the front tires all the way to the left opposite the mower discharge side 9 Remove the supports from underneath the mower deck 10 Remove the mower deck by sliding it out between the tractor s right front and rear tires 11 Rotary mower drive belt can be inspected and replaced if
40. wheel to the steering arm which should be positioned in the vertically down position This will give you the maximum steering rotation right and left 1 Steering Assembly 3 Hardware 2 Braces Figure 21 T0660 Installation 1 2 3 Remove hood from tractor Remove battery from tractor negative cable first Remove upper roll pin and steering wheel from steering column See Figure 22 OO E oh Lower Roll Pin Figure 22 8 Oe e Steering Wheel 6 Washer Upper Roll Pin 7 Flange Bearing Bolts Steering Column Cone 8 Flange Bearing Tube 9 Steering Column 170630 4 Remove steering column 5 Remove lower roll pin and tube Remove washer Side Panel 2 Side Panel Screws Figure 23 OT0160 7 Loosen 4 screws holding side panels to dash 2 each side See Figure 23 8 Remove 3 screws holding dash to frame 9 Disconnect throttle choke cable and electrical connections under dash 10 Remove dash 11 Remove 2 bolts from flange bearing and remove the bearing 12 Remove steering rod arm Mark rod arm to align splines during reinstallation 13 Remove snap rings on shaft ends and bushings 14 Loosen do not remove 4 nuts holding dash support base to frame 15 Remove and discard front 2 self tapping screws holding dash support to dash support base 16 Remove and discard old steering assembly 17 Redri
41. with Loads Front 900 408 2 Rear Light amp Medium 12 PSI 8 PSI 12 PSI 8 PSI Heavy Sno Thro 12 PSI 10 PSI 12 PSI 10 PSI Lift System Electric Electric 10 PSI 10 PSI 14 PSI 10 PSI Power Take Off Electric Electric Manual Model Number 934025 934026 934301 Description High Sierra 1848 High Sierra 1848H High Sierra 1848 Battery 12 Volt 290 CCA 12 Volt 220 CCA 12 Volt 290 CCA Hour Meter Optional 736008 Optional Optional 736008 Seat High Disc High Brakes Disc Gear Disc Steering Gear 26 66 0 Gear Turning Radius in cm 30 15x6 00 6 30 23x10 5 12 Tire Size Front 15x6 00 6 18 0 HP V Twin 15x6 00 6 Rear 23x10 50 12 23x10 50 12 Engine 18 HP V Twin Briggs amp Stratton 18 HP Manufacture Briggs amp Stratton 48 121 9 Briggs amp Stratton Width of Cut in cm Unleaded 3 11 3 Fuel and Capacity gal L Unleaded 3 11 3 1800 Max Unleaded 3 11 3 Idle RPM 2100 3250 100 1800 Governed RPM No Load 3250 56 1 65 3250 Yes Crank Case Capacity 56 oz Dual Element 56 oz Cil Filter Yes Air Cleaner Dual Element 9 AMP Regulated Dual Element Charging Capacity 16 AMP Regulated 60 Micron 2 1 2 GPA 16 Regulated Capacity Fuel Filter 120 Micron 5W30 Below 409F 120 Micron 2 1 2 GPA Capacity 30W Above 40 F 2 1 2 GPA Capacity Engine Oil 5W30 Below 40 F 030 Champion 5W30 Below 40 F 30W Above 40 F note
42. 1 Jackshaft Housing 2 Idler Arm Figure 17 WARNING Stop engine remove key and remove wires from both spark plugs before attempting to replace belts 1 Remove the mower deck idler tension spring from the spring anchor 2 Remove the mower deck drive belt from the jackshaft assembly 3 Remove the hardware holding the jackshaft assembly to the mower deck stamping Remove the assembly 4 Remove the nylock nut on the top of the spindle assembly and remove the double pulley assembly 5 Check the bearings and spindle shaft for wear and replace the damaged parts Bearings need to be removed with a bearing puller and replaced with a bearing driver in a press NOTE The bearings should have a light press fit to the bore of the pulley assembly too tight of a press fit will preload the bearing and cause premature bearing fail ure 6 Check idler arm pivot bushings for wear and movement Check the idler for run out and interferences 7 Reassemble the double pulley assembly with the bearing spacer tube inside the assembly 8 Place the double pulley assembly onto the spindle shaft and hold in place with a flat washer and nylock lock nut 6 3 ROTARY MOWER INSTALLATION 1 Turn the front wheels all the way to the left and slide mower under unit Place two supports approximately 1 1 2 high the thickness of a 2 x 4 under each side of the deck 2 Connect the mower front lift arms
43. 1T ring gear 63 from main housing 1 12 Remove the two miter gears 66 and differential shaft 67 13 Remove planetary carrier 64 and differential thrust plate 68 14 1 necessary remove the second axle shaft assembly 76 from main housing 1 15 Remove the seal from the shaft if necessary Inspection 1 Inspect all gears for excessive wear or damage and replace if necessary 2 Remove all sealant from both housings and inspect seal lands for damage when cleaning 3 If miter gear 65 needs replacement remove jam nut 73 from axle shaft 76 GENE NES 64 Planetary Carrier 66 Differential Miter Gear 65 Differential Miter Gear 73 HexJam Nut 66 Differential Miter Gear 76 Axle Shaft 67 Differential Shaft 80 Torx Head Screws 68 Differential Thrust Plate 96 BearingSleeve REF Part Name 117 Housing Pin 118 Axle Hub Assembly 119 Hex Nut Figure 62 Assembly 1 If necessary install L H axle shaft assembly 76 into main housing 1 If necessary reassemble axle shaft assembly 76 by installing washer 70 miter gear 65 and jam nut 73 onto axle shaft 76 2 Install differential thrust plate 68 into main housing 1 3 Install planetary carrier 64 into main housing 1 4 Reassemble the two miter gears 66 onto differential shaft 67 and install assembly into planetary carrier 64 5 Install 51T ring gear 63 into main housing 1 6 Install the four carrier pins 58 int
44. 2 repair or replace Excessive Fuel Consumption 1 20 22 23 25 29 31 32 33 repair or replace Excessive Crankcase Pressure 25 31 33 34 45 55 High Pressure 4 41 repair or replace Knocking 22 26 29 31 33 36 46 59 repair or replace Loss of Power or System 1 8 10 20 21 22 23 25 26 31 32 33 repair or replace Low Cranking Power 2 3 4 11 repair or replace Low Oil Pressure 4 36 37 39 repair or replace Misfiring 10 20 25 26 28 29 32 repair or replace Overheating 1 19 25 repair or replace Poor Compression 25 28 29 31 32 33 34 59 repair or replace Starts and Stops 1 6 10 62 repair or replace see electrical systems see engine service manual Vibration 20 23 25 26 29 33 45 49 repair or replace Will Not Crank 2 11 45 charge battery or replace Will Not Start 1 10 62 repair or replace See electrical systems see engine service manual TROUBLESHOOTING KEY 1 Restriction in air cleaner 22 Incorrect grade of fuel 43 Faulty suction pipe 2 Bad electrical connection 23 Sticking throttle restricted movement 44 Choked oil filter 3 Faulty starter motor 24 Exhaust pipe restriction 45 Bad solenoid switch 4 Incorrect grade of lubricating oil 25 Leaking cylinder head gasket 46 Incorrect piston height 5 Low cranking speed 26 Overheating 47 Damaged fan 6 Fuel tank empty 27 Cold running 48 Faulty engine mou
45. 25 7 Install brake arm 124 onto brake yoke assembly 8 Install washer 77 and castle nut 128 9 Insert a 0 015 feeler gage between brake disc 85 and top brake puck 120 Adjust the brake by turning castle nut 128 until itis snug but not tight against the feeler gage The brake gap must be adjusted to a 0 015 clearance 10 Install cotter pin 129 to secure castle nut 128 11 Install brake arm bias spring 141 to brake arm 124 and top brake arm bolt 12 Install brake pull rod 152 into brake arm 124 and actuating arm 35 13 Secure brake rod 152 to actuating arm 35 by installing washer 77 and cotter pin 129 14 Secure brake pull rod 152 to brake arm by installing washer 77 brake spring 134 washer 77 and lock nut 95 Set to the dimension shown in Figure 49 esce SOR Doc E 00 ASSEMBLY Figure 54 9 17 BYPASS ASSEMBLY Refer to Figure 50 Disassembly 1 Remove self tapping screw 138 and extension spring 136 2 Remove snap ring 42 and bypass arm 41 3 Remove bypass lip seal 40 Inspection 1 Inspect spring pin 137 for damage Assembly 1 If necessary install new spring pin 137 2 Install bypass lip seal 40 3 Install bypass arm 41 and snap ring 42 4 Install self tapping screw 138 and extension spring 136 Part Name Main Housing Lip Seal Bypass Arm Retaining Ring Spring Sprin
46. A Hour Meter Optional Optional Optional 736008 Brakes Dual Disc in Axle Dual Disc in Axle High Steering Manual Manual Disc Turning Radius in cm 27 67 27 67 Gear Tire Size Front 15x6 00 6 15x6 00 6 30 Rear 23x10 5 12 23x10 5 12 Engine 18 HP 18 HP 15x6 00 6 23x10 50 12 Manufacture Kohler Magnum Kohler Magnum 18 HP Width of Cut in cm Briggs amp Stratton Fuel and Capacity gal L Unleaded 3 7 14 Unleaded 3 7 14 Idle RPM 1200 1200 Unleaded 3 11 3 Governed RPM No Load 3250 3250 2100 Crank Case Capacity oz L 1 5 qts 1 4 1 5 qts 1 4 3250 Cil Filter Air Cleaner Dual Element Dual Element 56 oz Yes Charging Capacity Regulated 20 AMP Regulated 20 AMP Dual Element Flywheel Alt Flywheel Alt Fuel Filter 16 AMP Regulated Engine Oil SAE 30 Above 329F SAE 30 Above 32 F 120 Micron SAE 10W30 Below 32 F SAE 10W30 Below 32 F 2 1 2 GPA Capacity Spark Plug Gap 020 020 5W30 Below 40 F RV15YS RV15YS 30W Above 40 F Speed Forward Max mph kph 6 0 9 7 6 0 9 7 030 Champion Reverse Max 2 5 4 0 2 5 4 0 RN 4C Transmission Lube SAE 20W2 SAE 20W20 0 0 5 5 0 8 8 0 2 75 0 4 4 Drive Clutch Neutralizing Hydro Neutralizing Hydro 20W20 Oil Transmission Transmission Axle Capacity 900 900 Belt Clutched Allowable Added Weight lbs kg 575 575 325 Ft Lb Rear Axle Maximum Load Ibs kg 900 900 500 266 7 Tire Pressure
47. CENTER SECTION PUMP ASSEMBLY Refer to Figures 58 and 59 NOTE Brake assembly input assembly charge pump assembly and lower housing filter manifold assembly have to be removed before the following steps can be performed Disassembly 1 Remove washer 82 snap ring 83 washer 82 16T pinion gear 28 spacer 27 and shaft 28 2 Remove motor thrust bearing retainer 57 3 Remove motor thrust bearing 25 and 21cc motor cylinder block assembly 21 4 Remove each piston 23 spring 18 and piston seat 22 from the 21cc motor cylinder block assembly 5 Remove bypass plate 38 from center section assembly 3 6 Remove the three screws 44 from center section assembly 3 7 Lift center section assembly 3 out of main housing 1 8 Remove the two center section assembly pins 43 9 Remove bypass actuator 39 from the center section 3 10 Remove 10cc pump cylinder block assembly 15 11 Remove each piston 17 spring 18 piston seat 16 from the 10cc pump cylinder block assembly 21 12 Remove block spring 14 and block thrust washer 13 from shaft 12 Figure 59 Inspection 1 Inspect running surface of thrust bearing 25 for excessive wear grooving or smearing 2 Inspect each piston 23 spring 18 and piston seat 22 in the motor cylinder block assembly 3 Inspect seal lands of the 21cc motor cylinder block assembly 21 for excessive wear grooving or smearing
48. ERING amp CONTROLS 7 1 STEERING UNIT REMOVAL 1 Open and remove the hood from the unit 2 Remove the battery by first removing the negative battery cable and then the positive battery cable Release the battery hold down strap and remove the battery 3 Remove the indicator lights from the dash remove the wiring plugs from all the switches and hour meter if installed 4 Remove the steering wheel and steering column cone from the top of the dash assembly Remove the knob from the throttle control and remove the throttle control from the dash support Remove the screws that hold the side panels to the dash support 5 Remove the remaining screws around the base of the dash assembly from the tractor frame and lift the dash assembly off the tractor 6 Remove the upper dash support and steering shaft bearing 7 Remove the electrical components from the right side of the top dash support and remove the upper dash support from the tractor 1 Steering Column Cone 5 Steering Rod 2 Steering Gear Bracket Arm 3 Steering Pinion Gear 6 Drag Link 4 Steering Gear 7 Bushing Figure 19 8 Remove the steering rod arm from the left side of the tractor Remove the two snap rings from the ends of the shaft and rack assembly 9 Remove the flange bushings from the side of the lower dash support and move the steering gear assembly to the left and rotate out of the right side of the dash support 10 Disassemble the
49. FLUID The transaxle is filled and tested at the factory and should not require fluid when the unit is put into service Inspect the transaxle for leaks or damage to the housing If leakage is observed do not operate until the leak is fixed Check the oil level and fill to the correct level if needed The oil should be to the top of the elbow in the back of the frame of the tractor It may be checked by removing the transmission filler plug with the engine running Typically an API 20W20 engine oil is used 8 3 TRANSMISSION FILTER IMPORTANT Be very careful to prevent dirt and foreign materials from entering reservoir or oil filter when changing oil and filter Be sure breather is not clogged Wipe clean with a rag and solvent To change transmission oil filter position tractor on a flat level surface CAUTION Before changing filter place speed selector in Park Start turn ignition OFF remove key and set parking brake Place a container under filter to catch oil spillage as filter is removed Use an oil filter removal tool to unscrew filter Discard old filter 1 Eaton Hydro Transaxle 2 Oil Reservoir To saturate element fill new filter with fresh clean same type oil used in transmission NOTE Some oil may spill out of filter as it is rotated from vertical to horizontal position as you are installing it Keep container in place to catch spilled oil Lubricate gasket with oil and spin filter on threaded a
50. ICAL Initial check out Make sure that all switches are in their proper position for starting A PTO off B transaxle in neutral position C operator on the seat D the parking brake pedal pushed E cruise control in the off position If power is not available to start the engine use the following steps STEP 1 Check out the battery Using a hydrometer on all the battery cells to see if one or more is bad Also use a voltmeter to check for proper voltage Replace the battery if necessary and or charge to proper level STEP 2 Use a voltmeter to make sure you have battery voltage to terminal B on the back side of the ignition switch in the off position If you don t have battery voltage to terminal B check the battery connection and the fuse in the red lead STEP 3 With the ignition switch in the run position check to see if power is being transferred from terminal B to terminal A Terminal A on the ignition switch supplies battery voltage to the back of the PTO switch on the purple lead and on to the brake switches on the brown yellow lead to terminal S2 on the ignition switch Check Points for DC Voltage Readings and to terminal 86 on solenoid 2 also supplies battery voltage to terminal 30 and 86 on solenoid 1 and on to the hour meter When the operator is in the seat battery voltage will transfer from terminal 30 to terminal 87 and on to the front terminal of the PTO switch and on
51. Remove belt guard hardware and guard from housing Release tension on flat idler and remove mule drive from V and flat idler on push frame and double pulley on auger impeller housing Pull spring loaded idler away from drive belt remove belt from large lower pulley and top double pulley 13 5 OIL AND GREASE LOCATIONS Double Idlers 5 Clevis Pin 6 Mounting Bracket Mule Drive Belt Spring Idler Arm 7 Carriage Frame RON Figure 72 0710610 CAUTION DO NOT touch Sno Thro drive parts which are hot from operation Allow such parts to cool before servicing unit 1 Remove belt guard hardware and guard from housing 2 Release tension on flat idler and remove belt from V and flat idler on push frame 3 Remove lower mounting rod and stabilizer strap from pivot support to free mule drive belt from double idler 4 Remove belt from drive spindle pulley and housing double pulley Replace mule drive belt in reverse order be sure belt seats properly in housing pulley IMPORTANT Wipe each fitting clean before and after lubrication 13 73 0710580 1 Chute Spool Grease 4 Gear Case L 2 Gear 2 Discharge Chute Base Lubricant Cil 5 Carriage Frame 3 Auger Shaft Grease 6 Shear Bolts Grease Figure 73 NOTE Use Ariens Multi Purpose Grease Part Num ber 000150 or good grade of general purpose grease at zerk fittings and oil
52. Rich idle 1 6 14 repair or replace idles with Needle Closed 14 repair or replace Hunts Erratic Idle 2 3 6 7 12 13 14 15 18 repair or replace Idles Fast Lean 2 3 7 repair or replace Will Not Accelerate 1 6 11 12 14 15 16 repair or replace Over Rich Acceleration 1 15 Hesitates 2 6 11 12 16 repair or replace Will Not Run at High Speed 1 11 12 14 16 repair or replace Low Power 1 3 11 14 15 16 17 18 repair or replace Hunts at High Speed 3 6 7 12 14 15 16 18 repair or replace Runs With Needle Closed 14 repair or replace Engine Overspeeds 2 3 7 14 repair or replace TROUBLESHOOTING KEY JO Plugged Air Filter Leaky Carburetor Gasket Throttle or Choke Shaft Worn Choke Not Functioning Properly Plugged Atmospheric Vent Air Bleed Restricted Damaged or Leaky O Rings Damaged Diaphragm Stuck or Dirty Ball Check 10 Diaphragm Upside Down 11 Plugged Tank or Vent 12 Fuel Pick up Restricted 13 Port Restricted 14 Damaged Adjustment Needle and Seat 15 Incorrect Float Height 16 Main Nozzle Restricted 17 Dirty Stuck Needle and Seat 18 Fuel Inlet Plugged 11 57 11 2 FUEL PUMP The impulse style fuel pump is the most commonly used fuel pump Impulse fuel pumps may either be mounted externally onto the carburetor fuel inlet or remotely mounted Thes
53. Spring 3 Mower Belt 6 Mower dier Pulley Figure 9 4 12 MOWER LEVEL SIDE SIDE NOTE A wood block about 1 square by 5 long may be used under pan for blade measurement Wrap block with masking tape Mark tape with cutting edge of blade and measure distance from end of block to mark s This method avoids errors by having to read measurements under deck 4 14 1 Height Adjuster 2 Adjusting Tab 3 Carriage Bolt 4 Nylon Lock Nut Figure 10 0 0370 6 4 5 1 Cutting Tip 4 Ground Level 2 Mower Deck 5 Cutting Height 3 Blade 6 Discharge Chute Figure 11 With tractor positioned on a flat level surface and tire pressure properly set perform the following procedures 1 With blade s positioned side to side measure distance of blade s tips to floor at right and left side of mower deck Rotate blade s 180 degrees and check again The measurement should be equal within 1 8 side to side 2 To correct for difference in height of blade tips from side to side loosen nut on height adjuster Turn height adjuster clockwise on low side of mower deck to raise low side one half the difference in height Turn height adjuster counterclockwise on high side to lower high side the other half of the height difference 3 Front Blade Height 4 Rear Blade Height 1 Blade Cutting Edges 2
54. amp Piece of Pipe or Hydraulic Tubing 1 1 8 in 29 mm O D x 6 in 150 mm long Small Arbor or Hydraulic Press 4 Large Rubber Bands Light Petroleum Jelly such as Vaseline Seal all open ports before cleaning Thoroughly clean the transaxle exterior TRANSAXLE WITH CHARGE PUMP After draining the transaxle use your hand or a filter wrench to remove the filter from the filter base NOTE It is best to drain the transaxle through the case drain port with the input shaft in the down position 1 Using a 3 8 inch socket or end wrench remove the cap screws from filter base 2 Remove gasket NOTE This gasket may be on the part just removed or on the housing assembly 8 7 AXLE HOUSING DISASSEMBLY 1 With the transaxle secure use a 3 8 inch socket or end wrench to remove the flange screws from one A side or B side axle housing assembly 2 After removing the flange screws carefully remove the axle housing assembly from the housing assembly CAUTION Retain the planetary assemblies in the axle housing assembly during removal Hex Flange Screw U Filter Base Gasket Figure 28 3 Position transaxle with this gasket surface toward the bench Place a clean towel between the transaxle and the bench This towel protects the sealing surface from possible damage during repositioning 4 Usea 6 inch 150 mm to 8 inch 200 mm C clamp to secure the transaxle to a suitable work
55. amp rod assembly incorrectly installed 4 Incorrect grade of lubricating oil 25 Bad transmission pump 46 Shifting keys broken or damaged 5 Low cranking speed 26 Overheating 47 Shifting washer in backwards 6 Controls not in correct operation 27 Cold running 48 Shifter Brake shaft keyways damaged position 7 Belts are missing to tight loose or 28 Bad transmission motor 49 Unit clutch not disengaging glazed 8 Overload of vehicle 29 Check system pressure 50 Shifter stop assembled backwards 9 Replacement parts damaged 30 Shift rod grooves worn 51 Improper fit of case to cover 10 Replacement parts improperly 31 Reverse chain broken 52 Dowel pins not installed installed 11 Improperly torqued attaching 32 Damaged cooling fan 53 Differential bevel gears broken Screws 12 Air in hydraulic system 33 Inspect auxiliary relief valve 54 Spring in shifter weak or broken 13 Broken shifter stop 34 Inspect cooling fan 55 Worn or stripped gear teeth 14 Inspect charge check valves 35 Inspect transmission cooling fins 56 15 Inspect acceleration valves 36 Worn or damaged bearings 57 16 Check oil level gear box sump or 37 Metallic pieces or foreign objects in 58 reservoir unit 17 Inspect heat exchanger 38 Inspect for loosely mounted 59 components 18 Inspect by pass valve 39 Steering column loose or binding 60 19 Inspect charge pressure 40 Pressure relief valve sticking open 61 20 Inspect inlet filter 41 Pressure relief sticking closed 62 8 2 CHECKING THE TRANSMISSION
56. ance adjustments or service except where specifically recommended shut off engine Allow hot parts to cool Keep unit free of dirt stones and other debris Clean up oil or fuel spills Storage DO NOT store unit inside a building with fuel in the fuel tank where any ignition sources are present Allow unit to cool completely ALWAYS clean unit before extended storage See Engine Manual for proper storage Spark Arrester This product is equipped with an internal combustion engine DO NOT use on or near any unimproved forest covered or brush covered land unless the exhaust system is equipped with a spark arrester meeting applicable local state or federal laws A spark arrester if used must be maintained in effective working order by the operator Battery Avoid Electric Shock DO NOT reverse battery connections Explosive Gases Poisonous battery fluid contains sulfuric acid and its contact with skin eyes or clothing can cause severe burns No flames No sparks No smoking near battery Always wear safety glasses and protective gear near battery DO NOT TIP battery beyond a 45 angle in any direction ALWAYS KEEP BATTERIES OUT OF REACH of children 2 6 Transport Use extra care when loading or unloading unit onto trailer or truck Secure unit chassis to transport vehicle NEVER secure from rods or linkages that could be damaged DO NOT transport with attachment in raised position Lower attachment w
57. are simple circuits and easiest to trouble shoot in most equipment They consist of the lights connected in parallel a normally open switch protective fuse and a source of power battery or engine alternator If only one light is out check the connector then check the bulb for continuity high resistance indicates a defective or burned out bulb If all the lights are out check the fuse for continuity high resistance indicates a defective or blown fuse If the fuse is blown check for a short in the wiring and correct before replacing the fuse If the fuse and lamps are good check the circuit with an AC DC voltmeter 12 7 FUSES Fuses are connected in electrical circuits to protect the circuits from damage due to overload or short circuits Fuses are a weak link in the circuit They contain a metal link designed to melt when a certain current value is exceeded thus opening or disconnecting the wiring Once a fuse blows or melts it must be discarded and replaced with a new fuse of the same value Since the function of the fuse is to protect the circuit NEVER attempt to defect the protective device by bridging or replacing with a device of a higher current rating 12 64 Electrical testing of these devices is simple Since the device either conducts current and is therefore functioning or the device is open and is therefore defective Use an ohmmeter to check for continuity 12 8 DIODES AND RECTIFIERS Diodes a
58. at lubrications points Sno Thro should be lubricated at beginning of season and every 25 operating hours Refer to illustration for grease and oiling points 13 6 SCRAPER BLADE IMPORTANT If scraper blade wears too far auger impeller housing may be damaged To adjust scraper blade raise and block Sno Thro securely With runners adjusted to their full position loosen lock nuts retaining scraper blade reposition it down flush with runners and tighten lock nuts 13 13 7 RUNNERS CAUTION Adjust auger impeller housing height to provide clearance over gravel or crushed rock surfaces to avoid throwing these objects Runners should be adjusted as conditions require Raising or lowering runners controls distance scraper blade is held above surface to be cleared When operating unit on gravel surface lower runners so that housing will not pick up gravel On concrete blacktopped or packed snow surfaces raise runners so that scraper blade scrapes clean To reduce tendency of housing to ride up over heavy wet or hardpacked snow remove runners and install in their narrow edge down position To adjust runners place unit on a flat level surface and insert a spacer under center of scraper blade that will provide desired clearance loosen runner hardware raise or lower runners to surface unit is resting upon and tighten hardware NOTE Uneven rear tire pressure or runner adjustment will result in uneven clearing
59. ates a number of functions although not all functions are used on all equipment The switch has three positions OFF RUN and a momentary contact START position Use an ohmmeter to check the continuity of the switch in each position OFF Position Should be continuity between contacts G and M These connections ground the engine magneto and stop the engine in the OFF position RUN Position Should be continuity between contacts B and A These connections supply power to the rest of 12 63 the wiring harness Connections and M open to each other START Position Hold switch in START position while testing There should be continuity between contacts S1 and S2 These connections apply power to close the solenoid contacts and operate the starter motor In addition to the above test place the switch in the run position and check between each contact and ground metal case to be sure no terminals are grounded If the switch is operating properly there will be no continuity between contacts other that those described 12 5 SOLENOID AND RELAYS Solenoid and relays are both magnetically operated devices Both devices operate on the principle that passing a current of electricity through a coil of wire will create a magnetic field strong enough to attract a piece of iron or steel Each device uses this principle in a slightly different manner Relay A basic relay consists of a coil of wire wound around a soft iron magnetic c
60. bell crank and secure with a clevis pin 8 Secure the chute crank support to the right side of the tractor frame with capscrews and lock nuts 13 72 13 3 SHEAR BOLT REPLACEMENT WARNING Stop engine lower attachment remove key and wait for moving parts to stop before leaving operators position and attempting to maintain or inspect auger Occasionally an object may enter auger impeller housing and jam auger breaking shear bolts which secure auger to shaft This allows auger to turn freely on shaft preventing damage to gear drive IMPORTANT Use only Ariens shear bolts for replacement Use of any other type of shear bolt may result in severe damage to unit To replace shear bolt slide auger outward against roll pin and align hole in shaft with hole in auger holes in shaft for roll pins and shear bolts line up Drive shear bolt through hole if shear bolt was broken this will drive remaining part from shaft and secure with nut 13 4 MULE DRIVE BELTS idlers over low mounting pin around bottom groove in drive spindle pulley and around two idlers on idler bracket flat idler rides against back of V groove and V groove idler against front Power Take Off PTO Belt Release tension on push frame idlers and remove mule drive belt from drive spindle pulley Remove PTO belt from PTO and drive spindle pulley Replace PTO belt in reverse order and adjust accordingly Auger Impeller Drive Belt
61. contain a regulator to prevent overcharging the battery Servicing of rectifiers built into the engine should be done by an approved engine manufacturer s service center Such a service center has access to the information and parts required to test and repair or replace engine components including rectifiers and regulators Units that contain both a rectifier and regulator are tested in a working circuit to make sure the regulator portion of the device is operating 12 9 ELECTRIC CLUTCH The electric clutch is used to turn on and off the attachment used on the unit by use of a switch The clutch is also designed so that a brake is applied to the output shaft when the clutch is disengaged off The field coil is mounted to a bearing support and does not rotate The rotor is attached to the power output shaft and rotates around the field assembly The armature is attached to the output pulley The armature assembly is held close to the rotor by the brake assembly The clutch is engaged by applying current to the coil connection This results in a current flowing through the coil magnetizing the coil pulling the armature onto the rotor with sufficient force to hold the two pieces together effectively connecting the output and the input shafts together Pulling the armature against the rotor pulls it away from the brake releasing the brake Engine Electrical Components Engine servicing and repair should be referred to local engin
62. dapter to gasket contact Hand tighten additional 1 2 to 3 4 turn DO NOT overtighten 8 4 FILLING THE TRANSMISSION The following is suggested for the filling sequences for new or repaired transmissions to assure proper operating performance Locate the unit on a flat level surface to limit the chance of the unit rolling while performing the following procedures Fill reservoir to proper level with fresh oil Start engine and remove transmission filler cap Run engine and add fresh clean oil to bring oil level to top of filler elbow Replace and tighten filter cap 8 5 TRANSMISSION REMOVAL NOTE Remove rear deck with seat NOTE Remove transaxle and jackshaft belt NOTE For ease of access to drive components remove front or center mounted attachment per instructions in Attachment Section NOTE Disconnect brake from transaxle 3 Dump Valve Rod 4 Transaxle Sheave Figure 26 0150 1 Remove screw and center lock nut from dump valve arm Remove arm from dump valve 2 Disconnect extension spring from cam 3 Remove cap screw lock washer washer and woodruff key securing control arm to transaxle Carefully remove control arm from transaxle and neutral arm 4 Disconnect hoses from transaxle drain oil cap fittings and hoses to keep dirt and foreign material from entering system 5 Remove cap screw lock washer and washer securing fan and transaxle pulley to transaxle Remove fan and pull
63. duct located in a certain region This is a limited distribution to only those who received the product involved Campaigns Notification of a safety related issue All products must be updated and are tracked by the factory until all units are corrected 1 7 PREPARATION Before starting any removal of parts proper preparation is very important for efficient work A clean work area at the start of each job will allow you to perform service repairs easily and quickly 1 3 To reduce the incidence of misplaced tools or parts place removed components with all attaching hardware in the disassembly order on a clean work surface Organization is a key part of proper reassembly Tools instruments and parts needed for the job should be gathered before work is started Interrupting a job to locate tools or parts is a needless delay SECTION 2 SAFETY 2 1 SAFETY ALERTS Look for these symbols to point out important safety precautions They mean Attention Personal Safety Is Involved Become Alert Obey The Message 2 2 SIGNAL WORDS The safety alert symbol is used in decals on the unit and with proper operation procedures in this manual They alert you to the existence and relative degree of hazards Understand the safety message It contains important information about personal safety on or near the unit DANGER IMMINENTLY HAZARDOUS SITUATION If not avoided WILL RESULT in death or serious injury
64. e are the first and second sun gears for 23 1 Gear ratios 15 Install the sun gear second into the secondary Planetary assembly 16 Lubricate and assemble the three planetary gears on the primary carrier assembly 17 Aligning the splines install the primary carrier assembly on the sun gear second 18 Install the next ring gear into the axle housing Install by again aligning the ears on the outside of the ring gear with notches in the housing assembly Sun Gear First Primary Carrier First Sun Gear Second Planet Gears Second Secondary Carrier Axle Housing S A Axle Shaft Figure 45 NOTE Rotate the primary carrier assembly and the ring gear will fall into position 19 Install the primary sun gear first into the primary planetary assembly La lt gt Motor Rotor Motor Rotor 16 1 Ratio 23 1 Ratio 18 Sun Gear First 15T Sun Gear First 18 Sun Gear Second 15T Sun Gear Second Output Shaft Output Shaft xL Figure 46 20 Lubricate and install the backup plate in the axle housing assembly Install by aligning the ears with the notches in the axle housing 21 Aligning the splines install the reaction plate on the primary sun gear friction material must be toward backup plate 22 Aligning the screw holes and notches install the axle housing gasket on the axle housing assembly 23 Reposition and clamp the housing assembly to the
65. e charge pump plate has a small arrow cast into the outer face of the plate At assembly this arrow must face toward the input rotation designated in the housing NOTE All applications are clockwise rotation CW NOTE High pressure charge pump generator and plate is a matched set and is not sold separately Class Il generator and plate are not a matched set 6 Aligning the rotation arrow with the input rotation install the pump plate over the generator 7 Install the four cap screws in the pump plate finger tight 8 The bottom side of the pump rotor assembly incorporates five drive pins At assembly these pins must be engaged with the inner star of the charge pump generator 9 Lubricate and install the pump rotor assembly on the pump journal engaging the drive pins with the inner star of the generator 10 Rotate the pump rotor assembly several times to center the pump plate on the generator 11 While continuing to rotate the pump rotor assembly alternately tighten the charge pump plate cap screws to 49 16 6 Nm 12 Remove the rubber band from the pump rotor assembly Install the cam ring assembly in the housing with the flush side of the cam ring facing outward 13 Install the cam ring insert on the control shaft pivot dowel 14 Install the control shaft assembly first aligning the cam ring insert with the cam ring assembly and then with the housing Gasket Pump Rotor Ball S A wit
66. e manufactures service centers that have the service information and parts available to properly service the engine Ariens dealers should be able to test engines and engine components to pinpoint troubles and narrow them down to properly advise the engine serviceman 12 10 CHECKING THE PTO CLUTCH Measure Clutch Coil Resistance 1 Turn engine and PTO switch off 2 Disconnect clutch wire connections 3 Select meter to check ohms Figure 69 4 Connect meter leads wires in clutch connector 5 f meter reads below 2 50 ohms or above 3 50 ohms then the clutch has failed and needs to be replaced 6 If meter reads between 2 50 to 3 50 ohms proceed to Measure Clutch Current Draw Measure Clutch Current Draw 1 Turn engine off 2 Disconnect clutch wire connections Remove 30 amp fuse 3 Select meter to check amps 10 amp scale 12 65 4 Place meter leads into fuse holder 5 Siton the seat to make seat switch connections 6 Turn the ignition switch to RUN and the PTO switch to ON 7 If the meter reads below 4 5 amps the problem is in the electrical system leading to the clutch Battery relay switch wiring If you find after measuring clutch coil resistance and clutch current draw that 1 The resistance falls between 2 50 and 3 50 ohms 2 The amp draw is 4 50 or above 3 The electric clutch is within factory specifications and is not the source of the problem 12 11 HIGH SIERRA ELECTR
67. e primary sun gear 15 Remove the primary sun gear from the motor rotor assembly 16 Remove the small friction brake pad assembly from its recessed pocket located in the axle housing NOTE Shown in previous drawing are the three major parts used in the Eaton transaxle wet brake assembly Please Note Location of the Axle Housing Mounting Surface must be Assembled in the Same Orientation Axle Housing 5 and Planetary Assemblies Hex Flange Screws B Figure 33 8 30 8 8 MOTOR ROTOR DISASSEMBLY IMPORTANT Be extremely careful when removing the motor rotor assembly The ball pistons are spring loaded in the bores and must remain intact because each ball piston is matched to its respective bore 1 The best way to remove the motor rotor assembly is to place a separate motor race on top of the existing motor race in the housing assembly 2 Hold the separate race securely in position 3 Then carefully pull the motor rotor assembly outward until the ball pistons are fully engaged in the grove located in the center of the separate race 4 Carefully remove the rotor assembly and race together as a set handling the motor rotor assembly only NOTE If a separate motor race is not available work a wide rubber band around the outside of the motor rotor to hold the ball pistons in their bores It is essential that the ball pistons be retained in their bores during handling This is especially true
68. e pumps are connected in the fuel line between the fuel supply and the carburetor or directly to the fuel inlet Impulse fuel pumps are operated by crankcase impulses created by the up and down movement of the piston A hose called a pulse line connects the fuel pump diaphragm chamber and transmits the impulses to the pump diaphragm The impulses actuate the diaphragm and the flap valves to lift the fuel from the fuel tank to the carburetor 11 3 FUEL SYSTEM CONTAMINATION Any time fuel contamination is found in the fuel system dirt water algae etc replace the fuel fuel filter and flush the fuel lines Remove the carburetor bowl and clean Replace all items that cannot be cleaned Reassemble the fuel system and check for proper operation 11 4 FUEL TANK The fuel tank is made of composite material for long life without breaking down from the additive used in today s blended fuels 11 58 SECTION 12 ELECTRICAL 12 1 TOOLS There are some specialized tools and test equipment that are needed for electrical repair work A brief description of these follows Long or needle nose pliers used to connect or bend wires and connectors in close quarters Diagonal cutters used to cut wires or trim connec tions Wire stripper crimping tool available separately or as a combination tool Used to strip insulation from wires of various sizes crimp terminals and connector or wires Soldering gun or soldering iron used to sold
69. ealer 3 Install blade and lock washer Tighten nut until lock washer is fully compressed requires 50 60 ft Ibs of torque on nuts 4 15 CHECK TIRES NOTE Keep tires properly inflated at all times For proper tire inflation when working under various condi tions refer to chart below Use a low pressure tire gauge for accurate pressure readings Loading Light amp Medium Heavy Sno Thro Front 10 psi 14 psi Back 10 psi Check tire pressure at least once a month Over inflation may cause operator discomfort and excessive tire tracks on lawns or soft surfaces Under inflation causes short tire life NOTE After checking and or inflating replace and tighten valve caps to prevent air loss SECTION 5 ENGINE 5 1 ENGINE TROUBLESHOOTING The following troubleshooting chart is to be used to isolate engine problems and give possible causes and corrective action responses The troubleshooting key is generic and can be used for several types of engines Use only those possible causes and corrective actions that apply to the unit TROUBLE POSSIBLE CAUSES Refer to Key Below CORRECTIVE ACTION Black Exhaust 1 20 22 25 29 31 32 33 repair or replace Blue White Exhaust 4 20 25 31 33 34 repair or replace Difficult Starting 1 5 7 8 9 10 20 21 22 29 31 32 33 repair or replace Erratic Running 1 7 8 9 10 20 21 23 26 29 33 59 6
70. ed 9 Close the oil drain valve 10 If used remove the oil filter 11 Clean the oil filter port and install a new oil filter according to the instructions on the oil filter Fill with new oil to the full mark on the dipstick 12 Start and run the engine for one minute Stop the engine and recheck the oil level and add as necessary 13 Check for leakage at the drain plug and oil filter if used Tighten the fittings as necessary if leakage occurs Figure 15 14 Release the parking brake 15 Return the unit into service 5 4 CHECKING ENGINE COOLING IMPORTANT To prevent severe damage to the engine proper cooling will need to be maintained 1 Check the air intake screen on the engine each day 2 The air intake screen must be kept clean Remove any grass dirt or debris that may have accumulated 3 Check the engine cooling yearly 5 5 CLEANING THE AIR CLEANER 1 Check the air cleaner element every day 2 Clean the air cleaner precleaner every 25 hours See your engine manual for instructions 3 Apply oil and reinstall over the paper air filter element 4 Wipe out the air cleaner cover to remove any dirt build up in the cover 5 Reinstall the cover over the air cleaner prior to operating the engine See your Engine Manual 5 6 CHANGING THE AIR CLEANER ELEMENT Replace the air cleaner element when clogged or every 100 hours Do not attempt to clean See your Engine Manual for instructions
71. ee increments Tighten the adjusting puck screw Refer to Required Torque Values Recheck according to Step 3 and 4 Stop the vehicle engine Adjust the OEM linkage according to the OEM manual Recheck according to Step 3 and 4 Refer to Figure 47 RETURN ADJUSTING PUCK Figure 52 9 13 PURGING PROCEDURES Due to the effects air has on efficiency in hydrostatic drive applications it is critical that it be purged from the System These purge procedures should be implemented any time a hydrostatic system has been opened to facilitate maintenance or any additional oil has been added to the system Air creates inefficiency because its compression and expansion rate is higher than that of the oil normally approved for use in hydrostatic drive systems The resulting symptoms in hydrostatic systems may be 1 Noisy operation 2 Lack of power or drive after short term operation 3 Hlgh operation temperature and excessive expansion of oil in the latter case oil may overflow Before starting make sure the transaxle transmission is at the proper oil level If itis not fill to the manufacturers suggestions outlined in the vehicle owners manual The following procedures should be performed with the vehicle drive wheels off the ground then repeated under normal operating conditions 1 With the bypass valve open and the engine running slowly move the directional control in both
72. efore installing the engine 2 Place the throttle and choke controls fuel line and electrical wires out of the way prior to installing the engine 3 Once the engine is bolted onto the frame install the exhaust system and then tighten the mounting hardware 4 Install the engine sheave and belts electrical wiring throttle and choke controls 5 Install the negative battery cable onto the battery 6 Install the fuel line 7 Fill engine with 30W above 32 F 09 or 5W30 below 32 09C 8 Install the engine cover then test operation and function of the engine WARNING AVOID EXHAUST FUMES DO NOT run engine in an enclosed area ALWAYS provide good ventilation and wait until hazard has been removed 9 Check the fluid levels as follows Start the engine and allow it to heat to operating temperature DO NOT operate engine for more than two minutes b Shut the engine off wait for engine to cool and be sure the engine oil level is between the full and add marks on the dipstick If itis below the ad mark add recommended oil DO NOT overfill SECTION 6 MOWER DECK 6 1 MOWER SPINDLE REMOVAL Spindle Repair With the mower deck removed from the unit the When the spindle housing has been removed from the disassembly of the mower may be completed mower deck the spindle shaft and bearings may be 1 Remove the right and left side mower spindle removed from the housing cover Use a press to remo
73. el tank drain and discard Fill fuel tank with fresh new fuel 2 9 SAFETY RULES Walk Around Inspection Complete a walk around inspection of unit and work area to understand Work area Your unit All safety decals Work Area ALWAYS check overhead and side clearances carefully before operation ALWAYS be aware of traffic when operating along streets or curbs ALWAYS keep hands and feet within the limits of the unit Keep children people and animals away Keep children out of work area and under watchful care of a responsible adult Keep area of operation clear of all toys pets and debris Objects can cause vehicle instability and injury Check for weak spots on dock ramps or floors Avoid uneven work areas and rough terrain Stay alert for hidden hazards DO NOT run engine in an enclosed area Always provide good ventilation Unit ALWAYS keep protective structures guards and panels in good condition in place and securely fastened NEVER modify or remove safety devices Check Safety Interlock System for proper operation daily see Operation section Do not operate unless system operates properly Operation Understand How to operate all controls The functions of all controls How to STOP in an Emergency Speedranges Do not operate any of the control levers or power take off unless both feet are resting on the platform DO NOT travel at too fast a rate DO NOT change engine governor set
74. er all splices and connections to terminals connector etc A soldering gun is faster and more convenient that wait ing for a soldering iron to heat Multimeter analog or digital to measure voltage amperage and ohms Tachometer used to measure engine speed Required to properly test alternator and charging cir cuits where output is dependent upon engine speed Heat gun used to shrink insulated tubing in place Used to replace electrical tape or insulated sleeving To use place a piece of shrink tubing over a wire joint heat with the heat gun until it shrinks slightly around the joint Supplies electrical tape rosin core solder never use acid or acid core solder on electrical joints an assort ment of various size terminals connectors insulated or heat shrink tubing for use on joints and connections and an assortment of automotive type wire in several colors Ariens Company recommends that all work be done in a professional manner The use of the tubing to cover joints and the soldering of connections contribute to a professional looking job In addition to a pleasing appearance repairs made in this manner are more likely to withstand vibration The weakest points in an electrical system are the joints where wires are attached Replace all defective components with Ariens replace ment parts only Engine parts such as rectifiers or alternator components should be secured through the nearest engine service cente
75. ety Switches on speed selector and clutch levers may be out of adjustment and not activating IMPORTANT When checking switches remove them from their respective circuit by disconnecting the wires from the switch at the connector s Damage could result to the meter or machine components if switches are left in Normally Open Switch To test a normally open switch key headlight safety or seat connect the ohmmeter across the switch terminals Meter should indicate open circuit infinite resistance Activate the switch The ohmmeter should read up scale to zero resistance Close Circuit This indicates the switch is operating properly Also check from each terminal to the switch case if case is metal reading should show infinite resistance indicating no short to ground Variation from test results described indicates a defective switch Normally Closed Switch To test a normally closed switch connect the ohmmeter across the switch terminals Meter should indicate a closed circuit zero resistance Activate the switch and the meter should move to open circuit infinite resistance Check from each terminal to ground switch case Meter should show open circuit infinite resistance Variation from test results described indicates a defective switch Ignition Switch NOTE Refer to the wiring diagram of the unit involved to determine switch functions and test using the meth ods described The ignition switch incorpor
76. ey from transaxle CAUTION When raising tractor block securely under running boards with jackstands CAUTION Use sturdy gloves or padding to protect hands when working with axles 6 Raise and block rear of tractor with tires off floor 7 Disconnect wiring from neutral switch To prevent damage to transaxle support transaxle with floor jack 8 Remove four cap screws and lock washers securing transaxle to transaxle mount Remove nuts lock washers and cap screws securing transaxle mounting bracket to tractor frame Remove transaxle from tractor NOTE Clean outside surfaces of transaxle thoroughly and place on a clean working surface before proceed ing to disassemble it 8 6 TRANSAXLE SERIES EATON 851 The following repair information applies to the Eaton 851 series hydrostatic transaxles md AUS Part Number Date of Assembly and Input Rotation Stamped on this Surface Assembly Date of Number Input Rotation Build Code SCH or p d Customer N Part Number XXX XXX XXXXXX Factory if Required XXXXXX 11 Rebuild Code Original Build Factory Rebuild example 010191 example 01 01 91 11 01 01 9 ot Ot 91 11 T P em Year Number of Year Times y Da Rebuilt 2 Month Y Month Figure 27 The transaxle identification information is located opposite the input shaft on the back of the housing assembly
77. f the front panel 2 Remove the two hex screws from the lift lever access plate and remove the plate 3 Unscrew the knob from the parking brake lever 4 Lift the front panel off the unit by lifting it up and out of slots in frame clearing the lift lever 5 Remove wing nut from the battery rod and remove the rod 6 Disconnect the negative cable first 7 Disconnect the positive cable second 8 Lift the battery out of the unit and place battery on a bench or other well ventilated area where an acid spill will not create damage 9 When service is finished reinstall battery into unit and connect positive cable first then negative cable 10 Reinstall front panel making sure tabs fit securely into slots in frame Secure with hardware 11 Reinstall the lift lever access plate and the knob on the parking brake lever Inspection Cleaning Drying and Maintenance Inspect the top of battery terminals cables terminal posts and case for any accumulation of dirt corrosion cracks or loose or broken parts Keep battery and its terminals clean Inspect monthly to maintain best performance Replace battery if damaged Remove hold down and bolt and lift battery out Clean or service battery away from unit Remove corrosion from battery terminals and cable connections with wire brush then wash with a weak baking soda solution Scrub the exterior of the battery and cable terminals with a nonmetallic brush wh
78. for the motor rotor s as the motor ball pistons are spring loaded in the bores NOTE The remaining transaxle axle housing assem bly if applicable can be serviced at this time 5 Reposition the housing assembly Using a 3 8 inch Socket or end wrench remove the self tap screws from the cover assembly Retaining Ring Control Shaft Seal Input Shaft S A 7 Ee Input Shaft Seal Screw 13 Cover Gasket Button 2 Figure 34 NOTE One self tap screw is located in the case drain port 6 With all self tap screws removed 13 carefully separate and remove the cover from the housing assembly 7 Turn the cover assembly over and remove the two buttons 8 These two buttons may have dropped out into the housing assembly during removal of the cover Turn the cover assembly back over and using a No 5 or 7 internal retaining ring pliers remove the input shaft retaining ring 9 Reposition and support the cover allowing room for shaft removal With the input shaft in the down position use a plastic head hammer or press to remove the input shaft assembly from the cover No further disassembly of the shaft and bearing assembly is required as they are serviced as an assembly 10 Using a screwdriver or similar tool drive the input shaft seal from the cover 11 To remove the control shaft seal reposition the cover Using a small screwdriver or similar tool pry the co
79. forward and reverse directions 5 to 6 times as air is purged from the unit the oil level will drop and bubbles may appear in the oil After stopping the engine add oil as necessary Fill to the level outlined in Figure 45 2 With the bypass valve closed and the engine running slowly move the directional control in both forward and reverse directions 5 to 6 times Check the oil level and add oil as required after stopping engine 3 It may be necessary to repeat Steps 1 and 2 until all the air is completely purged from the system When the transaxle moves forward and reverse purging is complete CAUTION DO NOT OVERFILL If you overfill the transaxle while the unit is cold it may overflow as it reaches normal operating temperatures The oil level should not be above the level shown in Figure 45 This will allow the space needed for the oil to expand as it warms up Part Name Right Hand Housing Assembly Washer Brake Disk Lock Nut Brake Puck Brake Yoke Assembly Square Head Bolt Brake Arm Brake Pin Lock Washer 9 14 BRAKE DISASSEMBLY amp ASSEMBLY Refer to Figures 48 and 49 Part Name Nut Castle Nut Cotter Pin Spacer Puck Plate Brake Spring Washer Brake Arm Bias Spring Anti Drag Compression Spring Brake Pull Rod Figure 53 Disassembly The following procedure is for model 324 3000 Reference microfiche for other models 1 Remove lock nut 95 washer 77 brake spri
80. g Pin 138 Screw Figure 55 9 18 CONTROL ARM ASSEMBLY Refer to Figure 51 Disassembly Neutral Assembly NOTE The brake pull rod 152 washer 77 and cot ter pin 129 must be removed before disassembling the Neutral Assembly refer to Brake Assembly 1 Remove bolt 88 and adjusting puck 48 9 45 2 Remove neutral spring 46 actuating arm 35 Assembly Control Arm Assembly 1 Install trunnion arm lip seal 33 into main housing 1 Remove upper lock nut 95 washer 77 spring 1 93 spacer 94 washer 77 and friction 2 Install stud 36 per Table 1 and friction puck 37 97 3 Install control arm 26 onto trunnion arm 31 and 2 Remove lower lock nut 95 and trunnion spacer stud 36 with washer 77 and nut 95 per 106 from the trunnion arm 31 Table 1 3 Remove control arm 26 NOTE If bearing 89 must be replaced install bearing 4 Remove friction puck 37 and stud 36 if 89 washer 90 and countersink screw 92 necessary 4 Install friction puck 37 washer 77 spring 93 Inspection spacer 94 washer 77 and lock nut 95 tighten locknut to 120 Ibs then back off 1 full turn 1 Inspect bearing 89 and replace if necessary Remove bearing by removing countersink screw Neutral Assembly 92 and washer 90 1 Install washer 87 return arm 34 actuating arm 2 Inspect trunnion arm lip seal 33 and replace if 85 and neutral sp
81. gh the meter and to measure cur rent an ammeter must be connected into the circuit The latter rule means that the circuit must be opened and the ammeter wired into it Because this procedure is usually difficult an ammeter is seldom used for trou bleshooting Resistance Measurement An ohmmeter is used to make resistance measure ments and to check continuity through wires and elec trical components There is one rule to keep in mind when using an ohm meter The ohmmeter has a self contained battery and requires no electrical power Using the ohmmeter on a circuit that has power applied may result in damage to the meter IMPORTANT Disconnect the equipment battery when making Ohmmeter test or damage to the Ohmmeter may result IMPORTANT An ohmmeter reads the resistance of whatever component is connected between the test leads It can be used to check wires coils light bulbs or any item that conducts current 12 3 BATTERY When charging battery remove it from unit first Keep batteries out of reach of children ALWAYS follow information provided on battery by battery manufacturer Lead acid batteries generate explosive gases Severe chemical burns can result from improper handling of battery electrolyte Wear safety glasses and proper protective gear when handling batteries to prevent electrolyte from coming in contact with eyes skin or clothing WARNING ELECTRIC SHOCK may result in injury and or damage to unit
82. h Rubber Band Retainer Control Shaft and insert Cam Ring S A Spring Ball Dump Valve T Fitting Nut and O ring Figure 40 TRANSAXLE WITH CHARGE PUMP Drop the charge pressure relief valve ball in its bore 8 34 15 Install the charge pressure relief valve spring in its bore 16 Install the drive in the pump rotor assembly 17 Install the cover gasket on the housing assembly 8 13 COVER REASSEMBLY Retaining Ring Control Shaft Seal c Input Shaft S A e Input Shaft Seal Self Screw 13 Gasket Figure 41 Figure 42 Seif Tap Screw 13 1 Lubricate and install the control shaft oil seal with the seal lip pointing inward Press or drive the seal into the seal counterbore 2 Lubricate and install the input shaft seal with the Seal lip pointing inward Press or drive the seal into the counterbore 3 Press or drive the input shaft assembly into the cover 4 Install the input shaft assembly retaining ring making sure it is firmly seated in the retaining ring groove 5 To help retain the buttons during assembly apply a small amount of petroleum jelly to them Install the buttons in the holes located in the cover assembly 6 Install the cover assembly by carefully aligning it with the control shaft cam ring pivot dowel and pump rotor drive After engaging the control shaft and pivot dowel in the cover assembly carefully
83. hen unit is parked or stored unless a positive mechanical lock is used Attachments and Accessories Use only attachments or accessories designed for your unit 2 10 CLEAN UNIT Brush grass dirt and debris off of unit with a soft brush Clean packed grass out from under mower deck Apply paint or oil to exposed bare metal surfaces to prevent rust Inspect unit for visible signs of wear breakage or damage Order any parts required and make necessary repairs to avoid delays when beginning use again IMPORTANT Never spray unit with water or store unit outdoors Water can seep into sealed bearings which are sealed against dirt and debris only causing reduced component life Clean seat regularly using a vinyl cleaner not solvent Extreme temperatures can damage seat when left unprotected against weather If seat should tear apply vinyl repair tape to protect damaged area Transaxle cooling fins must be kept clean to prevent damage from overheating Use a cloth or brush to remove grass chaff and debris Unless there are indications of leakage transaxle does not have to be checked for proper oil level If leak occurs have it repaired by your Ariens Dealer SECTION 3 SPECIFICATIONS Model Number 934026 934027 30W Above 40 F Description High Sierra 1848H High Sierra 2248H Battery 12 Volt 220 CCA 12 Volt 220 CCA Hour Meter Optional Optional Brakes Disc D
84. hould be removed from the top of the battery The battery must be recharged monthly or when the cell specific gravity reads less than 1 255 specific gravity Before reinstalling the battery in the spring it should always be fully recharged 12 4 SWITCHES Switches either open a circuit to stop current flow or close and allow current to flow through A normally open N O switch prevents current flow until the switch is actuated completing the circuit and allowing current to flow through it An example is a light Switch the lights are off until the switch is actuated and the lights go on A normally closed N C switch allows current to flow until the switch is actuated breaking the circuit and stopping current flow through it An example is an ignition switch that grounds the magneto when in the off position completing the circuit but opens the circuit when in the ON position allowing the engine to operate Switches are selected with regard to Current rating contacts must be of sufficient size to carry the required current Voltage rating switches insulated for specific voltages Case or housing switches that are exposed to moisture and must be sealed to prevent moisture from entering and Actuating type push pull rotary momentary contact or micro switches NOTE Check that the connections to the switches are secure and that a switch is being activated properly before performing electrical test on switches Saf
85. hub and retain with the wheel lug nuts 4 Lowerthe vehicle wheels to the ground and torque the nut retaining the hub to 290 to 295 ft Ibs 393 to 400 Nm using an air impact wrench 5 Tighten the wheel lug nuts 9 28 ASSEMBLY AFTER A COMPLETE TEAR DOWN If the unit has been torn down completely the following summary identifies the assembly procedures necessary to completely assemble the unit in order they must be completed Each assembly procedure is located by a page reference The part reference numbers provided in each assembly procedure are keyed to the individual exploded views and are also keyed to the complete unit exploded view Figure 61 1 Assemble the directional control assembly 2 Assemble the motor center section pump assembly Assemble the planetary differential assembly Assemble the lower housing filter manifold assembly Assemble the charge pump assembly Assemble the input shaft assembly Assemble the fan and pulley assembly Assemble the torque bracket assembly 9 Assemble the control arm assembly 10 Assemble the bypass assembly 11 Assemble the brake assembly ABC THICK RACE MUST BE TOWARDS PISTON SS TORQUE To 155 185 IN LBS TORQUE TO 35 50 10 185 TORQUE 42 62 MAR 13i 1 NN 4 J gt A S Pd Si 493 L 180 dy TORQUE TO 580 520 INCIBS 3 PL
86. ich has been dipped into a mixture of baking soda and water After cleaning apply a thin coat of grease or petroleum jelly to terminals and cable ends to retard corrosion Reinstall battery Check the alternator voltage regulator output if used at every periodic maintenance inspection Over charging is a common cause of battery failure Electrolyte Level Every 25 hours of operation check electrolyte level of each cell by removing caps one at a time The electrolyte level should be at level indicated Use distilled water to fill each cell if needed Install and tighten each cap after checking IMPORTANT When distilled water is added to battery during freezing weather battery must be charged to mix water with electrolyte or water will remain at top and freeze Charging ALWAYS follow information provided on battery by battery manufacturer Contact battery manufacturer for extensive instructions to charge battery Place unit on a level surface shut off engine and open battery compartment to gain access to battery Disconnect negative cable first then positive cable To charge battery 1 Loosen strap and remove battery from unit 2 Place battery on bench or other well ventilated place where electrolyte spill will not create damage 12 61 3 Remove caps and fill each cell to level indicated with electrolyte at 1 230 specific gravity and 80 F 279C 4 Let battery stand for one half hour 5 Check e
87. irection If it passes voltage in both directions or not at all the diode is bad and needs to be replaced Key Switch Off Run Start B 11 50 13 00 11 50 13 00 11 50 13 00 A 11 50 13 00 11 50 13 00 5 1 11 50 13 00 5 2 11 50 13 00 11 50 13 00 Contact resistance is 0 1 0 3 ohms when correct 12 66 Seat Switch Off Run Start Pink 11 50 13 00 11 50 13 00 Black Connected to Ground Normally open contacts manually activated contact resistance is 0 1 0 3 ohms when correct PTO Switch Off Run Start Yellow Red 2 11 50 13 00 11 50 13 00 Purple white 2 Connected to PTO Clutch Purple 11 50 13 00 11 50 13 00 Brown Yellow 11 50 13 00 11 50 13 00 2 sets of contacts one normally open one normally closed Contact resistance is 0 1 0 3 ohms when correct Normally open contacts big terminals coil resistance 3 0 5 0 ohms Contact resistance is 0 1 0 3 ohms when correct Electrically activated PTO Clutch Off Run Start Purple white Black Connected To Ground Coil Resistance check clutch specifications 12 67 12 12 CONTINUITY DIAGRAMS Models 934026 934027 The diagrams below show the various states of connection for electrical components The solid lines on switches show continuity NOTE All switches are viewed from the rear Key Switch Seat Switch 03602300 03654200 1 2
88. isc Steering Gear Gear Turning Radius in cm 26 66 0 26 66 0 Tire Size Front 15x6 00 6 15x6 00 6 Rear 23x10 5 12 23x10 5 12 Engine 18 0 HP V Twin 22 0 HP V Twin Manufacture Briggs amp Stratton Briggs amp Stratton Width of Cut in cm 48 121 9 48 121 9 Fuel and Capacity gal L Unleaded 3 11 3 Unleaded 3 11 3 Idle RPM 1800 Max 1800 Max Governed RPM No Load 3250 100 3200 150 Crank Case Capacity oz L 56 1 65 64 1 89 Oil Filter Yes Yes Air Cleaner Dual Element Dual Element Charging Capacity 9 AMP Regulated 16 AMP Regulated Fuel Filter 60 Micron 2 1 2 GPA Capacity 60 Micron 2 1 2GPA Capacity Engine Oil 5W30 Below 40 F 5W30 Below 40 F 30W Above 40 F Spark Plug Gap 030 Champion 030 Champion RC12YC RC12YC Speed Forward Max mph kph 0 5 9 0 9 5 Reverse Max 0 2 9 0 4 7 Transmission Lube 20W50 Oil 20W50 Oil Drive Clutch Belt Clutched Belt Clutched Axle Capacity 260 Ft Lb 260 Ft Lb Allowable Added Weight lbs kg 500 227 500 227 Rear Axle Maximum Load Ibs kg 700 317 8 700 317 8 Tire Pressure with Loads Front Rear Light amp Medium 10 PSI 10 PSI 10 PSI 10 PSI Heavy Sno Thro 14 PSI 10 PSI 14 PSI 10 PSI Lift System Manual Manual Power Take Off Electric Electric Model Number 934019 934020 934023 Description HT 6 HP Gas HT 18 HP Gas High Sierra 1848 Battery 290 CCA 290 CCA 12 Volt 290 CC
89. kely to be damaged through rough handling except for overloaded Protected Meters or by measuring high values that exceed the range set on the meter than a digital meter They provide excellent service for the money as long as they are used with care Digital Meters Digital Meters do not have a movement and are there fore more rugged The reading shows up directly on a display window of some type Since they read direct no skill in reading the scale is required nor is it neces sary to set the range The meter switches the ranges automatically One has only to select the function DC Volts AC Ampere Ohms connect the test leads and the reading is shown on the display Because of the internal circuitry and the lack of a movement these meters are not likely to be damaged by overloads In the discussions that follow either type of meter may be used Test procedures are the same It is best to learn proper procedures even though some meters may be more forgiving of mistakes Where differences in use may occur they will be covered in the discus sion 12 59 Voltage Measurement There are two basic rules to be remembered when using a voltmeter A voltmeter measures the voltage difference between the test leads and the voltmeter is always connected across the circuit under test Current Measurement The two rules to remember when measuring current with an ammeter are an ammeter measures the cur rent that flows throu
90. l blade right the control rod to turn the blade to the desired position 3 Release the control rod to set the latch pin in the desired position Attachment Lift Lever For plowing lower the blade to the float position by moving the attachment lift lever forward until the blade meets the ground For transport raise the blade by pulling back on the attachment lift lever until the blade locks into the transport position Skid shoes should be adjusted as conditions require Raising or lowering skid shoes controls clearance between working surface and blade When moving snow on smooth surfaces such as concrete or asphalt skid shoes may be raised When operating on rough terrain skid shoes should be lowered to prevent blade from striking rigid objects To adjust skid shoes loosen nuts and lock washers Raise or lower as needed making sure to adjust both shoes evenly NOTE Uneven rear tire pressure or runner adjustment will result in uneven clearing Scraper Blade Scraper blade is reversible for double life If edge becomes excessively worn from continued use remove mounting hardware and reverse blade 14 76 14 2 LUBRICATION Once year grease the two lube fittings located where the attachment lift lever passes through the carriage frame Clean fittings before attaching grease gun Use Stens Mix Hi Temp Grease or equivalent Order P N 00036800 Three pack of 3 oz cartridges or P N 00036700 10 pack of 14 o
91. lectrolyte level and add more if necessary 6 Connect positive lead of charger to positive terminal and negative lead to negative terminal 7 Charge the battery at two and a half amps for ten hours or until all cells are gassing freely and the specific gravity is constant over three 30 minute intervals Specific Gravity Check The specific gravity should be checked with a hydrometer NOTE The specific gravity should be checked in each cell and should be the same for all cells A variation in a cell reading could be an indication of a problem Sub tract 004 from 1 265 for each 10 F below 80 F 27 or add 004 to 1 265 for each 10 F above 80 F 27 A special temperature compensated hydrometer is used to read the battery s state of charge The reading on the hydrometer gauge should be above 1 225 If the reading falls below 1 225 specific gravity there will be an insufficient charge ALWAYS charge the battery until the specific gravity of 1 265 is reached over 3 successive readings Check monthly to ensure charge is maintained The approximate state of charge can be determined by the cell specific gravity of the rested open circuit voltage at room temperature and the charging time can be estimated For example OCV Specific of Charging Gravity Charge Time 12 60 1 265 10096 12 4 1 225 75 3 hours 12 20 1 180 5095 7 hours 12 00 1 130 25 10 hours 11 80 1 100 095 12 h
92. ley 104 Fan 107 Screw 115 Jam Nut Figure 58 9 24 INPUT SHAFT ASSEMBLY Refer to Figure 54 Disassembly 1 Drain the oil from the transaxle 2 Remove snap ring 7 input shaft tip seal 5 and spacer 4 3 Remove input shaft assembly 12 8 6 4 Remove washer 13 from cavity Inspection 1 Inspect bearing 8 for damage and if necessary replace bearing remove wire retaining ring 6 and bearing 8 from input shaft 12 Assembly 1 Carefully install washer 13 onto top of spring in cavity 2 Press bearing 8 onto input shaft 12 and secure by installing wire retaining ring 6 3 Install input shaft assembly 12 spacer 4 and lip seal 5 into input bearing bore of main housing 1 4 Secure input shaft assembly 12 by installing retaining ring 7 Main Housing Spacer Lip Seal Wire Retaining Ring Snap Ring Ball Bearing Input Shaft Block Thrust Washer Om PA 1 1 Figure 59 9 22 CHARGE PUMP ASSEMBLY Refer to Figure 55 Disassembly NOTE Before disassembling note the orientation of the charge pump cover 54 Scribe or mark the charge pump cover 54 for correct orientation during assem bly 1 Remove two screws 29 from the charge pump cover 54 and remove charge pump cover 54 2 Remove O ring 53 and gerotor assembly 52 Inspection 1 Inspect gerotor assembly 52 cavity of charge pump cover 54 plate on
93. ll 2 holes in top front of existing dash support base and cross brace to 11 32 diameter 18 Insert new steering assembly into dash support base 19 Install existing brace and new top braces with new hardware supplied 20 Tighten nuts holding dash support base to frame 21 Reinstall snap rings on ends of shaft and bushings 22 Reinstall steering rod arm Use marks to align splines 23 Reinstall flange bearing and secure with 2 bolts 24 Reinstall dash 1 Redrill Holes 3 Steering Rod Arm 2 Existing Brace Figure 24 ITO640 1 New Top Braces 2 New Brace Hardware 5 Dash Support 6 Dash Support Base 3 Existing Brace 7 Frame 8 4 Steering Assembly Figure 25 Snap Rings Rod Ends 170650 25 Reconnect throttle choke cable and electrical connections under dash 26 Reinstall 3 screws holding dash to frame 27 Slide side panels into place and tighten screws 28 Reinstall washer 29 Reinstall tube with lower roll pin 30 Reinstall steering column cone 31 Reinstall steering wheel and upper roll pin 32 Reinstall battery Connect positive terminal first 33 Reinstall hood 7 25 SECTION 8 TRANSAXLE EATON 851 8 1 TRANSMISSION TROUBLESHOOTING The following troubleshooting chart is to be used to isolate hydro transmission problems and give possible causes and corrective action responses unit The troubleshooting key is generic and can be used for several t
94. low mark on the dipstick See the engine manual for oil specifications and oil filter service instructions To check oil level 1 Move the unit to level location 2 Clean around the dipstick and filler tube to prevent dirt from entering the engine 3 Remove the dipstick and wipe off the oil on the depth stick 4 Put the disposed back into the engine and tighten the place and remove again 5 When the dipstick is removed note the oil level Oil should be between the full and add mark 6 Replace dipstick 7 If required 5W30 below 40 or 30W above 409 Do not overfill 8 Clean up any spillage that may have occurred 5 3 CHANGING OIL WARNING Do NOT touch parts which are hot Allow parts to cool before servicing Engine muffler and other parts will be hot if unit has been running 1 Engine oil should be changed after the first five hours of operation and every 25 hours there after 2 Move the unit to a level and well ventilated area and set the parking brake 3 If the engine is cold let the unit run for five minutes Figure 14 4 When the engine is warm stop the engine 5 Clean the area around the dipstick and drain hose 6 Put an open container that will hold one gallon of oil under the drain hose 7 Open the drain valve 8 Allow the engine oil to drain completely into the one gallon container Remove container and contents for future recycling as requir
95. med in reverse order 8 17 SHIFT LINKAGE Before connecting the shift linkage to the transaxle of movement Resistance is needed to maintain set travel speeds check parts for wear and replace as needed Lubricate all the bushings Check the hydraulic damper for case 1 Control Arm 2 Shift Link 3 Shift Rod 4 Hydraulic Damper Figure 48 PTO161 SECTION 9 TRANSAXLE HYDROGEAR 319 3000 9 1 HYDRO TRANSMISSION TROUBLESHOOTING The following troubleshooting chart is to be used to The troubleshooting key is generic and can be used for isolate hydro transmission problems and give possible several types of transmissions Use only those causes and corrective action responses possible causes and corrective actions that apply to the unit TROUBLE POSSIBLE CAUSES CORRECTIVE ACTION Refer to Key Below Axles Will Not Turn 1 7 8 12 16 18 28 32 38 42 46 repair or replace Difficult Starting 1 6 7 8 12 16 25 26 28 38 42 46 repair or replace Erratic Running 1 4 6 7 8 12 18 25 26 28 42 46 55 repair or replace Jerky When Starting 1 4 7 8 12 18 28 38 46 Jumps Out of Gear N A repair or replace Knocking 4 8 12 18 28 37 42 repair or replace Loss of Power or System 4 12 18 28 37 42 46 Noisy 4 12 18 26 28 32 37 42 repair or replace Oil Leakage 4 22 51 16 repair or replace Operates Hot 4 16 28 32 35 42
96. mp start unit directly to the starter or starter solenoid Unit can move forward or backward and injure the person jump starting unit WARNING FROZEN BATTERIES CAN 12 62 To jump start the battery 1 Ensure battery is not frozen If the fluid is frozen remove battery from unit and allow to thaw before charging 2 Connect the positive jumper cable to the positive terminal of the discharged battery 3 Connect the other end of the same jumper cable to the positive terminal of the booster battery 4 Connect one end of the second jumper cable to the negative terminal of the booster battery 5 Make the final jumper cable connection to the engine block or the furthest ground point away from the discharged battery WARNING Make sure cables are clear of any moving engine parts before starting engine 6 Start engine refer to Owner s Manual If engine will not start after several tries unit or battery may need service 7 After engine starts leave cables connected for one to two minutes 8 Disconnect cables in reverse order 9 Operate unit as normal to charge battery Storage The battery is a perishable item and it should be stored properly to obtain a long useful life Batteries not in use will self discharge If the battery will not be used for more than three months it should be removed and stored in a cool dry place Any collection of dirt grease or electrolyte s
97. mplete stop before reversing Never jerk the control levers Always use a steady even action to achieve smooth control Always be aware of obstructions that may cause injury to operator or damage to the unit Service Position WARNING ALWAYS block wheels and know that jack stands or blocks used are stable strong or secure and will hold the weight of the unit during maintenance WARNING ROTATING PARTS can amputate body parts Keep hands and feet away Loose clothing long hair or scarves can get caught in rotating parts and cause death or serious injury Place unit on flat level surface ALWAYS stop engine and disengage clutches Assure unit is secure and will not tip over Strap and clamp onto lift if used To ensure the unit is positioned in the proper service position 1 Place jack stands under rear transaxles only 2 If jacks are not available place support blocks under both transaxles at the rear of unit CAUTION Remove enough fuel so that no A spills will occur Maintenance ALWAYS maintain unit in safe operating condition Damaged or worn out muffler can cause fire or explosion Check the conditions of the unit at the end of each day and repair any damage or defects ALWAYS block wheels and know all jack stands are strong and secure and will hold weight of unit during maintenance Keep nuts and bolts tight and keep equipment in safe operating conditions Before mainten
98. n securing the brake pull rod to the actuating arm Refer to Figure 46 BRAKE PULL CONTROL ARM RETURN ACTUATING ARM COTTER PIN AND WASHER HIDDEN Figure 51 9 12 RETURN TO NEUTRAL SETTING FOOT CONTROL The return to neutral mechanism on the transmission is designed to set the directional control into a neutral position when the operator removes their foot from the foot control Follow the procedures below to properly adjust the return to neutral mechanism on the transaxle 1 Confirm the transaxle is in the operating mode bypass disengaged Raise the vehicle s drive tires off the ground to allow free rotation NOTE It may be necessary to remove the drive tire from the axle hub to access the linkage control and the transaxle control arm 2 Remove the Original Equipment Manufacturer s OEM s control linkage at the control arm Refer to Figure 47 3 Start the engine and increase the throttle to full engine rpm 4 Check for axle rotation If the axles do not rotate go to Step 5 If the axles rotate go to Step 6 5 Stop the vehicle s engine Adjust the OEM linkage according to the OEM manual Recheck according to Step 3 and 4 Stop the vehicle engine Refer to Figure 47 6 Note the axle directional movement Stop the vehicle engine Loosen the adjusting puck screw until the puck can be rotated Rotate the adjusting puck the opposite direction of the wheel rotation on the control linkage side in 5 degr
99. ne Oil Level 4 12 4 6 Adjustments 4 12 4 7 Parking Brake Spring 4 13 gt eren 4 13 4 9 Neutral 4 13 4 10 Traction Drive Belt 4 14 4 11 Mower Drive 4 14 4 12 Mower Level Side To Side 4 14 4 13 Mower Pitch And Height 4 15 4 14 Sharpen Blades 4 15 4 15 Check 4 16 Section 5 5 17 5 1 Engine Troubleshooting 5 17 5 2 Checking Engine 5 18 5 3 Changing 5 18 5 4 Checking Engine Cooling 5 18 5 5 Cleaning Air Cleaner 5 18 5 6 Changing The Air Cleaner Element 5 19 5 7 Inspect Muffler Spark Arrester 5 19 5 8 Replace Spark Plugs 5 19 5 9 Engine 5 19 5 10 Engine Installation 5 19 Section 6 Mower 6 20 6 1 Mower Spindle Removal 6 20 6 2 Jackshaft Removal and Repair 6 21 6 3 Rotary Mower Installation 6 21 6 4 Rotary Mower Removal 6 22 6 5 Rotary Mower Belt Replacement 6 22 Section 7 Steering amp Controls 7 23 7 1 Steering Unit Removal 7 23 7 2 Steering Unit Assembly
100. ng 134 and washer 77 from brake pull rod 152 Remove cotter pin 129 and washer 77 from brake pull rod 152 Remove brake pull rod 152 and set aside Remove the cotter pin 129 castle nut 128 and washer 77 Remove brake arm 124 and brake arm bias spring 141 6 Remove brake anti drag compression spring 151 and two brake pins 125 7 Remove upper nut 127 lock washer 126 washer 139 and spacer 130 which secure brake yoke assembly 122 8 Remove lower nut 127 and lock washer 126 securing brake yoke assembly 122 9 Remove brake yoke assembly 122 puck plate 131 and outer brake puck 120 10 Remove brake disc 85 and inner brake puck 120 9 15 INSPECTION 1 Inspect the brake pucks 120 for excessive wear 2 Replace with new if necessary 9 16 ASSEMBLY 1 Install inner brake puck 120 and brake disc 85 2 Assemble the brake yoke assembly by installing puck plate 131 outer brake puck 120 into brake yoke 122 3 Install the brake yoke assembly onto two mounting studs on housing assembly 2 Use of a feeler gage 0 015 may be helpful in retaining the brake yoke assembly at this step 4 Install at upper bolt spacer 130 washer 139 lock washer 126 and nut 127 5 Install at lower bolt lock washer 126 and nut 127 to secure the brake yoke assembly 6 Install brake anti drag compression spring 151 and two brake pins 1
101. ng Bearing Retainer Washer Retaining Ring O ring 9 26 DIRECTIONAL CONTROL ASSEMBLY Refer to Figure 60 NOTE The motor center section oump assembly must be disassembled before this procedure can be com pleted Disassembly 1 Remove swashplate assembly 10 Disassemble swashplate assembly by removing thrust bearing 11 from swashplate 10 The thick race of thrust bearing must face pistons 2 Remove slot guide 30 Inspection 1 Visually inspect in place the two cradle bearings 9 which are staked in upper housing Do not remove the cradle bearings 9 from housing 1 2 Assemble swashplate assembly 10 by installing thrust bearing 11 into swashplate 10 NOTE Assemble thrust bearing with thick race facing pistons 3 Install swashplate assembly 10 into main housing 1 The swashplate 10 will couple with slot guide 30 NOTE When installing swashplate assembly 10 use flat head screwdriver to hold slot guide 30 in place Part Name Main Housing Cradle Bearing Variable Swashplate Thrust Bearing Slot Guide Figure 65 9 27 TRANSAXLE INSTALLATION Use the following procedure to complete installation of the transaxle on the vehicle 1 Install and secure the transaxle on the vehicle according to instructions in the vehicle owner s manual 2 Install the hub assembly 118 Figure 57 on the shaft Install hex nut 119 3 With the vehicle raised install the wheel on the
102. nting Controls in correct operation 28 Incorrect tappet adjustment 49 Incorrectly aligned flywheel and or position flywheel housing 8 Blocked fuel feed line 29 Sticking valves 50 Faulty thermostat 9 Faulty fuel lift pump 30 Incorrect high pressure pipes 51 Restriction in water jacket 10 Choked fuel filter 31 Worn cylinder bores 52 Loose fan belt 11 Battery capacity low 32 Pitted valves and seats 53 Choked radiator 12 Airin fuel system 33 Broken worn or sticking piston ring s 54 Faulty water pump 13 Faulty fuel injection pump 34 Worn valve stems and guides 55 Choked breather pipe 14 Faulty fuel injectors or incorrect 35 Restriction in air cleaner 56 Damaged valve stem oil deflector if type fitted 15 Incorrect use of cold start 36 Worn or damaged bearings 57 Coolant level too low equipment 16 Faulty cold start equipment 37 Insufficient oil in sump 58 Blocked sump strainer 17 Broken fuel injection pump drive 38 Bad defective oil temperature switch 59 Broken valve spring 18 Incorrect fuel pump timing 39 Oil pump worn 60 Exhaust or vacuum pipe leak 19 Incorrect valve timing 40 Pressure relief valve sticking open 61 Bad or defective water temperature Switch 20 Poor compression 41 Pressure relief valve sticking closed 62 Bad spark plug s 21 Blocked fuel tank vent 42 Broken relief valve spring 5 17 5 2 CHECKING ENGINE OIL Check the engine oil daily prior to use IMPORTANT Never operate the engine with the oil below the
103. nto the rod ends and secure with the external retaining rings 1 Lift Lever 4 Center Lift Bracket 2 Lift Link 5 Gas Compression 3 Detent Lever Spring Figure 67 BE 10 2 LIFT SYSTEM REMOVAL With the mower attachment removed from the tractor the lift handle should be left in the up position 1 Remove the cotter pins on the mower lift link 2 Remove the left side center lift bracket support Support the lift assembly and remove the left bracket Remove the spring assembly from the unit 3 For removal of the upper lift lever and handle the rear deck of the tractor will need to be removed 4 Move the fuel tank forward to allow access to the mounting hardware 5 Remove the plastic handle covering on the lift handle 10 56 SECTION 11 FUEL SYSTEM 11 1 FUEL SYSTEM TROUBLESHOOTING The troubleshooting key is generic and can be used for several types of transmissions Use only those possible causes and corrective actions that apply to the The following troubleshooting chart is to be used to unit isolate fuel system problems and give possible causes are corrective action responses TROUBLE Hard Starting POSSIBLE CAUSES Refer to Key Below 1 3 4 6 11 12 14 16 17 18 CORRECTIVE ACTION clean repair or replace Fuel Leak at Carburetor 5 7 17 repair or replace Engine Floods 5 15 17 repair or replace Will not idle 1 2 3 6 repair or replace
104. ntrol shaft seal from the cover 12 Remove the cover gasket from the housing NOTE The gasket may have remained on the cover 13 Remove the drive from the pump rotor assembly 14 Remove the charge pressure relief valve spring from the housing see Figure 30 Drive Pump Rotor Ball S A with Rubber Band Retainer Insert Control Shaft and Cam Ring S A Spring Figure 35 15 Using a pencil magnet or similar tool remove the charge pressure relief ball from its seat in the housing 16 Remove the control shaft and insert from the housing and cam ring assembly 17 Remove the cam ring insert from the control shaft 18 Remove the cam ring assembly from the housing 19 Carefully remove the pump rotor assembly from the housing making sure the ball pistons are not dislodged from their bores IMPORTANT It is essential that the pump rotor assembly remain intact during handling as each ball piston is matched to its respective bore 20 Install a wide rubber band around the pump rotor to retain the ball pistons in their bores see Figure 31 po Motor Rotor Ball S A Pump Rotor Ball S A Figure 36 8 9 PUMP AND MOTOR ROTOR INSPECTION Disassemble and inspect the rotor assembly as follows 1 Remove the piston balls from the rotor one at a time working clockwise from the letter stamped in the rotor face 2 Place the piston balls in a prepared container Use a container such as
105. o planetary carrier 64 7 If necessary reassemble axle shaft assembly 76 by installing washer 70 miter gear 65 and jam nut 73 onto axle shaft 76 8 Install R H axle shaft assembly 76 partway into assembled differential components NOTE It will be necessary to support the RH axle shaft in the partially installed position while steps 9 through 16 are completed 9 Assemble sleeve bearing 96 and sun gear 61 sliding them onto R H axle shaft The smaller diameter on the sun gear OD should be IN 10 Install the four 15T planetary gears 59 on pins 80 Make sure the planetary gears are properly aligned with the sun gear Mate the bevel gear on the end of the RH axle shaft with the bevel gears in the differential assembly Continue to support the RH axle shaft 11 Install the planetary thrust plate 62 12 Install the 67T spur gear 60 onto the 21T sun gear 61 13 Slide washer 71 onto axle shaft 76 14 Install the two housing pins 117 into the main housing 1 15 Apply a bead of sealant to the R H housing 2 16 Install R H housing 2 by sliding it down the axle shaft 76 over motor shaft assembly 24 Figure 57 and onto main housing 1 17 Secure housings by installing the eight housing screws 80 per Table 1 18 After the transaxle has been installed in the vehicle install the axle hub assemblies 118 according to the instructions in Transaxle Installation 9 25 MOTOR
106. ore When current is passed through the coil the core is magnetized and pulls down on a magnetic lever The lever in turn is attached to several switch contacts which open or close other electrical circuits In this fashion a small current can control one or more larger electrical currents and actuate several other devices In most cases a relay contact moves only a fraction of an inch and the magnetic pull is small Solenoid A basic solenoid consists of a coil of wire wound around a hollow tube A magnetic core slides inside the tube When current is passed through the coil the core is pulled into the solenoid with considerable force With proper design a solenoid can exert considerable force over a distance of several inches A solenoid can therefore pull a lever close a heavy contact or perform other jobs that require a straight line pull If a relay or solenoid fails to operate the cause may be either electrical or mechanical To check electrically connect a voltmeter across the coil of the device and activate the circuit that operates the relay or solenoid If the meter indicates no voltage is applied the cause is in the control circuit If the meter indicates proper voltage across the coil but the device does not function remove the power disconnect the wiring and check the continuity of the coil with an ohmmeter The meter should indicate resistance in the order of 3 to 5 ohms if the coil is intact A high resistance
107. ours If using an automatic tapering 12 volt charger choosing a good quality 5 to 10 amps 15VDC minimum output charger and charge for 3 to 12 hours according to the battery state of charge see table above or until the specific gravity in each cell reaches 1 255 1 265 specific gravity at 80 F 27 C If using a constant current charger charge at 1 to 2 amperes for the time given on the table above or until full specific gravity is reached IMPORTANT Charging at higher rates will damage the battery and cause excessive gassing and acid spewing Battery Charger Under normal conditions the engine alternator will keep the battery charged When unit has set for an extended period of time without operation and the battery has been completely discharged a battery charger will be required for recharging Before using a charger an attempt can be made to recharge the battery using the engine alternator by jump starting the unit and allowing the engine to run Jump Starting Jump starting battery charging or replacement is required when the starter motor will not crank the engine The unit used for jump starting should have a 12 volt battery with at least 500 cold cranking amperes and a negatively grounded system EXPLODE and result in death or serious injury DO NOT charge a frozen battery Let the battery thaw out before putting ona charger UNIT MOVEMENT can result in death or serious injury NEVER ju
108. ove worm gear and bearings simply remove bolt and washer form end of shaft 8 Check all parts for wear or damage and replace as necessary 9 Assembly is done by inserting bronze and worm gear at same time 10 Using adjustment wrench tighten down on adjustment plug until input shaft is snug 11 Replace side cover using a sealant on threads of two bottom bolts Gear Case Lubrication 1 Gear Lube L 2 80 2 Auger Gear Case 3 Lube Fill Figure 74 OTt0560 Fill gear case with Ariens Special L 2 Gear Lubricant Part No 00008000 until lever reaches bottom of threads in filler hole Check auger gear case lubricant level every 25 hours of operation To check place unit in a warm location over night to allow lubricant to flow to level Remove filler plug Lubricant must be at least up to bottom of filler hole with unit resting on a level surface extra lubricant will not damage gear case 13 75 SECTION 14 FRONT BLADE 14 1 CONTROLS AND FEATURES 1 Attachment Lift Lever 5 Support for Blade Adjustment 9 Skid Shoe 2 Wheel Weight 6 Pivot Frame 10 Scraper Blade 3 Carriage Frame 7 Push Frame 11 Control Bracket 4 Control Rod 8 Front Blade 12 Link Figure 75 Control Rod Skid Shoes The front blade can be rotated left or right to one of five positions to turn the blade 1 Turn and hold the control rod to the right to release the latch pin 2 Push blade left or pul
109. p 34 Inspect cooling fan 55 Worn or stripped gear teeth 14 Inspect charge check valves 35 Inspect transmission cooling fins 56 15 Inspect acceleration valves 36 Worn or damaged bearings 57 16 Check oil level gear box sump or 37 Metallic pieces or foreign objects in 58 reservoir unit 17 Inspect heat exchanger 38 Inspect for loosely mounted 59 components 18 Inspect by pass valve 39 Steering column loose or binding 60 19 Inspect charge pressure 40 Pressure relief valve sticking open 61 20 Inspect inlet filter 41 Pressure relief sticking closed 62 21 Inspect charge relief valve 42 Broken relief valve spring 9 39 9 2 PRODUCT IDENTIFICATION The model and configuration of the Hydro transmission can be determined from the label shown in Figure 44 HYDRO GEAR SULLIVAN IL U S A 165758 310 3000 EI n ni ui di EU UI 8 328 T1 476 Made in U S A OEM Model Hydro Gear Number Number Serial Number Year Built unique number for that model for that day Date Julian day of year Type of Product and Build Information Figure 49 NOTE Any servicing dealer attempting a warranty repair must have prior approval before conducting maintenance of a Hydro Gear product unless the ser vicing dealer is a current Authorized Hydro Gear Ser vice Center 9 3 GENERAL INSTRUCTIONS Cleanliness is a primary means of assuring satisfactory life on repaired units Thoroughly clean all exposed surfaces prior to any ty
110. pe of maintenance Cleaning of all parts by using a solvent wash and air drying is usually adequate As with any precision equipment all parts must be kept free of foreign material and chemicals Protect all exposed sealing surfaces and open cavities from damage and foreign material The external surfaces should be cleaned before beginning any repairs Upon removal it is recommended that all seals O rings and gaskets be replaced During installation lightly lubricate all seals O rings gaskets with a clean petroleum jelly prior to assembly Also protect the inner diameter of seals by covering the shaft with a cellophane plastic wrap etc Parts requiring replacement must be replaced with manufacturer recommended parts 9 4 TORQUE SPECIFICATIONS Torque specifications for fasteners used on the Hydro Transmission are provided inTable 1 9 5 TRANSAXLE REMOVAL Itis necessary to remove the transaxle from the vehicle before performing the repair procedures presented in this section Use the following procedure to prepare the unit for removal from the vehicle 1 With the vehicle wheels on the ground loosen the nut retaining the hub on the control side of the transaxle only Use an air impact wrench and a 1 1 8 socket to loosen the hub 2 Liftthe vehicle wheels from the ground and remove the nut completely 3 Remove the wheel from the hub 4 Using a wheel or gear puller remove the hub from the shaft CAUTION
111. pening pistons for inspection and cleaning Normal flushing should be all that is required for cleaning 10 To remove the dump valve assembly first use a 1 Socket or end wrench to remove the dump valve nut from the housing see Figure 33 Dump Valve Dump Valve Bracket Dump Valve Spring Figure 38 11 Remove the O ring from the dump valve nut 12 After removing the dump valve nut remove the dump valve bracket and spring from the housing by sliding them over and lifting upward 13 Remove the spring from the dump valve bracket 14 Remove the O ring from the dump valve bracket We do not recommend removal of the dampening pistons for inspection and cleaning Normal flushing should be all that is required for cleaning 8 10 TRANSAXLE REASSEMBLY Before reassembling the transaxle clean all parts and assemblies with clean solvent and blow them dry with compressed air Inspect and replace all scratched or damaged parts Replace all gaskets seals and seal rings Lubricate all seals with petroleum jelly Vaseline for retention during assembly Freely lubricate all bearings and finished part surfaces with clean hydraulic fluid to provide lubrication at start up 8 11 TRANSAXLE WITH DUMP VALVE 1 To reassemble the dump valve first lubricate and install the o ring in the groove located in the dump valve bracket 2 Install the spring on the dump valve bracket It should be installed with the right angle bend
112. r Ariens Company does not recommend attempting to repair electrical components Most do not lend them selves to repair and you would have more money invested in time of repair than the part would cost and the results may not be as good 12 2 ELECTRICAL MEASUREMENTS In many electrical circuits there is some visible effect which indicates that the circuit is functioning properly A switch is turned ON and a lamp lights A key is turned a starter motor runs and cranks the engine If the lamp does not light or the starter motor does not run some means of measuring voltage current flow resistance and continuity is needed continuity means there is a complete electrical path through the circuit or component To know exactly what conditions exist in an electrical circuit requires AC and DC Voltmeter AC and DC Ammeter and an Ohmmeter Multimeter A single combination meter that does all of these things is available Such a meter is called a Multimeter or Volt Ohm multitester VOM Meters of this kind are avail able in many forms and all change functions and ranges with switches or by plugging test leads into dif ferent jacks Multimeters are available in two basic types Analog and Digital Analog Meters Analog Meters have a needle that moves across a scale to give a reading The longer the scale the easier itis to read and more accurate the reading will be A jeweled movement is used in this type of meter is more li
113. re solid state semiconductor devices They contain no moving parts and conduct current better in one direction than the other Diodes allow current to flow through one circuit without backing up into another In engine alternator circuits a diode is used to convert current which flows back and forth AC in a circuit to current which flows only in one direction DC A device which converts alternating current to a direct current is called a RECTIFIER A diode is one type of rectifier To check a diode isolate if from the circuit by disconnecting one end With a multitester set on the lowest ohms scale setting measure the resistance in one direction reverse the test leads and measure in the other direction Readings should be high in one direction and low in the other If the readings are low in both directions the diode is shorted and if the readings are high the diode is open If the readings are the same in both directions the diode is defective and must be replaced IMPORTANT Diodes are marked to indicate polarity a band on one end an arrow on the side or they fit on a holder only one way Rectifiers A battery is charged through the use of an alternator located in or on the engine A charging circuit contains a rectifier because alternators produce alternating current AC and batteries require direct current DC for charging The rectifier may be built into the engine or it may be an external part It may also
114. ring 46 necessary 2 Install adjusting puck 48 and bolt 88 3 Adjust neutral settings REF Part Name Part Name 26 Control Arm Washer 31 Trunnion Arm Washer 32 Trunnion Bushing Screw 33 Trunnion Arm Lip Seal Bearing 34 Return Arm Locating Spacer 35 Actuating Arm Countersink Screw 36 Stud Spring 37 Friction Puck Spacer 46 Spring Locknut 48 Adjusting Puck 106 Trunnion Spacer Figure 56 9 19 TORQUE BRACKET ASSEMBLY Refer to Figure 52 Disassembly 1 Remove lock nut 142 and bolt 143 from torque bracket 102 2 Remove torque bracket 102 from main housing 1 Assembly 1 Install torque bracket 102 onto main housing 1 2 Install lock nut 142 and bolt 143 to secure torque bracket 102 to main housing 1 Reference Table 1 for torque values Part Name Main Housing Torque Bracket Lock Nut Bolt Figure 57 9 20 FAN AND PULLEY ASSEMBLY Refer to Figure 53 Disassembly 1 Remove jam nut 115 from input shaft 12 2 Remove fan pulley assembly 104 103 107 Inspection 1 Inspect fan 104 for broken and or damaged blades If necessary to replace fan 104 remove screws 107 and fan 104 from pulley 103 Assembly 1 Install fan pulley assembly 104 103 107 onto input shaft 12 2 Secure fan pulley assembly 104 103 107 onto shaft 12 by installing jam nut 115 per Table 1 REF Part Name 1 Main Housing 12 Input Shaft 103 Pul
115. rotate the input shaft to engage the pump rotor drive When all mating parts are aligned and engaged the cover assembly should fall into position on the housing assembly With the cover assembly in the proper position remove the two alignment flange screws if used and install the self tap screws 13 and alternately tighten to 125 Ib in 14 Nm Torque each screw second time to compensate for gasket compression set CAUTION TRANSAXLE WITH CHARGE PUMP During installation of the cover assembly be careful not to dislodge the charge pressure relief valve from its bore NOTE Two axle housing flange screws may be used to help retain the cover gasket and housing in position during assembly e SO xA Figure 43 y Torque Twice in Sequence Shown 125 14 Nm 8 14 AXLE HOUSING REASSEMBLY One axle housing or two use the same procedure for each Axle Housing Retaining gt ing Axle Shatt with One Retaining Ring Radial Lip Seal Bearing Ball Retaining Ring Figure 44 1 Lubricate and install the thrust washer in the axle housing 2 Lubricate and install the axle shaft into the axle housing 3 Reposition the axle housing with the output end of axle pointing downward Install the inner thrust washer and axle shaft retaining ring IMPORTANT The round cornered side or die rolled side of the retaining ring must
116. surface Be careful not overtighten the C clamp when securing the transaxle Axle Housing S A Planetary Assemblies Figure 29 3 To disassemble the axle housing assembly carefully position the axle housing assembly on a clean flat surface then separate axle housing from the planetary assemblies Retaining ing Axle Housing Axle Shatt with One Retaining Ring Radial Lip Seal Bearing Ball Retaining Ring Figure 30 4 Position the axle housing assembly with the output end of the axle shaft in the up position Using a No 5 or 7 internal retaining ring pliers remove the retaining ring from the axle shaft 5 Reposition the axle housing with the splined end of the axle in the up position Using a No 4 or 5 external retaining ring pliers remove the retaining ring and thrust washer from the axle shaft 6 Remove the axle from the axle housing by using the friction pad assembly reaction plate and backup small press or by tapping the splined end of the plate When the brake is applied the rotating reaction axle shaft with a plastic head hammer This will plate is squeezed between the stationary friction pad dislodge the seal and bearing from the axle and the backup plate housing 17 Remove the axle housing assembly gasket 7 After separating the axle shaft from the axle housing remove the ball bearing seal and thrust washer from the axle shaft The thrust washer may be in
117. tings or over speed engine Always back up slowly Always look down and behind before and while backing Never leave a running unit unattended ALWAYS shut off power take off lower throttle setting and stop engine before leaving unit ALWAYS remove key to prevent unauthorized use Never carry passengers on any part of unit Avoid uneven and rough terrain DO NOT operate near drop offs ditches or embankments Unit can suddenly turn over if a wheel is over the edge of a cliff or ditch or if an edge caves in If tires lose traction turn off power take off and proceed slowly straight down slope Avoid wet surfaces Avoid parking on a slope If necessary use wheel chocks DO NOT leave unit unattended on a slope ALWAYS use wheel chocks when leaving unit ALWAYS operate unit in good visibility and light Fuel is highly flammable and its vapors can explode Use ONLY approved fuel containers NO Smoking NO Sparks NO Flames Allow engine to cool before servicing NEVER fill fuel tank when engine is running hot or unit is indoors Abnormal Vibrations are a warning of trouble Striking a foreign object can damage unit Immediately stop unit and engine Remove key and wait for all moving parts to stop Remove wire from spark plug Inspect unit and make any necessary repairs before restart Hazardous Slopes DO NOT operate on steep slopes Avoid operating on slopes When you must operate on a slope travel up and do
118. tments made by your Ariens dealer They have the knowledge and tools to properly perform adjustments which may be required to keep your equipment operating at peak 4 12 efficiency Should you decide to make adjustments 4 9 NEUTRAL ADJUSTMENT yourself Ariens recommends that you call your dealer With right rear wheel off ground turn neutral for answers to any questions that arise adjustment bolt in or out to stop the wheel from 4 7 PARKING BRAKE SPRING rotating Compress the spring to the length indicated with the brake on Park Brake Set Turn the locknut to adjust 1 Brake Rod 2 Compression Spring 3 Lock Nut Figure 5 1 Neutral Adjustment 3 Spring S Bolt 4 Control Arm 2 Neutral Arm 5 Torque Mount 4 8 STEERING If steering system seems loose check hardware for Figure 6 diis tightness Check friction points for excessive wear replace as needed If gear mesh adjustment is needed refer to section on Steering and Controls Proper front wheel toe in assures proper steering and reduced tire wear For proper toe in front of wheels are 1 16 to 1 8 closer together than rear of wheels measured at horizontal center line of rim flange If tractor wanders or excessive tire wear develops check toe in To adjust toe in 1 Loosen jam nuts at tie rod ends 2 Turn tie rod clockwise to decrease or counterclockwise to increase toe in 3 Tighten jam nuts 4 10 TRACTION DRIVE BELT
119. ts shown below Figure 3 Rotary mower should be lubricated at beginning of season and every 25 operating hours Grease points are shown below OT0312 Figure 4 Apply motor oil to all pin connections pivots points and areas where sliding occurs every 25 hours 4 4 CHECKING FASTENERS Each day before operating the unit check all nuts bolts and other fasteners Replace fasteners that are missing or damaged Tighten all nuts and bolts to the torque listed in the torque table unless noted differently 4 5 CHECK ENGINE OIL LEVEL Refer to the Engine Manual for oil type and viscosity The engine crankcase oil should be checked daily or every 5 hours of operation 1 To check oil park tractor on a flat level surface 2 Stop engine raise hood and wipe all debris from around dipstick cap 3 Turn cap remove dipstick from engine and wipe oil off dipstick 4 Insert dipstick into filler tube and turn slowly until cap bottoms firmly 5 Remove dipstick and observe oil level If low add clean fresh oil of same type and viscosity as is in engine to bring oil level to full F mark 6 Replace dipstick and tighten cap firmly IMPORTANT DO NOT over fill Level must not exceed full F mark Oil level MUST be maintained in safe operating range on dipstick at all times or engine damage will result 4 6 ADJUSTMENTS Ariens recommends that you have adjus
120. uire additional fluid to be added or even replaced Refer to Figure 45 for proper fill port and fluid level port locations Fill the unit until fluid flows out of the fluid level port Recheck the fluid level once the unit has been operated for approximately 1 minute Purging may be required Refer to the Purging Procedures um PT aj TASA 28 SC Sac end fign Figure 50 Fluid Change This transaxle is factory filled and does not require regular oil change In the event of oil contamination or degradation an oil change may improve performance Using transaxle removal procedure remove transaxle and drain oil from top fluid fill port Fill unit per Table 3 reinstall transaxle and perform purging procedures In the event fluid change and filter inspection is required refer to Disassembly Assembly instructions CAUTION DO NOT OVERFILL If you overfill the transaxle while the unit is cold it may overflow as it reaches normal operating temperatures The oil level should not be above the manufacturer s suggestions outlined in this manual This will allow the space needed for the oil to expand as it warms up 9 9 BRAKE MAINTENANCE Brake Setting 1 Remove the brake arm bias spring and then the cotter pin securing the brake castle nut 2 Insert a 0 015 feeler gage between the brake disc and top brake puck and then set the brake by
121. upplement to and reminder of the training sessions conducted by the company Read all information for servicing a part or system before repair work is started to avoid needless disassembly Operation Before operation of the unit carefully and completely read manuals supplied with the unit The contents will provide you with an understanding of safety instructions and controls during normal operation and maintenance Safety Messages For your safety and the safety of others always read understand and follow all DANGER WARNING and CAUTION messages found in manuals and on safety decals Directional Reference All reference to left right front or rear are given from the operator in the operator position and facing the direction of forward travel 1 2 SERVICE AND REPLACEMENT PARTS When ordering publications replacement parts or making service inquiries know the Model and Serial numbers of your unit and engine Numbers are located on the product registration form in the unit literature package They are printed on a serial number label located on the frame of your unit Some models may have the serial number near the rear wheel Serial Number Figure 1 1 3 PRODUCT REGISTRATION A warranty registration card must be filled out signed and returned at time of purchase This card activates the warranty Claims meeting requirements during limited warranty period will be honored 1 4 UNAUTHORIZED
122. ve the bearings and spindle shaft from the housing If the housing has been damaged replace the spindle shaft bearings and housings Press new bearings into the spindle housing Make sure to insert the spindle shaft into the housing before 1 pressing the second bearing into place Spindle Installation 2 1 Place the spindle housings into the mower deck P stamping and attach with new hardware 2 Insert spindle shaft and sheave assemblies into the spindle housings with spacer washer under sheaves 3 Reattach the right side mower support arms to the mower deck stamping 4 Reattach the mower deck spindle drive belt 5 Reinstall the bearing slinger spindle key retainer hub blade trays and mower deck blades with hardware removed earlier 6 Check mower deck blades for clearance inside of the mower deck stamping and mounting flatness astic ade Tray 1 Sheave 3 2 Spindle Shaft w Zerk 4 v Figure 16 1 2 Remove the mower deck blades hardware mower deck blades blade trays retainer hub spindle key and bearing slinger 3 Remove the mower deck spindle drive belt from the spindle sheaves 4 Remove the spindle sheaves from the shaft assemblies 5 Remove the mower spindle housings from the mower deck stamping 6 2 JACKSHAFT REMOVAL AND REPAIR 9 Reattach assembled housing to mower deck Reroute the belt and attach idler tension spring 3 Jackshaft
123. which cover is mounted for damage or excessive wear Assembly 1 Install gerotor assembly 52 onto input shaft 12 not shown 2 Install new O ring 53 into charge pump cover 54 3 Install charge pump cover 54 making sure it is properly oriented 4 Secure charge pump cover 54 by installing two Screws 29 per Table 1 Part Name Main Housing Screw Gerotor Assembly O ring Gerotor Cover 29 Figure 60 9 23 LOWER HOUSING FILTER MANIFOLD ASSEMBLY Refer to Figure 56 NOTE Charge pump assembly must be removed before the following steps can be performed Disassembly 1 Remove the eleven housing screws 50 and lower cover 51 and remove sealant 2 Remove screw O rings 157 3 Remove spring 145 and ball 146 4 Remove filter 55 and charge manifold 56 5 Remove O ring 144 Inspection 1 Inspect filter 55 and manifold 56 replace if necessary 2 Inspect O ring 144 and screw O rings 157 Assembly 1 Install O ring 144 onto center section assembly 3 refer to Figure 59 Install filter 55 and charge manifold 56 Install spring 145 and ball 146 Install screw O rings 157 Dry fit lower cover 51 on housing using screws 29 to align cover and manifold 56 6 Remove screws 29 and cover 51 Apply sealant 79 to lip of main housing 1 7 Reinstall cover 51 and screws 29 reference Table 1 BR W 8 Secure lower cover 51
124. wn the slope Never operate across a slope Never operate on a slope greater than 10 degrees Child Safety NEVER allow children to operate or play on or near unit Be alert and shut off unit if children enter area Personal Safety Read and obey all warning caution and instructions on the unit and in provided manuals Only trained adults may operate unit Training includes actual operation Clearly understand instructions Be alert Conditions can change NEVER operate unit after or during the use of medication drugs or alcohol Safe operation requires your complete and unimpaired attention at all times NEVER allow anyone to operate the unit when their alertness or coordination is impaired DO NOT operate unit without wearing adequate outer garments Wear adequate safety gear and protective gloves Wear proper footwear to improve footing on slippery surfaces Protect eyes face and head from objects that may be thrown from unit Wear appropriate hearing protection Avoid Sharp Edges Sharp edges can cut Moving parts can cut or amputate fingers or a hand Wear gloves to service unit when handling sharp edges ALWAYS keep hands away from any pinch points ALWAYS keep hands and feet away from all moving parts during operation Moving parts can cut off body parts DO NOT touch unit parts which might be hot from operation Allow parts to cool before attempting to maintain adjust or service Controls Come to a co
125. ypes of transmissions Use only those possible causes and corrective actions that apply to the TROUBLE Axles Will Not Turn POSSIBLE CAUSES Refer to Key Below 1 7 8 12 16 18 28 32 38 42 46 CORRECTIVE ACTION repair or replace Difficult Starting 1 6 7 8 12 16 25 26 28 38 42 46 repair or replace Erratic Running 1 4 6 7 8 12 18 25 26 28 42 46 55 repair or replace Jerky When Starting 1 4 7 8 12 18 28 38 46 Jumps Out of Gear N A repair or replace Knocking 4 8 12 18 28 37 42 repair or replace Loss of Power or System 4 12 18 28 37 42 46 Noisy 4 12 18 26 28 32 37 42 repair or replace Oil Leakage 4 22 51 16 repair or replace Operates Hot 4 16 28 32 35 42 Operates in One Direction Only 1 8 12 30 46 Pump Failure 4 12 37 repair or replace Speed Loss Under Load 1 6 11 28 37 46 51 repair or replace Speed Loss Under Load 1 4 7 12 18 28 26 repair or replace 21 Inspect charge relief valve 42 Broken relief valve spring Will Not Drive 1 7 8 18 28 37 38 46 48 Will Not Shift repair or replace TROUBLESHOOTING KEY 1 Inspect control linkage 22 Inspect hoses and lines for wear 43 Burrs on gearing 2 Inspect acceleration valves 23 Inspect implement relief valve 44 Gears improperly installed 3 Inspect charge check valves 24 Inspect charge pump 45 Forks
126. z cartridges If using Stens Mix Hi Temp Grease for the first time all components should be thoroughly cleaned prior to lubricating 14 3 INSTALLATION AND REMOVAL 1 Remove other attachments such as mower Sno Thro bagger etc from the unit following removal instructions found in the Owners Operator Manuals provided with the attachment and unit 2 Install the control bracket and support assembly onto the right side of the unit frame with the two hex bolts and lock nuts 3 Lift the front of the unit and slide the carriage and pivot frame assembly under the unit 4 Use the latch pins on the rear arms of the carriage frame to secure the carriage frame to the hanger brackets 5 Use the latch pins on the pivot frame to secure the pivot frame to the unit frame 6 Attach the push frame and blade assembly to the pivot frame using the rod washers and hair pins 7 Put the links into the holes in the pivot frame and push frame and secure with the washers and cotter pins NOTE On High Sierra models use the black links 8 Put the control rod through the lower hole on the control bracket and then fasten the end into the block joint with a cotter pin NOTE On removal place all hardware in their respec tive positions so that they will be readily available for the next installation 1 Control Bracket 2 Control Bracket Support 3 Control Rod 4 Hanger Bracket YT Only 6 Hanger Bracket Hi Sierra 5

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