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Snapper MRP216015B Lawn Mower User Manual

1. 4 SECTION 1 FAMILIARIZATION 5 SECTION 2 OPERATING INSTRUCTIONS 6 8 Pre start Checklist 6 Starting amp Stopping Engine amp Blades 6 7 Starting amp Stopping Wheel Drive 7 Handle Height Adjustment 7 Cutting Height Adjustment 8 Recycling Operation 8 SECTION 3 MAINTENANCE INSTRUCTIONS 9 10 Change Engine Oil 9 Check Transmission Grease 9 10 Check Mower Blade 10 Check Engine Drive Belt
2. Continued From Previous Page IMPORTANT DO NOT tip machine with carburetor or spark plug down Oil from crankcase will saturate the air filter and cause the engine to be hard to start or not start at all If contamination does occur the air filter will have to be replaced 3 Remove the driven disc Refer to Section Replacing Rubber Driven Disc Ring for driven disc assembly removal procedure 4 Tilt mower up on its rear wheels and remove blade and blade hub Assistance from another person may be necessary to hold mower in the tilted position 5 Hold the slotted end of the drive disc bolt with a screwdriver and remove the nut and internal tooth lock washer See Figure 4 16 6 Remove the belt cover located under deck 7 Lift the drive disc up and remove worn belt 8 Loop one end of new belt over engine pulley and insert the other end through slot in deck See Figure 4 15 PULLEY POSITION FIGURE 4 16 9 Loop the belt around the pulley on the bottom of the drive disc 10 Reinstall drive disc and retaining hardware IMPORTANT 1 The square shoulder of the drive disc bolt must fit into the square hole of the bushing 2 The square end of bushing must fit into the bracket slot 11 Reinstall belt cover and tighten bolts securely 12 Reinstall blade hub and cutter blade Recommended torque for blade cap screw is 30 to 40 ft lbs 4 4 2 Transmission Poly V Belt Replacement 1 Remove the driven disc Refer to Section R
3. 10 Check Transmission Poly V Belt 10 Service Annually 10 Engine 10 Air Filter 10 Engine Oil 10 Storage Procedure 10 SECTION 4 ADJUSTMENTS AND REPAIR 11 17 Mower Blade Replacement 11 Blade Sharpening 11 12 Wheel Drive Control Adjustment 12 Driven and Drive Disc Service 13 Cleaning Drive Disc and Driven Disc 13 Drive Spring Repair Replacement 13 Driven D
4. 6 Install bearing holder and secure with screws 7 Install 3 8 hex lock nut FIGURE 4 14 4 4 BELT SERVICE On self propelled mowers the engine belt transmits power from engine to drive disc The drive disc powers the poly v belt which engages the transmission that powers the rear wheels Should these belts become worn they could cause slippage which would impair mower performance The condition of the engine belt and poly v belt should be checked after every 25 hours of mower operation 4 4 1 Engine Drive Belt Replacement Stretch Type Belts 1 Empty the fuel tank 2 Note the belt routing in Figure 4 15 There is no idler pulley on these models to disconnect See Figure 4 15 TOP VIEW OF STRETCH TYPE BELT ROUTING FIGURE 4 15 BALL BEARING O RING 3 8 LOCK NUT BALL BEARING HOLDER DRIVE DISC DRIVE BELT ENGINE DRIVE PULLEY 17 Section 4 ADJUSTMENTS amp REPAIR WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP engine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool Wear heavy leather gloves when handling or working around cutting blades Blades are extremely sharp and can cause severe injury DO NOT use a cutting blade that shows signs of excessive wear or damage 4 4 1 Engine Drive Belt Replacement Stretch Type Belts
5. 3 3 2 Air Filter Refer to engine owner s manual for service instructions 3 3 3 Engine Oil Refer to engine owner s manual for service instructions 3 4 STORAGE PROCEDURE Refer to the Engine Owner s Manual for directions regarding engine storage preparations Prepare the mower for end of season storage as follows 1 Drain fuel from fuel tank and let engine run until all fuel is out of the carburetor 2 Disconnect and remove the spark plug wire away from spark plug before any other preparations are made 3 Tape all openings closed to prevent spraying water into exhaust or air intakes during washing 4 Tilt mower up on its rear wheels and thoroughly clean the underside of the deck Do not tilt mower with spark plug or carburetor down Scrape away any accumulation of grass with a putty knife and or wire brush 5 Lubricate all exposed metal with a light coating of oil to prevent corrosion 6 On self propelled models loosen wing nuts on ground speed control rod before folding handles 7 Loosen handle knobs Carefully fold the handles forward flexing the control cables to prevent cable damage 8 Store the mower in a shed or other dry area protected from weather KEEP DRIVE DISC CLEAN RECOMMENDED BLADE RETAINING CAP SCREW TORQUE VALUE SHOULD BE 30 TO 40 FT LBS 11 Section 4 ADJUSTMENTS amp REPAIR WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP e
6. free the clip from the transfer rod Then remove the transfer rod from the clip and the speed control rod See Figure 4 11 2 Using needle nose pliers unhook the drive spring and slide the driven disc assembly off the hex shaft See Figure 4 12 3 Remove both snap rings that secure rubber driven disc hub to thrust plate See Figure 4 13 4 Slide the rubber driven disc hub out of the bearing 5 Drive out existing bearing 6 Install new bearing and secure to thrust plate with four retaining screws Tighten screws securely 7 Reassemble components in reverse order FIGURE 4 13 DRIVEN DISC ASSEMBLY INSTALL NEW DRIVEN DISC SNAP RINGS 16 Section 4 ADJUSTMENTS amp REPAIR WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP engine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool 4 3 6 Replacement Of Bearing On Pulley End Of Hex Shaft To replace the bearing on the pulley end of the hex shaft proceed as follows 1 Hold the hex shaft with an adjustable wrench held next to the pulley 2 Remove the 3 8 hex lock nut which is located at the end of the hex shaft on the outside of the right wheel bracket See Figure 4 14 3 Remove holder O ring and bearing 4 Install new bearing 5 Carefully install new O ring over the outside of the new bearing
7. 2 2 STARTING amp OPERATION WARNING Stop engine and mower blade by releasing the blade control before adjusting ground speed 2 2 2 PROPELLING MOWER Self Propelled Model Only 1 Stop engine and mower blade by releasing the blade control before adjusting ground speed Move ground speed control to the desired speed position See Figure 2 4 2 Start engine Refer to Section Starting amp Operation 3 Move wheel drive control against handle to engage wheel drive and propel mower forward See Figure 2 1 FIGURE 2 4 2 3 STOPPING Stop engine and blade by releasing the blade control Stop forward motion of mower by releasing the wheel drive control 2 4 HANDLE HEIGHT ADJUSTMENT The height of the mower handle can be adjusted as follows 1 Loosen the lower nuts on each lower handle as shown in Figure 2 5 FIGURE 2 5 2 Move upper mower handle up or down until the desired position is achieved 3 Tighten the lower nuts on each lower handle to maintain desired position GROUND SPEED CONTROL FAST SPEED SLOW SPEED LOWER HANDLE HIGHER LOWER LOOSEN LOWER NUTS ON EACH LOWER HANDLE 8 Section 2 OPERATING INSTRUCTIONS WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP engine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool 2 5 CU
8. DRIVE DISC SLIDE DRIVEN DISC ASSEMBLY TOWARD OUTSIDE EDGE TRANSFER ROD CONNECTOR HEX NUT CONNECTOR OUTSIDE EDGE CONNECTOR CLIP SPEED CONTROL ROD TRANSFER ROD 15 Section 4 ADJUSTMENTS amp REPAIR WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP engine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool 4 3 4 Replacing Rubber Driven Disc Continued from previous page 2 Using needle nose pliers unhook the drive spring and slide the driven disc assembly off the hex shaft See Figure 4 12 3 Remove the two retaining rings which secure the rubber driven disc to the driven disc assembly See Figure 4 13 4 Install new rubber driven disc onto driven disc assembly with retaining rings 5 Reverse above procedures for reassembly and installation of driven disc assembly FIGURE 4 12 4 3 5 Replacing Bearing In Driven Disc Assembly IMPORTANT The bearing on these M series Non Commercial machines is staked into the thrust plate The bearing will have to be driven out with a mallet and a large punch A new bearing with four retaining screws will have to be purchased to replace existing bearing If the driven disc bearing fails remove the driven disc assembly and replace bearing as follows 1 Using a small flat blade screwdriver
9. Plug Replace Engine Manual X Engine Cooling System Clean Shroud amp Fins Engine Manual X Drive Belts Check For Wear And Tension Page 16 X X X Mower Blade Check For Wear Damage amp Replacement Page 11 12 X Mower Deck Clean Debris Accumulation Page 10 X Transmission Grease Check Grease Level Pages 9 X X Periodic Grease Check Pages 10 X Drive Disc Check for Wear Damage amp Replacement Page 12 15 X Change oil every 25 hours when operating under heavy load or high temperatures Clean more often under dusty conditions or when air debris is present 4 5 MAINTENANCE REPLACEMENT PARTS MAINTENANCE PARTS Blade Control Cable MRP216515BV 7 2933 Blade Control Cable MR216015T 4 1971 Clutch Pull Cable Propelled Models 7 2932 Cutter Blade Mulching 4 1939 Cutter Blade Ninja Quad Edge 2 6407 Wheel Drive Pulley to Transmission Pulley Belt 1 2354 Engine to Drive Disc Stretch Type Belt 4 6784 Rubber Drive Tire 4 1855 Parts Manual for 21 Steel Deck Walk Behind Mower M Series 14 amp 15 06064 IMPORTANT This stretch belt should be used only on models without idler pulleys 20 3 YEAR LIMITED WARRANTY For three 3 years from purchase date for the original purchaser s residential non commercial use SNAPPER through any authorized SNAPPER dealer will replace free of charge except for taxes where applicable any part or parts found upon examination
10. Safety Instructions amp Operator s Manual for 21 STEEL DECK WALK MOWERS M MODEL SERIES 15 MODELS PUSH MODEL PROPELLED MODEL MR216015T MRP216015B MODEL NUMBER EXPLANATION M R P 21 60 15 B MODEL DESIGNATION ENGINE TYPE SELF PROPELLED SERIES DESIGNATION CUTTING WIDTH ENGINE HORSE POWER M Middle Market P Self Propelled Model 15 Series Designation R Recycling Model B Briggs Engine 21 21 Cutting Width T Tecumseh Engine 60 6 0 HP Engine Horse Power Thank you for buying a SNAPPER Product Before operating your Walk Behind read this manual carefully and pay particular attention to the IMPORTANT SAFETY INSTRUCTIONS on Pages 2 amp 3 Remember that all power equipment can be dangerous if used improperly Also keep in mind that SAFETY requires careful use in accordance with the operating instructions and common sense COPYRIGHT 2000 SNAPPER INC ALL RIGHTS RESERVED MANUAL No 7 3687 I R 4 29 00 2 IMPORTANT SAFETY INSTRUCTIONS WARNING This powerful cutting machine is capable of amputating hands and feet and can throw objects that can cause injury and damage Failure to comply with the following SAFETY instructions could result in serious injury or death to the operator or other persons The owner of the machine must understand these instructions and must allow only persons who understand these instructions to operate machine Each person operating the
11. by the factory at McDonough Georgia to be defective in material or workmanship or both For ninety 90 days from purchase date for the original purchaser s commercial rental or other non residential use SNAPPER through any authorized SNAPPER dealer will replace free of charge any part or parts found upon examination by the factory at McDonough Georgia to be defective in material or workmanship or both All transportation costs incurred by the purchaser in submitting material to an authorized SNAPPER dealer for replacement under this warranty must be paid by the purchaser This warranty does not apply to engines and their components and batteries as these items are warranted separately This warranty does not apply to parts that have been damaged by accident alteration abuse improper lubrication normal wear or other cause beyond the control of SNAPPER This warranty does not cover any machine or component part that has been altered or modified changing safety performance or durability Batteries have a one 1 year prorated warranty period with free replacement if required during the first ninety 90 days from the original purchase date SNAPPER will not be responsible for any installation cost incurred The battery warranty only covers original equipment batteries and does not cover damage to the battery or machine caused by neglect or abuse destruction by fire explosion freezing overcharging improper maintenance or use of improper ele
12. engine and Stop mower if anyone enters the area 7 Check shields deflectors switches blade controls and other safety devices frequently for proper operation and location 8 Make sure all safety decals are clearly legible Replace if damaged 9 Protect yourself when mowing and wear safety glasses long pants and substantial footwear DO NOT mow barefooted or with sandals 10 Know how to STOP blade and engine quickly in preparation for emergencies 11 Use extra care when loading or unloading the machine into a trailer or truck 12 Check grass catcher components frequently for signs of wear or deterioration and replace as needed to prevent injury from thrown objects going through weak or torn spots 3 IMPORTANT SAFETY INSTRUCTIONS OPERATION 1 DO NOT put hands or feet near or under rotating parts Keep clear of discharge area while engine is running 2 STOP engine when crossing gravel drives walks or roads and under any conditions where thrown objects might be a hazard 3 Mow only in daylight or good artificial light 4 DO NOT operate mower while under the influence of alcohol or drugs 5 After striking a foreign object or if mower vibrates abnormally STOP the engine disconnect and secure spark plug wire Inspect the mower for any damage and repair the damage 6 DO NOT mow near drop offs ditches or embankments Operator could lose footing or balance 7 STAY ALERT for holes and other hidden hazards Tall grass c
13. eye and check clearance Repeat procedure if required NOTE The vinyl spring cover should be kept over the spring at all times except for adjustments 4 If the wheel drive control fails to return quickly to the OFF position when released check for binding at the cable holdings located on the side of the right handle The upper clip should be located 2 below the upper knob the lower clip should be 4 above the lower knob The cable should slide freely with the clips installed at these locations BLADE TIP DO NOT SHARPEN BEYOND ORIGINAL CUTTING EDGE 22 TO 28 ORIGINAL CUTTING EDGE END VIEW OF BLADE ASSEMBLY CLUTCH CABLE VINYL SPRING COVER 1 16 TO 1 8 CLEARANCE UPPER SPRING LOWER SPRING CLUTCH CABLE EYE SPRING HOOK CABLE CLUTCH CABLE EYE SPRING 13 Section 4 ADJUSTMENTS amp REPAIR WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP engine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool 4 3 DRIVEN DISC SERVICE If the mower does not propel itself properly See Figure 4 6 Check for the following problems FIGURE 4 6 1 Grease on drive disc causing slippage 2 Broken or disconnected drive spring 3 Driven disc is out of adjustment 4 Driven disc rubber ring is worn does not contact drive disc p
14. machine must be of sound mind and body and must not be under the influence of any substance which might impair vision dexterity or judgment If you have any questions pertaining to your machine which your dealer cannot answer to your satisfaction call or write the Customer Service Department at SNAPPER McDonough Georgia 30253 Phone 1 800 935 2967 PROTECTION FOR CHILDREN Tragic accidents can occur if the operator is not alert to the presence of children Children are often attracted to the machine and the mowing activity Never assume that children will remain where you last saw them 1 KEEP children out of the mowing area and under the watchful care of a responsible adult 2 DO NOT allow children in yard when machine is operated and turn machine OFF if anyone enters the area 3 DO NOT allow pre teenage children to operate machine 4 ALLOW only responsible adults amp teenagers with mature judgment under close adult supervision to operate machine 5 DO NOT pull mower backwards unless absolutely necessary LOOK and SEE behind and down for children pets and hazards before and while backing 6 USE EXTRA CARE when approaching blind corners shrubs trees or other objects that may obscure vision SLOPE OPERATION 1 Slopes are a major factor related to slip and fall accidents which can result in severe injury All slopes require extra caution If you feel uneasy on a slope DO NOT mow it 2 Mow across slopes never
15. to promote safety through the use of accepted operating practices Read Understand and Follow the IMPORTANT SAFETY INSTRUCTIONS on Pages 2 amp 3 of this manual and all safety messages on the mower and attachments before operating the mower 1 2 NOMENCLATURE The nomenclature drawing above Figure 1 1 shows the essential parts of the SNAPPER WALK BEHIND MOWERS It is recommended that all operators of the mower become thoroughly familiar with the controls parts and operation of the mower before operating Specific details involving the engine are found in the separate engine owner s manual Study these manuals before operating and keep both handy for future reference WHEEL DRIVE CONTROL BLADE CONTROL UPPER HANDLE MID HANDLE ROPE START HANDLE KNOB KNOB REAR HEIGHT ADJUSTMENT LEVER LOWER HANDLE OIL FILL CAP amp DIPSTICK ENGINE AIR FILTER COVER MOWER DECK REAR WHEEL RECYCLING DECK COVER FRONT HEIGHT ADJUSTMENT LEVERS FUEL FILLER CAP FAST SLOW GROUND SPEED CONTROL FRONT WHEEL MUFFLER BRIGGS amp STRATTON ENGINE PRIMER BULB LOCATED AT FRONT OF ENGINE PRIMER BULB SEE INSET TECUMSEH ENGINE PRIMER BULB LOCATED ON RIGHT SIDE OF ENGINE 6 Section 2 OPERATING INSTRUCTIONS 2 1 PRE START CHECK LIST Make the following checks and perform the service required before each start up 2 1 1 Check guards deflectors grass bag adapter and covers to ma
16. NEW BLADE NEW BLADE WEAR LIMIT CRACKS OR NOTCHES BEGIN TO APPEAR ON TIP DANGEROUS DO NOT USE A BLADE IN THIS CONDITION MAKE SURE THAT BLADE HUB IS SEATED BETWEEN FLANGES BLADE HUB FLANGE BLADE CONE WASHER Concave Side Up CAPSCREW 12 Section 4 ADJUSTMENTS amp REPAIR WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP engine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool 4 Sharpen blade on a grinding wheel at an angle of 22 to 28 degrees DO NOT sharpen blade beyond original cutting edge See Figure 4 4 FIGURE 4 4 5 Check blade for balance If necessary correct balance by grinding heavy end of blade 6 Reinstall blade See Figure 4 3 Check torque of blade retaining cap screw Recommended torque should be 30 to 40 ft lbs NOTE The following sections 4 2 through 4 4 are for self propelled models only 4 2 WHEEL DRIVE CONTROL ADJUSTMENT 1 The wheel drive control is properly adjusted when there is 1 16 to 1 8 clearance between the inside of the spring hook and the inside of the clutch cable eye with the wheel drive control released See Figure 4 5 FIGURE 4 5 2 To adjust unhook upper spring from cable eye and rotate spring in direction required to extend or shorten spring length 3 Rehook upper spring to cable
17. TTING HEIGHT ADJUSTMENT 1 Pull the height adjusting latch outward and move to desired cutting height See Figure 2 6 IMPORTANT Move rear height adjustment latch for rear wheel adjustment to correspond with raising or lowering the front wheels to maintain the level of the deck FIGURE 2 6 2 Set all wheels at the same cutting height The highest cutting position is Notch 6 The lowest cutting position is Notch 1 See Figure 2 7 FIGURE 2 7 2 6 RECYCLING OPERATION NOTE For best recycling results cut up to a maximum of 1 3 of grass blade length and recycle ONLY when grass is dry 1 Set all wheels in the highest cutting position Notch 6 2 Move engine speed control to FAST Rabbit position 3 Move ground speed control to slowest speed setting 4 Proceed mowing slowly If grass is very dense lower each rear wheel latch one notch lower than the front wheel latches to improve recycling performance REMOVE HAIR PIN AND CLEVIS PIN SHOWN IN LOWEST CUTTING HEIGHT HIGHEST CUTTING HEIGHT SWIVEL WHEEL MODEL FIXED WHEEL MODEL LATCH 1 LOWEST CUTTING HEIGHT 6 HIGHEST CUTTING HEIGHT 1 2 3 4 5 6 LATCH POSITIONS 1 2 3 4 5 6 9 Section 3 MAINTENANCE 3 1 INTRODUCTION To retain the quality of the mower use genuine SNAPPER replacement parts only Contact a local SNAPPER dealer for parts and service assistance For the correct part or information for a particular mower always m
18. afety Instructions amp Operator s Manual for 21 STEEL DECK WALK BEHIND MOWERS M MODEL SERIES 15 IMPORTANT Snapper products are built using engines that meet or exceed all applicable emissions requirements on the date manufactured The labels on those engines contain very important emissions information and critical safety warnings Read Understand and Follow all warnings and instructions in this manual the engine manual and on the machine engine and attachments If you have any questions about your Snapper product contact your local authorized Snapper dealer or contact Snapper Customer Service at Snapper McDonough GA 30253 Phone 1 800 935 2967 COPYRIGHT 2000 SNAPPER INC ALL RIGHTS RESERVED MANUAL No 7 3687 I R 4 29 00 WARNING ENGINE EXHAUST SOME OF ITS CONSTITUENTS AND CERTAIN VEHICLE COMPONENTS CONTAIN OR EMIT CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER OR OTHER REPRODUCTIVE HARM WARNING BATTERY POSTS TERMINALS AND RELATED ACCESSORIES CONTAIN LEAD AND LEAD COMPOUNDS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM WASH HANDS AFTER HANDLING
19. an hide obstacles Keep away from ditches washouts culverts fences and protruding objects 8 DO NOT mow on wet grass Always be sure of your footing Keep a firm hold on the handle and walk never run Slipping could cause injury 9 DO NOT leave the machine with the engine running STOP BLADE and STOP ENGINE before leaving the operators position for any reason 10 Before cleaning repairing or inspecting make certain engine blade and all moving parts have STOPPED Disconnect and secure spark plug wire away from plug to prevent accidental starting 11 STOP engine and wait until the blade comes to complete STOP before removing grass bag and or clearing grass 12 DO NOT operate mower without the entire grass catcher or guards in place DO NOT point discharge at people passing cars windows or doors 13 Slow down before turning 14 Watch out for traffic when near or crossing roadways 15 DO NOT operate engine in enclosed areas Engine exhaust gases contain carbon monoxide a deadly poison MAINTENANCE AND STORAGE 1 DO NOT store mower or fuel container inside where fumes may reach an open flame spark or pilot light such as in a water heater furnace clothes dryer or other gas appliance Allow engine to cool before storing machine in an enclosure Store fuel container out of reach of children in a well ventilated unoccupied building 2 Keep mower and engine free of grass leaves or excess grease to reduce fire hazard an
20. ctrolyte There is no other express warranty DISCLAIMER OF WARRANTY Implied warranties including those of merchantability and fitness for a particular purpose are limited to three 3 years from purchase date for the original purchaser s residential or other non commercial use and ninety 90 days from purchase for the original purchaser s commercial rental or other non residential use and to the extent permitted by law any and all implied warranties are excluded This is the exclusive remedy Liabilities for consequential damages under any and all warranties are excluded Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state WARNING THE USE OF REPLACEMENT PARTS OTHER THAN GENUINE SNAPPER PARTS MAY IMPAIR THE SAFETY OF SNAPPER PRODUCTS AND WILL VOID ANY LIABILITY AND WARRANTY BY SNAPPER ASSOCIATED WITH THE USE OF SUCH PARTS IMPORTANT Please fill out the attached SNAPPER Product Registration Card immediately and mail to Snapper s Product Registration Center P O Box 1379 McDonough Georgia 30253 21 PRIMARY MAINTENANCE 22 PRIMARY MAINTENANCE 23 PRIMARY MAINTENANCE 24 PRIMARY MAINTENANCE 25 NOTES 26 NOTES 27 NOTES 28 S
21. d engine overheating 3 When draining fuel tank drain fuel into an approved container outdoors and away from open flame 4 Keep all bolts especially blade bolts nuts and screws properly tight Check that all cotter pins are in proper position 5 Always provide adequate ventilation when running engine Engine exhaust gases contain carbon monoxide a deadly poison 6 Service engine and make adjustments only when engine is stopped Removed spark plug wire from spark plug and secure wire away from spark plug to prevent accidental starting 7 DO NOT change engine governor speed settings or overspeed engine 8 Check grass bag assembly frequently for wear or deterioration to avoid thrown objects and exposure to moving parts Replace with new bag if loose seams or tears are evident Replace slider or bag adapter if broken or cracked 9 Mower blades are sharp and can cut Wrap the blades or wear heavy leather gloves and use CAUTION when handling them 10 DO NOT test for spark by grounding spark plug next to spark plug hole spark plug could ignite gas exiting engine 11 Have machine serviced by an authorized SNAPPER dealer at least once a year and have the dealer install any new safety devices 12 Use only genuine SNAPPER replacement parts to assure that original standards are maintained 4 TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS 2 amp 3 TABLE OF CONTENTS
22. ention model and serial number 3 2 SERVICE AFTER FIRST 5 HOURS 3 2 1 CHANGE ENGINE OIL WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP engine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool 1 Refer to Engine Manual for proper oil specifications and procedures 2 For simplest cleanest oil change loosen lower handle wing nuts and stand mower up on lower handle as shown in Figure 3 1 Drain oil through dipstick tube into a container FIGURE 3 1 3 2 2 CHECK GREASE LEVEL IN TRANSMISSION 1 Remove transmission fill plug See Figure 3 2 2 If liquid grease IS NOT visible on the input gear the small gear below the plug hole add an amount to cover gear of Snapper 00 grease See Figure 3 2 FIGURE 3 2 NOTE Snapper 00 Grease Part No 2 9443 is available at your SNAPPER dealer Continued on Next Page FILL PLUG 10 Section 3 MAINTENANCE 3 2 2 CHECK GREASE LEVEL IN TRANSMISSION NOTE Do not spill grease or oil on surface of drive disc See Figure 3 3 3 Reinstall transmission plug 4 Check grease level after each 25 hours of operation FIGURE 3 3 WARNING DO NOT attempt any maintenance adjustments or service with engine and blade running STOP engine and blade Disconnect spark plug wire and secure away from spark pl
23. eplacing Driven Disc Rubber Ring for procedure 2 Note the routing of the old belt around the three pulleys before removing it See Figure 4 17 3 Place new Poly V Belt over end of hex shaft and onto driven pulley 4 Work belt onto top of idler pulley 5 Twist belt sideways and pull it upward between the differential bracket and drive pulley and then down into the pulley groove Make sure the Poly V Belt is above belt guide See Figure 4 17 FIGURE 4 17 DRIVE DISC SLOT IN END OF DRIVE DISC BOLT BUSHING BOLT RETAINER DECK BRACKET PARTIALLY SHOWN INTERNAL TOOTH LOCKWASHER NUT DRIVE PULLEY HEX SHAFT BELT GUIDE DRIVEN PULLEY POLY V BELT DIFFERENTIAL BRACKET IDLER PULLEY ROUTING OF POLY V BELT 18 TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Engine Will Not Start 1 Fuel tank empty 1 Fill fuel tank with fresh fuel Using Recoil Starter 2 Engine needs choking or priming 2 Choke Prime Check Engine Manual for Instructions 3 Spark plug wire disconnected 3 Place spark plug wire onto spark plug Engine Stalls or Stops After Running 1 Blade control is released or is not being held securely against handle 1 Blade control should be held securely against handle at all times during operation of mower 2 Choke control in the CHOKE position 2 Move choke control to OFF position 3 Fuel tank empty 3 Fill with fuel to proper level 4 Engine a
24. ing STOP engine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool 4 3 3 DRIVEN DISC ADJUSTMENT Continued From Previous Page 2 Remove driven disc spring from driven disc assembly Loosen connector hex nut See Figure 4 9 FIGURE 4 9 3 Slide driven disc assembly over to 1 8 from outside edge of drive disc Maintaining the 1 8 measurement remove any looseness from the linkage This can be done by holding the transfer rod and applying pressure to the left as viewed from operators position Then retighten the connector hex nut securely See Figure 4 10 Move ground speed control to the first speed position then back to the sixth speed position Recheck the 1 8 measurement described previously Reinstall driven disc spring to driven disc assembly FIGURE 4 10 4 3 4 Replacing Rubber Driven Disc Ring If the rubber ring is badly chunked or worn down to within 1 16 of the metal rim of the driven disc hub it must be replaced Install new rubber ring as follows 1 Using a small flat blade screwdriver free the clip from the transfer rod Then remove the transfer rod from the clip and the speed control rod See Figure 4 11 FIGURE 4 11 DRIVE DISC DRIVEN DISC ASSEMBLY DRIVEN DISC SPRING TRANSFER ROD CONNECTOR CONNECTOR HEX NUT 1 8 MEASUREMENT TO OUTSIDE EDGE OF DRIVE DISC
25. ir pre cleaner and or air cleaner dirty 4 Clean free of all debris 5 Spark plug defective or gap set improperly 5 Service spark plug 6 Water debris or stale fuel in fuel system 6 Drain and clean fuel system Engine Loses Power 1 Engine air pre cleaner or air cleaner dirty 1 Clean or replace filters 2 Spark plug faulty 2 Service spark plug 3 Water debris or stale fuel in fuel system 3 Drain and clean fuel system Excessive Vibration 1 Damaged out of balance or bent mower blade 1 Service mower blade 2 Loose blade components 2 Service and tighten loose parts 3 Loose or missing air lift if equipped 3 Replace air lifts Tighten to proper torque 4 Lumpy or frayed belt 4 Replace belt 5 Bent Idler pulley 5 Replace pulley Mower Will Not Move 1 Damaged transmission 1 Contact authorized SNAPPER dealer Loss Of Traction 2 Engine drive belt broken requires replacement 2 Replace engine drive belt 3 Engine drive belt has jumped off of the pulley 3 Reinstall belt onto pulley Check for damage Self Propelled Models 4 Poly V belt is broken 4 Replace Poly V belt 5 Poly V belt has jumped off of the pulley 5 Reinstall belt onto pulley Check for damage 6 Driven disc slipping 6 Clean or replace driven disc 7 Broken or loose differential link bolt 7 Tighten or replace link bolt Cutting Grass 1 Cutting height too low or high 1 Adjust cutting height Im
26. isc Adjustment 13 14 Driven Disc Replacement 14 15 Driven Disc Bearing Replacement 15 Hex Shaft Bearing Replacement 16 Belt Service 16 17 Engine Drive Belt Replacement 16 17 Transmission Poly V Belt Replacement 17 TROUBLESHOOTING 18 SERVICE SCHEDULE 19 Maintenance Replacement Parts 19 WARRANTY 20 PRIMARY MAINTENANCE 21 24 5 Section 1 FAMILIARIZATION FIGURE 1 1 1 1 INTRODUCTION This manual has been prepared for the operators of the SNAPPER WALK BEHIND MOWERS Its purpose aside from recommending operating and routine service requirements is
27. ke sure all are in place and securely tightened 2 1 2 Check blade control and wheel drive control to insure they work freely See Figure 2 1 FIGURE 2 1 2 1 3 Check cutting height Adjust to desired height 2 1 4 Check engine oil and add oil as needed to bring level up to the full mark Refer to Engine Owner s Manual for oil specifications See Figure 2 2 FIGURE 2 2 2 1 5 Add fuel to tank after pushing the mower outside where fumes can safely dissipate Make sure cap is tightened after refueling Refer to Engine Owners Manual for specifications 2 1 6 Clean exterior surfaces of cutting deck and engine of any accumulation of spilled fuel dirt grass oil etc Keep engine air intake screen and cooling fins clear at all times 2 2 STARTING amp OPERATION 2 2 1 ENGINE amp BLADE The engine speed is preset and is not adjustable A primer is provided to assist in starting a cold engine 1 Push primer bulb three times to start a cold engine NOTE The primer should not be required to restart a hot engine See Figure 2 3 NOTE Stop the engine and blade by releasing the blade control FIGURE 2 3 2 Pull blade control against handle 3 Pull rope start handle to crank engine 4 After engine starts allow a brief warm up until engine runs smooth BLADE CONTROL WHEEL DRIVE CONTROL PUSH PRIMER BULB THREE TIMES TO START COLD ENGINE FOR ENGINES EQUIPPED WITH PRIMER BULB 7 Section 2 OPERATING INSTRUCTIONS
28. ngine and blade Disconnect spark plug wire and secure away from spark plug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool Wear heavy leather gloves when handling or working around cutting blades Blades are extremely sharp and can cause severe injury 4 1 MOWER BLADE REPLACEMENT 4 1 1 STANDARD BLADE WEAR LIMIT 1 Inspect blade frequently for signs of excessive wear or damage See Figure 4 1 FIGURE 4 1 4 1 2 NINJA BLADE WEAR LIMIT 1 Inspect blade frequently for signs of excessive wear or damage See Figure 4 2 FIGURE 4 2 2 Replace the blade if it is badly chipped bent noticeably out of balance or has cracks or notch in either tip See Figure 4 1 amp 4 2 Replace with new blade WARNING DO NOT use a cutting blade that shows signs of excessive wear or damage Refer to Section MOWER BLADE REPLACEMENT for proper blade inspection and service procedures 4 1 3 BLADE SHARPENING 1 Disconnect spark plug wire and secure end away from plug IMPORTANT DO NOT tip machine with carburetor or spark plug down Oil from crankcase will saturate the air filter and cause the engine to be hard to start or not start at all If contamination does occur the air filter will have to be replaced 2 Tilt mower up on its rear wheels 3 Remove blade See Figure 4 3 FIGURE 4 3 NEW BLADE WEAR LIMIT NOTCH STARTS DANGEROUS CONDITION DO NOT USE ON MOWER REPLACE WITH
29. properly 2 Engine speed too slow 2 Move engine speed control to FAST position 3 Forward ground speed too fast 3 Move ground speed control to a slower speed 4 Terraced cut side to side 4 Adjust height of cut with height adjust levers 5 Excessive deck pitch front to rear 5 Adjust height of cut with height adjust levers 6 Cutting blade dull or damaged 6 Sharpen cutting edges or replace blade Poor Grass Discharge 1 Engine speed too slow 1 Move engine speed control to FAST position 2 Forward speed too fast 2 Move ground speed control to a slower speed 3 Grass is wet 3 Mow when grass is dry 4 Excessively worn or damaged blade 4 Service mower blade 5 Build up of grass clippings and debris under deck 5 Clean deck 6 Improper blade installed on deck 6 Install proper SNAPPER blade 7 Blade installed improperly on deck 7 Install blade properly Oil Leaking 1 Leaking engine case 1 Contact authorized SNAPPER dealer 2 Check and tighten drain plug 3 Make sure dip stick or oil filler cap is securely in place 19 SERVICE SCHEDULE ITEM SERVICE PERFORMED REF EACH USE 5 HRS 25 HRS 50 HRS 100 HRS EACH SEASON Engine Oil Check Oil Level Page 6 X Initial Oil Change Page 9 X Periodic Oil Change Page 10 X Air Pre Cleaner Clean Sponge Element Engine Manual amp Page 10 X Air Cleaner Clean or Replace Engine Manual X Spark
30. roperly 5 Worn Poly V Belt or engine drive belt NOTE If any of the above 1 thru 5 are causing problems service as follows 4 3 1 Cleaning Drive Disc amp Driven Disc If oil or grease on the drive disc or driven disc is causing slippage clean discs as follows 1 Wipe away any oil or grease with a clean cloth 2 Use either an approved grease solvent or hot soapy water to clean drive disc or driven disc 3 Rinse components with clean water 4 Dry components with a clean cloth 4 3 2 Drive Spring Repair Replacement If drive spring is loose reconnect as shown in Figure 4 7 If spring is broken replace with new spring IMPORTANT If machine drive system continues slipping see Trouble Shooting section FIGURE 4 7 4 3 3 DRIVEN DISC ADJUSTMENT If the drive disc and driven disc are clean and the mower drive is not making correct drive disc and driven disc contact adjust the driven disc as follows 1 Place ground speed control in the number six speed position See Figure 4 8 FIGURE 4 8 Continued on Next Page DRIVEN DISC amp RUBBER RING POLY V BELT DRIVE DISC DRIVE SPRING ENGINE DRIVE BELT USE NEEDLE NOSE PLIERS TO INSTALL DRIVE SPRING DRIVE SPRING MOVE GROUND SPEED CONTROL TO SIX SPEED POSITION SIXTH SPEED POSITION SIXTH FIRST SPEED POSITION FIRST 14 Section 4 ADJUSTMENTS amp REPAIR WARNING DO NOT attempt any maintenance adjustments or service with engine and blade runn
31. ug Engine and components are HOT Avoid serious burns allow sufficient time for all components to cool Wear heavy leather gloves when handling or working around cutting blades Blades are extremely sharp and can cause severe injury IMPORTANT DO NOT tip machine with carburetor or spark plug down Oil from crankcase will saturate the air filter and cause the engine to be hard to start or not start at all If contamination does occur the air filter will have to be replaced 3 2 3 CHECK MOWER BLADE 1 Disconnect spark plug wire and secure end away from plug 2 Tilt mower up on its rear wheels for access to the blade cap screw Do not tilt mower with spark plug or carburetor down See Figure 3 4 3 Check torque of blade retaining cap screw Recommended torque should be 30 to 40 ft lbs See Figure 3 4 4 Check blade for sharpness wear and damage Refer to Section Blade Wear Limits 3 2 4 CHECK ENGINE DRIVE BELT 1 Visually check engine drive belt for cracking fraying severed or belt strands exposed If worn or damaged replace belt before operating mower 3 2 5 CHECK TRANSMISSION POLY V BELT 1 Visually check poly v belt for cracking fraying severed or belt strands exposed If worn or damaged replace belt before operating mower FIGURE 3 4 3 3 SERVICE ANNUALLY Perform all maintenance as described in the Service Schedule section of this manual 3 3 1 Engine Service engine according to engine owner s manual
32. up and down Exercise extreme CAUTION when changing directions on slopes DO NOT mow steep slopes or other areas where stability or traction is in doubt 3 Use extra care with crass catchers or other attachments these affect the handling and the stability of the machine PREPARATION 1 Read understand and follow instructions and warnings in this manual and on the mower engine and attachments Know the controls and the proper use of the mower before starting 2 Only mature responsible persons shall operate the machine and only after proper instruction PREPARATION Continued From Previous Column 3 Data indicates that operators age 60 and above are involved in a large percentage of mower related injuries These operators should evaluate their ability to operate the mower safely enough to protect themselves and others from serious injury 4 Handle fuel with extra care Fuels are flammable and vapors are explosive Use only an approved fuel container DO NOT remove fuel cap or add fuel with engine running Add fuel outdoors only with engine stopped and cool Clean spilled fuel and oil from machine DO NOT smoke 5 Check the area to be mowed and remove all objects such as toys wire rocks limbs and other objects that could cause injury if thrown by blade or interfere with mowing Also note the location of holes stumps and other possible hazards 6 Keep people and pets out of the mowing area Immediately STOP Blade Stop

Snapper MRP216015B Lawn Mower User Manual

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