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Troy-Bilt 630B-Tuffy, 634F-Bronco, 634B

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1. 1 GW 1166 5 Shim 0 005 thick A R 10 GW 1104 Woodruff 1 4 GW 1086 Bronze Bushing 4 11 1904279 Worm Gear Tiller Shaft 1 A For Model 630B As Required B For Model 634F For Model 634B M odels 634F 634B and 630B DRAWING NO 5 REF PART REF PART No No DESCRIPTION QTY No No DESCRIPTION QTY 1 GW 9727 Plug Transmission Oil Fill 1 9 1916975 Transmission Housing Ass y 1 2 1186328 Hex Hd Flange Screw 5 16 18 x 5 8 10 1909374 Oil Seal Tine Shaft 2 Grade 5 occ eer des 8 11 GW 55011 1 Bearing Cap Gasket 010 thick 1 5 1916641 Front Cover Transmission 1 GW 55011 2 Bearing Cap Gasket 030 thick 1 5A 1918377 Rear Cover Transmission 1 12 GW 55010 Rear Bearing 1 6 GW 50032 Gasket Housing Cover 2 13 1186331 Hex Hd Flange Screw 5 16 18x 1 2 7 GW 9617 Oil Seal Drive 1 14 710 3008 Hex Hd Flange Screw 5 16 18 x 3 4 1 8 GW 9621 Oil Seal Wheel Shaft 2 15 736 0119 Lock Washer 5 16 1 Models 634F 634B and 630B D
2. 1 777005551 Decal Model Name Logo 1 8 1916712 Spring Forward Clutch 1 777005555 Decal Model Name Logo 1 9 736 0119 Lock Washer 5 16 6 25 1916674 Bracket Reverse Clutch Cable B C 1 10 712 3010 Hex Nut 5 16 18 6 26 1916719 Cable Ass y Reverse Clutch B C 1 11 712 0291 Hex Lock Nut 1 4 20 1 27 712 0121 Hex Nut 10 24 1 12 1918745 Cable Assembly Forward Clutch 1 28 777120941 Decal Reverse Drive Control 1 13 710 0514 Hex Hd Screw 3 8 16 x 3 4 2 29 725 0157 Cable Tie 1 14 712 3017 Hex Lock Nut 3 6 16 2 30 736 0169 Lock Washer 3 8 2 15 736 3050 Flat Washer 3 8 2 A For Model 630B B For Model 634F For Model 634B DRAWING PARTS LIST NO 3 2 REF PART No No DESCRIPTION QTY 1 710 0157 Hex Screw 5 16 24 x 3 4 Grade 5 A 1 710 0117 Hex Screw 5 16 24 x 1 Grade 5 B C 1 2 GW 9944 Belleville Washer 1 3 GW 55031 Transmission Pulley A 1 1916532 Transmission Pulley B C 1 4 GW 9301 Key Transmission Pulley 3 16 x 1 1 5 GW 50027 Support Washer Front
3. 4 Move the Depth Regulator Lever all the way down until the highest notch is engaged This places the tines in the travel position which allows the tiller to be moved without the tines touching the ground STEP 8 CHECK HARDWARE FOR TIGHTNESS Check all nuts and screws for tightness STEP 9 CHECK AIR PRESSURE IN TIRES units with pneumatic tires On tires equipped with air valves check the air pressure with a tire gauge Deflate or inflate the tires equally to 15 to 20 PSI pounds per square inch Be sure that both tires are inflated equally or the unit will pull to one side IMPORTANT This completes the assembly steps Before operating your tiller make sure you read the following sections in this Manual as well as the separate Engine Owner s Manual e Section 1 Safety e Section 3 Features and Controls e Section 4 Operation E Features and Controls A WARNING Before operating your machine care fully read and understand all safety controls and operating instructions in this Manual the separate Engine Owner s Manual and on the decals on the machine Failure to follow these instructions can result in serious personal injury INTRODUCTION This Section describes the location and function of the controls on your tiller Refer to the following Section Operation for detailed operating instructions Practice using these controls with the engine shut off until you understand
4. OSB OSB c Figure 2 1 To identify length of screws place screw on template as shown and mea sure distance between bottom of screw head and tip of screw STEP 2 ATTACH HANDLEBAR 1 Loosely attach the legs of the handlebar support A Fig 2 2 to the inner sides of the tiller frame using two 3 8 16 x 3 4 hex hd screws B 3 8 flat washers C 3 8 lock washers GG and 3 8 16 hex locknuts D 2 There are three height adjustment holes in the two handlebar support brackets E and F Fig 2 2 Use a setting that will position the handlebars at approximately waist level when the tines are 3 4 into the soil Loosely attach the support brackets to the handlebar support using two 5 16 18 x 1 1 2 screws G 5 16 split lockwashers and 5 16 18 hex nuts 1 NOTE If a support bracket will not move loosen attaching screw J and nut 3 Attach the handlebar assembly K to the handlebar support A using four 5 16 18 x 1 1 2 screws G 5 16 split lockwashers and 5 16 18 hex nuts 1 Tighten the four screws securely 4 Tighten all handlebar mounting hard ware securely STEP 3 MOVE TILLER OFF SHIPPING PLATFORM To roll the tiller off the shipping platform put the wheels in FREEWHEEL as follows 1 Place a sturdy block under the trans mission to raise one wheel about 1 off the ground Fig 2 3 Wheel in FREEWHEEL position wheel drive pin through whe
5. See Engine Owner s Manual DANGER GASOLINE IS HIGHLY FLAMMABLE AND ITS VAPORS ARE EXPLOSIVE Follow gasoline safety rules in this Manual see Section 1 and in the sepa rate Engine Owner s Manual Failure to follow gasoline safety instruc tions can result in serious personal injury and property damage 7 Fill the fuel tank with gasoline according to the directions in the separate Engine Owner s Manual Follow all instructions and safety rules carefully 8 Attach spark plug wire to spark plug Starting the Engine The following steps describe how to start and stop the engine Do not attempt to engage the tines or wheels until you have read all of the operating instruc tions in this Section Also review the safety rules in Section 1 Safety and the tiller and engine controls information in Section 3 Features and Controls 1 Complete the Pre Start Checklist on this page 2 Put the wheels in the WHEEL DRIVE position see Wheel Drive Pins in Section 3 of this manual A CAUTION To help prevent serious personal injury or damage to equipment Before starting engine put both wheels in the WHEEL DRIVE position Never have wheels in FREEWHEEL position when engine is running When the wheels are in FREEWHEEL they do not hold back the tiller and the tines could propel the tiller rapidly forward or backward Before starting engine put Forward Clutch Bail all models and Reverse Clutch Contro
6. and instructions ENGINE OIL SERVICE Check the engine oil level before each use and after every 5 hours of continuous operation Running the engine when it is low on oil will quickly ruin the engine It is recommended that you change the motor oil after every 10 hours of operation and even sooner when operating in extremely dirty or dusty conditions Refer to the Engine Owner s Manual for detailed service instructions A To Check the Engine Oil Level 1 Parkthe tiller on a level area and shut off the engine 2 Level the engine use the Depth Regu lator Lever to adjust the engine angle WARNING Before inspecting cleaning or servicing the machine shut off engine wait for all moving parts to come to a complete stop disconnect spark plug wire and move wire away from spark plug Failure to follow these instructions can result in serious personal injury or property damage 3 Clean around the oil dipstick or oil fill tube whichever applies to prevent dirt from falling into the crankcase 4 On engines with an oil fill tube remove the fill cap and add oil if required until it reaches the top of the fill tube Reinstall the fill cap 5 On engines with a dipstick remove it and wipe it clean Reinsert the dipstick tighten it securely and remove it Add oil as needed to bring the level up to the FULL mark Wipe dipstick clean each time oil level is checked Do not overfill Tighten di
7. 1 6 GW 9517 SnapRing ssssseee 1 7 GW 1714 Bearing Tapered Roller with race 2 8 GW 50043 Support Washer Rear 1 9 1904281 Drive Shaft 5 1 10 GW 1224 1 Shim Rear Bearing Cap 010 thick A R GW 1224 2 Shim same as above except TRICK nete ches A R GW 1224 3 Shim same as above except 005 soi this A R GW 1224 4 Shim same as above except 062 thick A R GW 1325C Shim Set Incl the following shims two 7224 1 two 1224 2 one 1224 3 and one 1224 4 A R A For Model 630B A R As Required B For Model 634F For Model 634B Models 634F 634B and 630B DRAWING NO 4 FRONT 3 2 1 4 3 2 REF PART REF PART No No DESCRIPTION QTY No No DESCRIPTION QTY 1 GW 9512 Retainer Snap Ring E 2 5 GW 55004 Wheel Shaft 1 2 1909950 Retainer Snap Ring 4 1916741 Wheel Shaft B 1 3 GW 1166 1 Shim 0 062 thick A R 6 GW 9305 Key Hi Pro 1 4 x 1 1 GW 1166 2 Shim 0 030 thick A R 7 GW 1132 2 ees 4 GW 1166 3 Shim 0 015 thick A R 8 1904278 Worm Gear Wheel Shaft 1 GW 1166 4 Shim 0 010 thick A R 9 1915074 Tiller
8. Figure 1 2 Keep the decals clean and legible at all times Contact your local ser vice dealer or the factory for replacements if any decals are damaged or missing Starting Stabilization Message on engine Warning Messages Refer to the Parts List pages in this Manual for decal locations descrip tions and part numbers Hot Surfaces Warning on belt cover Figure 1 2 Location of safely and operating decals 5 5HP Model shown Operating Symbols Various symbols shown here with word gt R lt descriptions may be used the tiller and CHOKE REVERSE engine Your unit may not have all of the ON OFF ER e BAIL BAIL gt 7 i gt lt o ENGAGED FAST SLOW TILLER DIRECTION LEVER DIRECTION WARNING TO AVOID SERIOUS INJURY e READ THE OWNER S MANUAL e KNOW LOCATIONS AND FUNCTIONS OF ALL CONTROLS e KEEP ALL SAFETY DEVICES AND SHIELDS IN PLACE AND WORKING NEVER ALLOW CHILDREN OR UNINSTRUCTED ADULTS TO OPERATE TILLER e SHUT OFF ENGINE AND DISCONNECT SPARK PLUG WIRE BEFORE MANUALLY UNCLOG GING TINES OR MAKING REPAIRS e KEEP BYSTANDERS AWAY FROM MACHINE e KEEP AWAY FROM ROTATING PARTS USE EXTREME CAUTION WHEN REVERSING OR PULLING THE MACHINE TOWARDS YOU A WARNING To prevent personal injury or property damage do not start the engine until all assembly steps are complete and you have read and understand the safety and operating
9. Hex Hd Screw 5 16 18 x 3 4 1 12 GW 9301 Key 3 16 x 1 36 736 3050 Flat Washer 3 8 1 13 GW 55035 Pulley Engine Drive A 37 736 3090 Flat Washer sss 1 1916531 Pulley Engine Drive B C 1 38 1918731 Reverse Idler Arm B C 1 14 1917746 Shoulder 2 39 1916535 Pulley Reverse Idler B C 1 15 710 0117 Hex Hd Screw 5 16 24 x 1 B C 3 40 710 3103 Hex Hd Screw 5 16 18 x 2 B C 1 16 1916794 Engine Bracket 1 41 712 3009 Lock Nut 5 16 18 B C 2 17 710 0805 Hex Hd Screw 5 16 18 x 1 1 2 4 42 1916725 Belt Guide B C 1 18 1916652 Guard Belts Pulleys 1 43 1916724 Reverse Return Spring 1 19 1916726 Forward Belt Guide B C 1 44 1108841 Key 3 16 x 1 1 2 1 20 710 0520 Hex Hd Screw 3 8 16 x 1 1 2 1 45 GW 55036 Spacer 1 21 GW 9090 Forward Idler Pulley 1 46 GW 55039 Forward Belt Guide 1 22 1918744 Forward Idler Lever 1 47 710 0157 Hex Hd Screw 5 16 24 x 3 4 2 23 712 3000 Lock
10. Know how to stop the unit and disengage the controls quickly 2 Never allow children to operate the tiller Never allow adults to operate the tiller without proper instruction 3 Keep the area of operation clear of all persons particularly children and pets 4 Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people their property and themselves Preparation 1 Thoroughly inspect the area where the tiller is to be used and remove all foreign objects 2 Be sure all tiller controls are released and both wheels are in the Wheel Drive position before starting the engine 3 Do not operate the tiller without on each wheel Figure 1 1 Tiller features and controls 5 5HP Model shown See separate Engine Owner s Manual to identify engine controls wearing adequate outer garments Avoid loose garments or jewelry that could get caught in moving parts 4 Do not operate the tiller when barefoot or wearing sandals sneakers or light footwear Wear protective footwear that will improve footing on slippery surfaces 5 Do not till near underground electric cables telephone lines pipes or hoses If in doubt contact your telephone or utility company 6 Warning Handle fuel with care it is highly flammable and its vapors are explo sive Take the following precautions a Store fuel in containers specifically designed for this purpose b The gas cap shall n
11. Replacement Belt Information If the drive belt needs to be replaced see your local authorized dealer or refer to the Parts List for ordering information Use only a factory authorized belt as an over the counter belt may not perform satis factorily The procedure requires average mechanical ability and commonly available tools Hold bail against handlebar while taking second measurement of spring Figure 5 4 To check forward belt tension take two measurements of the overall length of the coils in the spring first with the clutch bail open then with the clutch bail closed against the handlebar WARNING Before inspecting cleaning or servicing the machine shut off engine wait for all moving parts to come to a complete stop disconnect spark plug wire and move wire away from spark plug Failure to follow these instructions can result in serious personal injury or property damage FORWARD CLUTCH BAIL ADJUSTMENT If the Forward Clutch Bail does not func tion properly first check that the forward drive belt is adjusted properly see Checking and Adjusting Forward Drive Belt Tension f this fails to correct the problem contact the factory Technical Service Department or your authorized dealer for service advice CHECKING AND ADJUSTING REVERSE DRIVE BELT TENSION Models 634F 634B only It is important to maintain correct tension on the reverse drive belt A loose belt will
12. instructions in this manual INTRODUCTION Carefully follow these assembly steps to correctly prepare your tiller for use It is recommended that you read this Section in its entirety before beginning assembly NOTE Various tiller models are presented in this Manual Use only the information appropriate for your tiller model INSPECT UNIT Inspect the unit and carton for damage immediately after delivery Contact the carrier trucking company if you find or suspect damage Inform them of the damage and request instructions for filing a claim To protect your rights put your claim in writing and mail a copy to the car rier within 15 days after the unit has been delivered Contact the factory if you need assistance in this matter TOOLS MATERIALS NEEDED FOR ASSEMBLY 1 3 8 open end wrench 7 16 open end wrench 1 2 open end wrench 9 16 open end wrench Large adjustable wrench Models 634F 634B only 1 Scissors to trim plastic ties 1 Ruler for belt tension check 1 Block of wood to support tiller when removing wheels 1 Tire pressure gauge for models with pneumatic tires 1 Clean oil funnel 1 Motor oil Refer to the Engine Owner s Manual for oil specifications and quantity required Adjustable wrenches may be used 2 Assembly ASSEMBLY STEPS STEP 1 UNPACKING INSTRUCTIONS NOTE While unpacking do not severely bend any control cables 1 The tiller weighs a
13. sole and exclusive remedy arising from the sale Troy Bilt LLC shall not be liable for any incidental or consequential damage or expense of any kind including but not limited to cost of equipment rental loss of profits or costs of hiring services to perform tasks normally performed by the equipment Any implied warranties including any implied warranty of merchantability or fitness for a particular purpose shall be limited in duration to the period of ownership by the original purchaser and a maximum of 90 days from the date of sale if the tiller is purchased for commercial or other non residential use Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations on how long an implied warranty lasts so the above exclusions or limitations may not apply to you This limited warranty gives you specific legal rights and you may also have other rights which vary from state to state For customer assistance contact your nearest authorized dealer or contact us at TROY BILT LLC P O Box 361131 Cleveland Ohio 44136 0019 1 866 840 6483
14. the other wheel and then remove the support from beneath the transmission _ Section 3 Features and Controls 11 Figure 3 3 FREEWHEEL position A WARNING Before starting engine be sure that both wheels are in WHEEL DRIVE position See Wheel Drive Pins for instructions Engaging the Forward Clutch Bail or Reverse Clutch Control if equipped when the wheels are not in WHEEL DRIVE could allow the tines to rapidly propel the tiller forward or backward Failure to comply could cause loss of tiller control property damage or per sonal injury FORWARD CLUTCH BAIL The Forward Clutch Bail E Figure 3 4 controls the engagement of forward drive to the wheels and tines To operate the Forward Clutch Bail 1 Put wheels in WHEEL DRIVE position see WARNING statement above 2 Lift and hold the clutch bail E Figure 3 4 against the handlebar to start the wheels and tines rotating in a forward direction 3 Release the clutch bail to disengage stop the wheels and tines the engine will continue to run REVERSE CLUTCH CONTROL Models 634F 634B only The Reverse Clutch Control F Figure 3 4 controls the engagement of reverse drive to the wheels and tines The reversing feature is used for maneuvering the tiller only never engage the tines in the ground while operating in reverse A WARNING Use extreme caution when reversing or pulling the machine towa
15. tighten the outer jam nut D against the bracket Prevent the outer jam nut D from turning and tighten the inner jam nut C against the bracket 7 Measure the gap by repeating Step 3 Readjust as needed by repeating Steps 5 and 6 8 Reinstall the belt cover Figure 5 5 Measure cable wire length to check for correct reverse belt tension adjuster A to left to increase belt tension Replacement Belt Information If the drive belt needs to be replaced see your local authorized dealer or refer to the Parts List for ordering information Use only a factory authorized belt as an over the counter belt may not perform satis factorily The procedure requires average mechanical ability and commonly available tools ENGINE CLEANING Keeping the engine clean will help to ensure smooth operation and prevent damage from overheating Refer to the Engine Owner s Manual for engine cleaning service intervals and instructions Be sure that the muffler is cool before ser vicing the engine AIR CLEANER SERVICE The air cleaner filters dirt and dust out of the air before it enters the carburetor Operating the engine with a dirty clogged air filter can cause poor performance and damage to the engine Never operate the engine without the air cleaner installed Inspect and service the air cleaner more often if operating in very dusty or dirty conditions Refer to the Engine Owner s Manual for air cleaner service intervals
16. up 3 Remove the oil fill plug A Fig 5 2 from the transmission housing and look inside the oil fill hole to locate the main drive shaft situated below the hole WARNING Before inspecting cleaning or servicing the machine shut off engine wait for all moving parts to come to a complete stop disconnect spark plug wire and move wire away from spark plug Failure to follow these instructions can result in serious personal injury or property damage 4 The gear oil level is correct if the gear oil is approximately halfway up the side of the main drive shaft 5 If the gear oil level is low add gear oil as described next If the gear oil level is okay securely replace the oil fill plug IMPORTANT Do not operate the tiller if the gear oil level is low Doing so will result in severe damage to the transmis sion components Figure 5 2 Remove oil fill plug A to check gear oil level and to add gear oil Remove four cover screws B to drain gear oil 6 If adding only a few ounces of gear oil use API rated GL 4 or GL 5 gear oil having a viscosity of SAE 140 SAE 85W 140 or SAE 80W 90 If refilling an empty trans mission use only GL 4 gear oil having a viscosity of SAE 85W 140 or SAE 140 IMPORTANT Do not use automatic trans mission fluid or motor oil in the transmis sion 7 While checking frequently to avoid overfilling slowly add gear oil into the oil fill hole until it r
17. will often make it easier to chop up the stalks Keep the tines clear of excessive tangling by fishtailing or frequently using reverse Make several passes then return a few days later to finish off any remaining stubble aaa cont A WARNING When power composting do not keep the Depth Regulator Lever at a deep setting if the tiller jumps or bucks If jumping or bucking occurs move the Depth Regulator Lever down to a shallow setting and then slowly increase the tilling depth on later passes Failure to follow this warning could result in personal injury After tilling under crop residues add more organic matter such as leaves grass clippings and even kitchen scraps When tilled into the soil this organic matter will decompose and add even more important nutrients to the soil After power composting you may want to plant a green manure cover crop to protect the soil during the off season You simply grow a crop of clover alfalfa buckwheat peas beans rye grass grain or kale and then till it into the soil prior to the planting season Read the following recommendations before tilling on slopes If you must garden on a moderate slope please follow two very important guidelines 1 Till only on moderate slopes never on steep ground where footing is difficult review safety rules in Section 1 Safety of this manual 2 We recommend tilling up and down slopes rather than terra
18. your authorized engine service dealer for engine service Contact your autho rized tiller dealer or the factory for all other service problems POSSIBLE CAUSE CORRECTION Engine does not start Spark plug wire disconnected Engine Throttle Control Lever incorrectly set Fuel tank empty Choke control if so equipped in incorrect position Stale gasoline Dirty air filter s Defective or incorrectly gapped spark plug Carburetor out of adjustment Misadjusted throttle control 10 Dirt or water in fuel tank AON 1 Reconnect wire 2 Put lever in START position 3 Add fuel 4 See Engine Owner s Manual 5 Drain fuel and add fresh fuel 6 Clean or replace filter s 7 Inspect spark plug 8 See Engine Service Dealer 9 See Engine Service Dealer 10 See Engine Service Dealer Engine runs poorly Defective or incorrectly gapped spark plug Dirty air filter s Carburetor out of adjustment Stale gasoline Dirt or water in fuel tank Engine cooling system clogged Inspect spark plug see Engine Owner s Manual Clean or replace see Engine Owner s Manual See Engine Service Dealer Replace with fresh gasoline See Engine Service Dealer Clean air cooling system see Engine Owner s Manual Engine overheats Engine cooling system clogged Carburetor out of adjustment Oil level is low Clean air cooling are
19. 380 Clevis Pin 312 x 1 3 4 2 right hand tines eight left hand tines 10 GW 9338 Hair Pin GOET unn 2 and required hardware 1 11 712 3017 Hex Nut 3 8 16 16 5 50049 02 Bolo Tine Left Hand Single tine used 12 736 0169 Lock Washer 3 8 16 on right side of tiller Incl two each Refs 1 8 8 A For Model 630B B For Model 634F For Model 634B TROY BILT TILLER LIFETIME LIMITED WARRANTY WHAT PRODUCT Troy Bilt branded rear tine walk behind tillers with gear drive transmissions IS COVERED This warranty begins on the date of purchase and is warranted by Troy Bilt LLC for the life of the tiller to the original purchaser only WHAT IS COVERED Troy Bilt LLC will at its option repair or replace any part found to be defective in material BY THIS WARRANTY or workmanship without charge for parts and labor This limited lifetime warranty also applies to non powered attachments and accessories Powered attachments and accessories are warranted separately by their manufacturers Refer to the applicable manufacturer s warranty on these items for terms and conditions WHAT IS NOT This warranty does not apply to parts that have been damaged by accident alteration COVERED BY THIS misuse abuse neglect improper maintenance vandalism theft fire water or damage WARRANTY because of peril or other natural disas
20. 634B whichever control is in use 2 To stop the engine put the ignition switch and or the throttle control lever in the OFF or STOP position OPERATING THE TILLER The following operating instructions pro vide guidelines to using your tiller effec tively and safely Be sure to read Tilling Tips amp Techniques in this Section before actually putting the tines into the soil NOTE This is a traditional Standard Rotating Tine SRT tiller with forward rotating tines It operates completely dif ferently from Counter Rotating Tine CRT tillers or from front tine tillers 1 Follow the Pre Start Checklist at the beginning of this Section Be sure that the wheels are in the WHEEL DRIVE position 2 Move the Depth Regulator Lever all the way down so that the tines clear the ground Use this position when practicing with the tiller and when traveling between tilling sites Before actually tilling move the lever to the desired depth setting see Tilling Tips amp Techniques 3 Start engine and allow it to warm up Then put throttle in FAST setting Fig 4 2 Use one hand to guide tiller when moving forward 4 For forward motion of the wheels and tines a Pull Forward Clutch Bail Fig 4 1 up against handlebar Release bail to stop forward motion of wheels and tines b When tilling relax and let the wheels pull the unit while the tines dig Walk behind and a little to one side of the unit Us
21. 8 2 18 710 0874 Hex Hd Screw 5 16 18 x 1 1 4 2 8 GW 55018 Depth Regulator Lever 1 19 GW 55088 BUSING esses sete 2 8A 1185469 Spirol 2 20 GW 55015 Drag Bar 1 9 GW 9384 Spring Depth Regulator 1 A For Model 630B B For Model 634F For Model 634B Models 634F 634B and 630B DRAWING NO 2 Models 634F 634B and 630B PARTS LIST DRAWING NO 2 REF PART REF PART No No DESCRIPTION QTY No No DESCRIPTION QTY 1 GW 55104 Upper Handlebar Incl Ref 2 1 16 710 0376 Hex Hd Screw 5 16 18 x 3 4 2 1916996 Upper Handlebar Incl Refs 2 amp 17 GW 55042 Handlebar 2 28 BY C es 1 18 712 3010 Hex Lock Nut 5 16 18 2 2 777120937 Decal Forward Clutch Bail 1 19 GW 55043 Lower Handlebar 1 3 710 0805 Hex Hd Screw 5 16 18 x 1 1 2 6 22 710 0599 Hex Screw 1 4 20 x 1 2 Self Tap A 4 4 710 0106 Hex Hd Screw 1 4 20 x 1 1 4 1 710 0599 Hex Screw 1 4 20 x 1 2 Self Tap B C 6 5 1901077 Bracket Forward Clutch Cable 1 23 1901273010 Panel ico 1 6 1917479 Bail Forward Clutch 1 24 777005556 Decal Model Name Logo 1 7 GW 9855 Screw 10 24 x 2
22. Nut 3 8 16 1 48 710 0376 Hex Hd Screw 5 16 18 x 1 1 A For Model 630B B For Model 634F For Model 634B As Required Contact your local authorized engine service dealer for engine parts and service Refer to your engine nameplate for engine model type number Models 634F 634B and 630B DRAWING NO 7 FRONT FORWARD FRONT FORWARD LEFT SIDE RIGHT SIDE Hold Tine With Blunt End Toward You CY Left Hand Tine Right Hand Tine NOTE Identify Left and Right sides of tiller by standing in operator position and facing direction of forward travel Models 634F 634B and 630B REF PART REF PART No No DESCRIPTION QTY No No DESCRIPTION QTY 1 710 3005 Hex Hd Screw 3 8 16 x 1 1 4 Grade 5 16 6 1916747 Tine Holder 2 2 50049 01 Bolo Tine Right Hand Single tine used 1915075 Tine Holder 2 on left side of tiller Incl two each 7 1917486 Wheel amp Tire Ass y B 2 Refs 18 3 isis 8 1917487 Wheel amp Tire Ass y 2 3 712 3000 Hex Lock Nut 3 8 16 2 55095 01 Wheel amp Tire Ass y Left Side A 1 4 710 0347 Hex Hd Screw 3 8 16 x 1 3 4 2 8 55095 02 Wheel amp Tire Ass y Right Side A 1 GW 1901 Bolo Tine Replacement Set Incl eight 9 GW 9
23. OIL The transmission was filled with gear oil at the factory However you should check the gear oil level at this time to make cer tain it is correct IMPORTANT Do not operate the tiller if the gear oil level is low Doing so will result in severe damage to the transmis sion components 1 With the tiller on level ground pull the Depth Regulator Lever FF Fig 2 10 back and then all the way up until the lowest notch in the lever is engaged 2 Remove the oil fill plug GG Fig 2 11 from the transmission housing cover and locate the main drive shaft situated inside the housing 3 The gear oil level is correct if the gear oil is approximately halfway up the side of the main drive shaft 4 If the oil level is low add gear oil by referring to A To Check the Transmission Gear Oil Level in Section 5 N Fig 2 10 Adjust Depth Regulator Lever Fig 2 11 Remove gear oil fill plug STEP 7 ADD MOTOR OIL TO ENGINE The tiller is shipped without oil in the engine IMPORTANT Do not start the engine without first adding motor oil Severe engine damage will result if the engine is run without oil 1 Refer to the separate Engine Owner s Manual for engine oil specifications and capacities 2 With the tiller on level ground move the Depth Regulator Lever FF Fig 2 10 up or down until the engine is level 3 Add motor oil as described in the Engine Owner s Manual
24. OTROY BILT Operator s Manual Rear tine Tiller Models 630B Tuffy 634F Bronco 634B Super Bronco Model 634B Shown IMPORTANT READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest covered brush cov ered or grass covered land unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark arrester for the muffler is available by contacting the service department at Troy Bilt LLC P O Box 361131 Cleveland Ohio 44136 0019 TROY BILT LLC P O BOX 361131 CLEVELAND OH 44136 0019 PRINTED IN USA FROM NO 770 10594A 12 2001 TABLE OF CONTENTS Content Page Calling Customer Support sess be See mb E X RE eder ee eee eda ERE 2 I A CE MT cc CM 3 ncc Dc a eee Merah are hes Mee ew ERE a eho eat AMA 6 Features and Controls sss 10 S orien See ee ee DD 12 Maintenance bomen EMT 17 Off Season Storage ePi eed one nade ugs 21 Troubleshooting aduer hte ee S e Resp R
25. RAWING NO 6 AF 457 Reverse Clutch Cable Models 634F 634B and 630B No No DESCRIPTION QTY No No DESCRIPTION QTY 1 ii Engine Recoil 1 24 1107382 Flat Washer ets 2 2 1917326 Bracket Belt Cover 1 25 GW 9929 Flat Washer sss 3 3 736 0119 Lock Washer 5 16 8 26 GW 55037 Forward Drive Belt A 1 Lock Washer 5 16 B C 7 1916657 Forward Drive Belt B C 1 4 710 0237 Hex Hd Screw 5 16 24 5 8 2 27 GW 55034 Forward Return Spring 1 5 777530653 Decal Hot Surfaces Warning 1 29 1916658 Reverse Drive Belt B C 1 6 1917128 Belt Cover Incl Ref 5 1 30 GW 9944 Belleville Washer 2 7 710 0599 Hex Hd Flange Screw Self Tapping 31 GW 55031 Transmission Pulley A 1 1 4 20x 1 2 iiit 1916532 Transmission Pulley B C 1 8 712 3010 Hex Nut 5 16 18 32 GW 55049 Bracket Cable Mounting 1 9 GW 50027 Support Washer 33 777120943 Decal Stabilization 1 10 1916795 Engine Bracket Right 34 1186328 Hex Hd Screw 5 16 18 x 5 8 4 11 QW 1138 2 Shit 35 710 3008
26. a see Engine Owner s Manual See Engine Service Dealer Check oil level see Engine Owner s Manual Engine does not shut off Misadjusted throttle control or ignition switch See Engine Owner s Manual or Engine Service Dealer Wheels and Tines will not turn Improper use of controls Worn broken or misadjusted drive belt s Internal transmission wear or damage Bolt loose in transmission pulley 1 Review Sections 3 and 4 2 See Checking Drive Belt Tension Section 5 3 Contact local dealer or the factory 4 Tighten bolt Tines turn but wheels don t Wheel Drive Pins not in WHEEL DRIVE Bolt loose in transmission pulley Internal transmission wear or damage 1 See Wheel Drive Pins in Section 3 2 Tighten bolt 3 Contact local Dealer or the Factory Wheels Turn but Tines Don t Tine holder mounting hardware missing Bolt loose in transmission pulley Internal transmission wear or damage Replace hardware 2 Tighten bolt Contact local Dealer or the Factory Poor tilling performance Worn tines Improper Depth Regulator setting Incorrect throttle setting Forward Drive Belt slipping See Bolo Tines Section 5 See Tilling Tips amp Techniques Section 4 See Section 4 See Checking Forward Drive Belt Tension Section 5 TILLER ATTACHMENTS The attachments listed below are available for
27. ail all models or the Reverse Clutch control Models 634F 634B only 14 Be aware that the tiller may unex pectedly bounce upward or jump forward if the tines should strike extremely hard packed soil frozen ground or buried obstacles like large stones roots or stumps If in doubt about the tilling con ditions always use the following operating precautions to assist you in maintaining control of the tiller a Walk behind and to one side of the tiller using one hand on the han dlebars Relax your arm but use a secure hand grip Use shallower depth regulator set tings working gradually deeper with each pass Use slower engine speeds Clear the tilling area of all large stones roots and other debris Avoid using downward pressure on the handlebars If need be use slight upward pressure to keep the tines from digging too deeply Before contacting hard packed soil at the end of a row reduce engine speed and lift the handlebars to raise the tines out of the soil In an emergency stop the tines and wheels by releasing whichever clutch control is engaged Do not attempt to restrain the tiller c 15 Do not overload the tiller s capacity by attempting to till too deeply at too fast a rate 16 Never operate the tiller at high trans port speeds on hard or slippery surfaces Look behind and use care when backing up 17 Do not operate the tiller on a slope that is too st
28. and protects the engine and all moving parts from damage caused by overspeeding Do not tamper with the engine governor settings OFF SEASON STORAGE When the tiller won t be used for an extended period prepare it for storage as follows 1 Clean the tiller and engine 2 Do routine tiller lubrication and check for loose parts and hardware 3 Protect the engine and perform recom mended engine maintenance by following the storage instructions found in the Engine Owner s Manual Be sure to pro tect the fuel lines carburetor and fuel tank from gum deposits by removing fuel or by treating fuel with a fuel stabilizer follow engine manufacturer s recommendations 4 Store unit in a clean dry area 5 Never store the tiller with fuel in the fuel tank in an enclosed area where gas fumes could reach an open flame or spark or where ignition sources are present space heaters hot water heaters fur naces etc PROBLEM WARNING Before inspecting cleaning or servicing the machine shut off engine wait for all moving parts to come to a complete stop disconnect spark plug wire and move wire away from spark plug Failure to follow these instructions can result in serious personal injury or property damage TROUBLESHOOTING Before performing any troubleshooting procedures refer to the appropriate safety operating or maintenance instructions in this Manual or in the Engine Owner s Manual Contact
29. cause the tines and wheels to slow down or stop completely even though the engine is running at full speed When checking belt tension also check the belt for cracks cuts or frayed edges and replace it as soon as possible e Check belt tension after the first two hours of break in operation and after every 10 operating hours To Check Reverse Belt Tension 1 Stop engine wait for all parts to stop moving and disconnect spark plug wire 2 Remove screw in plastic belt cover and slide belt cover which is attached to for ward clutch cable out of the way 3 Have an assistant pull the Reverse Clutch Control knob all the way out and hold it in that position Measure the length of the cable wire between the end of the threaded cable adjuster A Figure 5 5 and the end of the z fitting B to which the cable wire is attached 4 The belt tension is ideal if the cable wire length measures between 1 8 to 1 4 If it is less than 1 8 and if there is no reverse action when the tiller is running then make the following adjustments NOTE If the length is more than 1 4 no adjustment is needed as long as the reverse action functions properly 5 Release the Reverse Clutch Control knob and then unthread the inner jam nut C Figure 5 6 one to two turns Pull the threaded cable adjuster A Figure 5 6 to the left until the inner jam nut C touches the bracket 6 Prevent the inner jam nut C from turning and
30. cing Tilling vertically on a slope allows maximum planting area and also leaves room for cultivating IMPORTANT When tilling on slopes be sure the correct oil level is maintained in the engine check every one half hour of operation The incline of the slope will cause the oil to slant away from its normal level and this can starve engine parts of required lubrication Keep the motor oil level at the full point at all times Tilling Up and Down Slopes Vertical Tilling To keep soil erosion to a minimum be sure to add enough organic matter to the soil so that it has good moisture holding texture and try to avoid leaving footprints or wheel marks When tilling vertically try to make the first pass uphill as the tiller digs more deeply going uphill than it does downhill In soft soil or weeds you may have to lift the handlebars slightly while going uphill When going downhill overlap the first pass by about one half the width of the tiller Terrace Gardening A WARNING Do not operate tiller on a slope too steep for safe operation Till slowly and be sure you have good footing Never permit tiller to freewheel down slopes Failure to follow this warning could result in personal injury Tilling Across Slopes Without Using Terraces Horizontal Tilling f vertical or terracing gardening aren t practical for you then you can till laterally across a slope We don t recommend this method as it can create unsure footi
31. e Sa E ee BUR M OSES eS 22 Pans Listen at Genes RR dE Sides anes ERA Eum AR UE 23 Warrany Information srs 2 ekle PE ee boda wb REPE Back Cover FINDING MODEL NUMBER This Operator s Manual is an important part of your new Rear tineTiller It will help you assemble prepare and main tain the unit for best performance Please read and understand what it says Before you start assembling your new equipment please locate the model plate on the equipment and copy the infor mation from it in the space provided below This information is very important if you need help from our Customer Support Department or an authorized dealer You can locate the model number by looking at the rear surface of the tine shield A sample model plate is explained below For future reference please copy the model number and the serial number of the equipment in the space below Copy Model Number Here Ino ET LLC Copy Serial Number Here OTROV BHT BOX 361131 py sera www troybilt com CLEVELAND OH 44136 330 558 7220 866 840 6483 ENGINE INFORMATION The engine manufacturer is responsible for all engine related issues with regards to performance power rating speci fications warranty and service Please refer to the engine manufacturer s Owner s Operator s Manual packed sepa rately with your unit for more information CALLING CUSTOMER SUPPORT If you have difficulty assembling this product or have any qu
32. e engine is not running In FREEWHEEL the wheel drive pins are placed only through the holes in the wheel shaft not the wheel hubs thus allowing the wheels to turn freely when you manually move the tiller To place the wheels in WHEEL DRIVE or FREEWHEEL 1 Stop engine disconnect spark plug wire from spark plug and allow engine to cool A WARNING Do not place tiller on its side when changing wheel drive positions Doing so could result in gasoline leaking from the fuel tank Failure to follow this instruction could result in personal injury or property damage 2 Raise one wheel about one inch off the ground and place a sturdy support under the transmission 3 Remove hairpin cotter C Figures 3 2 and 3 3 from wheel drive pin A 4 FOR WHEEL DRIVE MODE Figure 3 2 Slide wheel outward and align holes in wheel hub D Figure 3 2 and wheel shaft B Insert wheel drive pin A through wheel hub D and wheel shaft B Secure wheel drive pin with hairpin cotter C by pushing hairpin cotter in as far as it will go Repeat with the other wheel and then remove the support from beneath the transmission Figure 3 2 WHEEL DRIVE position 5 FOR FREEWHEEL MODE Figure 3 3 Slide the wheel inward and insert the wheel drive pin A Figure 3 3 only through the hole in the wheel shaft B Secure wheel drive pin with hairpin cotter by pushing hairpin cotter in as far as it will go Repeat for
33. e shut off the engine then place the two wheels in FREEWHEEL 7 To Turn the Tiller Around a Practice turning the tiller in a level open area Be very careful to keep your feet and legs away from the tines b To begin a turn lift the handlebars until the tines are out of the ground and the engine and tines are balanced over the wheels Fig 4 4 c With tiller balanced push sideways on handlebar to steer in direction of turn Fig 4 5 After turning slowly lower tines into soil to resume tilling e FEES OREL EA A us AM 3 Fig 4 4 To begin turn lift handlebars until tines are out of ground and unit is balanced Fig 4 5 With tines out of ground push handlebars sideways to turn tiller Stopping the Tiller and Engine 1 To stop the wheels and tines release the Forward Clutch Bail all models or the Reverse Clutch Control Models 634F and 634B whichever control is in use 2 To stop the engine put the ignition switch and or the throttle control lever in the or STOP position L TILLING TIPS amp TECHNIQUES Avoid pushing down on the handlebars in an attempt to force the tiller to dig deeper Doing so takes the weight off the powered wheels causing them to lose traction Without the wheels helping to hold the tiller back the tines will attempt to propel the tiller often causing the tiller to skip rapidly across the ground Sometimes slight downward press
34. e one hand yet keep a light but secure grip on the handlebar while keeping your arm loose See Fig 4 2 Let the unit move at its own pace and do not push down on the handlebars to try and force the tines to dig deeper this takes weight off the wheels reduces traction and causes the tines to try and propel the tiller A WARNING Do not push down on the handlebars to try to make the tiller till more deeply This prevents the wheels from holding the tiller back and can allow the tines to rapidly propel the tiller forward which could result in loss of control property damage or personal injury 5 For reverse motion of the wheels and tines Models 634F 634B only a Look behind and exercise caution when operating in reverse Do not till while in reverse b Stop all forward motion Lift handlebar with one hand until tines are off the ground and then pull Reverse Clutch Control knob out see Fig 4 3 To stop reversing let go of Reverse Clutch Control knob Fig 4 3 Raise tines off ground and look behind when moving in reverse 6 To move the Model 630B in reverse for short distances a Release Forward Clutch Bail Then lift handlebar until tines are off the ground b Swing the handlebar to the left so the right wheel takes a step backward Next swing the handlebar to the right so the left wheel steps backward Repeat as needed c If longer distances need to be covered in revers
35. eaches the halfway point on the drive shaft 8 Securely replace the oil fill plug B To Drain the Transmission Gear Oil The transmission gear oil does not need to be changed unless it has been contami nated with dirt sand or metal particles 1 Drain gasoline from the fuel tank or run the engine until the fuel tank is empty See DANGER statement below A DANGER Gasoline is highly flammable and its vapors are explosive Follow these safety practices to prevent personal injury or property damage from fire or explosion Allow the engine and muffler to cool for at least two minutes before draining the tiller s gasoline tank Do not allow open flames sparks matches or smoking in the area e Wipe away spills and push tiller away from spilled fuel Use only an approved fuel container and store it safely out of the reach of children Do not store gasoline in an area where its vapors could reach an open flame or spark or where ignition sources are present such as hot water and space heaters furnaces clothes dryers stoves electric motors etc 2 Drain the oil from the engine 3 Remove four screws B Figure 5 2 and remove transmission cover and gasket 4 Remove the left side wheel 5 Tilt the left side wheel shaft into a drain pan and allow the gear oil to drain through the top of the transmission 6 Reinstall the wheel T Install a new gasket do not reuse old gasket and reinstall the
36. eep for safety When on slopes slow down and make sure you have good footing Never permit the tiller to freewheel down slopes 18 Never allow bystanders near the unit 19 Only use attachments and accessories that are approved by the manufacturer of the tiller 20 Use tiller attachments and accessories when recommended 21 Never operate the tiller without good visibility or light 22 Never operate the tiller if you are tired or under the influence of alcohol drugs or medication 23 Operators shall not tamper with the engine governor settings on the machine the governor controls the maximum safe Operating speed to protect the engine and all moving parts from damage caused by overspeed Authorized service shall be sought if a problem exists 24 Do not touch engine parts which may be hot from operation Let parts cool down sufficiently 25 Please remember You can always stop the tines and wheels by releasing the Forward Clutch Bail or on Models 634F and 634B the Reverse Clutch control whichever control is engaged or by moving the ignition switch and or throttle control lever on the engine to OFF or STOP 26 To load or unload the tiller see the instructions in Section 4 of this Manual 27 Use extreme caution when reversing or pulling the machine towards you 28 Start the engine carefully according to instructions and with feet well away from the tines 29 Never pick up or carry a mac
37. el shaft only STEP 4 INSTALL FORWARD CLUTCH CABLE 1 Attach the forward clutch cable bracket P Fig 2 4 to the handlebar support with a 1 4 20 x 1 1 4 hex hd screw and 1 4 20 hex locknut S Tighten securely 2 Carefully unwrap the forward clutch cable cable without an attached knob from its shipping position and slide the thin cable wire T Fig 2 4 into the slot in the cable bracket Push the cable con nector U Fig 2 4 up through the hole in the bracket until the groove in the con nector snaps into place 3 Insert the 10 24 x 2 slotted hd screw V Fig 2 5 down through the hooked 2 Remove the hairpin cotter L Fig 2 3 end of the cable spring W until the screw and wheel drive pin M from the wheel threads extend through the spring hub 0 and wheel shaft N 3 Slide the wheel fully inward on the wheel shaft N Fig 2 3 Reinstall the wheel drive pin M through the wheel shaft only not through the wheel hub Secure the wheel drive pin with the hairpin cotter L pushing the hairpin cotter in as far as it will go The wheel should now spin freely freewheel on the wheel shaft Repeat with the other wheel 4 Use the handlebar to roll the tiller to a flat area IMPORTANT Before starting the engine the wheels must be placed in the WHEEL DRIVE position pins through wheel hubs and wheel shaft This procedure is described in Wheel Drive Pins in Section 3 Fig 2 4 Installin
38. er could tip forward Place wooden blocks on the downhill side of the wheels if you need to stop the tiller from rolling down the ramp Also use the blocks to temporarily keep the tiller in place on the ramps if neces sary and to chock the wheels in place after the tiller is in the vehicle After loading the tiller prevent it from rolling by engaging the wheels in the WHEEL DRIVE position Chock the wheels with blocks and securely tie the tiller down 17 5 Maintenance A WARNING Before inspecting cleaning or servicing the machine shut off engine wait for all moving parts to come to a complete stop disconnect spark plug wire and move wire away from spark plug Remove ignition key on electric start models Failure to follow these instructions can result in serious personal injury or prop erty damage MAINTENANCE SCHEDULE PROCEDURE Check motor oil level Clean engine Check drive belt tension Check nuts and bolts Change motor oil Lubricate tiller Service engine air cleaner system Check gear oil level in transmission Check tines for wear Check air pressure in tires if unit has pneumatic tires Service spark plug NOTES 1 Check after first 2 hours of break in operation 2 Before each use 3 Every 5 operating hours 4 Every 10 operating hours 5 Every 30 operating hours 6 Change more frequently in dusty or dirty c
39. estions regarding the controls operation or maintenance of this unit please call the Customer Support Department FD Call 1 330 558 7220 or 1 866 840 6483 to reach a Customer Support representative Please have your unit s model number and serial number ready when you call See previous section to locate this information You will be asked to enter the serial number in order to process your call For more details about your unit visit our website at www troybilt com 1 Safety This machine meets voluntary safety standard B71 8 1996 which is sponsored by the Outdoor Power Equipment Institute Inc and is published by the American National Standards Institute Reverse Clutch Control Models Forward Clutch Bail 634F 634B WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Safety Alert Symbol This is a safety alert symbol It is used in this tial hazards When you see this symbol read and obey the message that follows it Failure manual and on the unit to alert you to poten to obey safety messages could result in personal injury or property damage Training 1 Carefully read this Owner s Manual the separate Engine Owner s Manual and any other literature you may receive Be thor oughly familiar with the controls and the proper use of the tiller and its engine
40. ever be removed or fuel added while the engine is run ning Allow the engine to cool for several minutes before adding fuel c Keep matches cigarettes cigars pipes open flames and sparks away from the fuel tank and fuel container d Fill fuel tank outdoors with extreme care Never fill fuel tank indoors Use a funnel or spout to prevent spillage e Replace all fuel tank and container caps securely f If fuel is spilled do not attempt to start the engine but move the machine away from the area of spillage and avoid creating any source of ignition until fuel vapors have dissipated 7 Never make adjustments when engine is running unless recommended by manufacturer Operation 1 Do not put hands or feet near or under rotating parts 2 Exercise extreme caution when on or crossing gravel drives walks or roads Stay alert for hidden hazards or traffic Do not carry passengers 3 After striking a foreign object stop the engine remove the wire from the spark plug wire and prevent it from touching the spark plug Thoroughly inspect the machine for any damage and repair the damage before restarting and operating the machine L 4 Exercise caution to avoid slipping or falling 5 If the unit should start to vibrate abnor mally stop the engine disconnect the spark plug wire and prevent it from touching the spark plug and check imme diately for the cause Vibration is gener ally a warni
41. g forward clutch cable bracket and cable Fig 2 2 Attach handlebar 5 5HP Model shown 4 Thread the 10 24 hex nut Z Fig 2 5 halfway onto the screw V 5 Thread the screw V into the cable adjuster X 6 Hook the cable spring W Fig 2 6 into the V shaped bend in the Forward Clutch Bail Y T Check for correct tension on the for ward drive belt by taking two measure ments of the cable spring as follows a With the Forward Clutch Bail Y Fig 2 6 in an open released position mea sure the length of the cable spring W from the outermost coil to the outer most coil b Squeeze the Forward Clutch Bail against the handlebar see Fig 2 7 and re measure the spring length The belt tension is correct if this second mea surement is between 1 16 to 3 16 longer than the first measurement If so turn the hex nut 7 Fig 2 7 tightly against the cable adjuster X while pre venting the cable adjuster from turning If the spring length is incorrect you must adjust the cable tension as described in Checking and Adjusting Forward Drive Belt Tension in Section 5 Incorrect cable tension can result in belt slippage cable tension too loose or unintentional tine movement when the clutch bail is in Neutral cable tension too tight 2 7 Fig 2 6 Attach forward clutch cable spring to forward clutch bail Fig 2 5 Cable spring and adjuster Hold bail a
42. g of debris in t may be necessary to remove the debris by the tines However occasionally dry grass stringy stalks or tough vines may become tangled Follow these procedures to help avoid tangling and to clean the tines if necessary To reduce tangling set the depth regulator deep enough to get maximum chopping action as the tines chop the material against the ground Also try to till under crop residues or cover crops while they are green moist and tender While power composting try swaying the handlebars from side to side about 6 to 12 This fishtailing action often clears the tines of debris f tangling occurs lift the tines out of the soil and run the tiller in reverse if unit is equipped with powered reverse for a few feet This reversing action hand a pocket knife will help you to cut away the material Be sure to stop the engine and disconnect the spark plug wire before clearing the tines by hand A WARNING Before clearing the tines by hand stop the engine allow all moving parts to stop and disconnect the spark plug wire Remove the ignition key on electric start models Failure to follow this warning could result in should unwind a good deal of debris LOADING AND UNLOADING THE TILLER A WARNING Loading and unloading the tiller into a vehicle is potentially hazardous and we don t recommend doing so unless abso lutely necessary as this could result in personal injury or propert
43. gainst handlebar while taking second measurement of Spring Fig 2 7 To check forward belt tension take two measurements of the length of the coils in the spring first with the bail open then with the bail held against the handlebar STEP 5 INSTALL REVERSE CLUTCH CABLE MODELS 634F AND 634B ONLY 1 Unwrap the reverse clutch cable CC Fig 2 8 and Fig 2 9 from its shipping position and route it up to the handlebar Be sure that the cable is routed beneath the Forward Clutch Bail 2 Using the two self tapping screws AA Fig 2 8 secure the reverse cable mounting bracket BB to the handlebars as shown 3 Insert the cable CC Fig 2 8 through the slot in the cable bracket and position the flat side of the threaded assembly next to the flat side of the hole Slide the hex nut DD up the cable and tighten it securely 4 Fasten the reverse clutch cable to the left side handlebar with a cable tie EE Fig 2 9 5 Test the function of the reverse clutch by pulling out and releasing the cable knob The knob should return to its neu tral position resting against bracket If it doesn t contact your local dealer or the factory for technical assistance Flat Side Fig 2 8 Install reverse cable bracket and reverse clutch cable Fig 2 9 Route reverse clutch cable CC as shown Atlach with cable tie EE _ Section 2 Assembly 9 STEP 6 CHECK LEVEL OF TRANSMISSION GEAR
44. he tilling depth A WARNING e Do not attempt to till too deeply too quickly Gradually work down to deeper tilling depths e Place the Depth Regulator Lever in the travel position before starting the engine This position prevents the tines from touching the ground until you are ready to begin tilling Failure to follow this warning could result in personal injury or property damage Travel Position d Shallow Settings BN Deep Settings Figure 3 5 Depth Regulator Lever G HANDLEBAR HEIGHT ADJUSTMENT The handlebar height is adjustable to three different settings Figure 3 6 In general adjust the handlebars so they are at waist level when the tines are 3 4 in the soil To adjust the handlebars 1 Stop engine disconnect spark plug wire from spark plug and allow engine to cool 2 Remove hardware reposition handle bars and reinstall hardware securely Figure 3 6 Handlebar height adjustment 4 Operation A WARNING Before operating your machine care fully read and understand all safety Section 1 controls Section 3 and operating instructions Section 4 in this Manual in the separate Engine Owner s Manual and on the decals on the machine Failure to follow these instructions can result in serious personal injury INTRODUCTION Read this Operation Section and the sepa rate Engine Owner s Manual before y
45. hine while the engine is running Maintenance and Storage 1 Keep the tiller attachments and acces sories in safe working condition 2 Check all nuts bolts and screws at frequent intervals for proper tightness to be sure the equipment is in safe working condition 3 Never store the tiller with fuel in the fuel tank inside a building where ignition sources are present such as hot water and space heaters furnaces clothes dryers stoves electric motors etc Allow the engine to cool before storing the unit in any enclosure 4 To reduce the chances of a fire hazard keep the engine free of grass leaves or excessive grease 5 Store gasoline in a cool well ventilated area Safely away from any spark or flame producing equipment Store gaso line in an approved container safely away from the reach of children 6 Refer to the Maintenance sections of this Manual and the separate Engine Owner s Manual for instructions if the unit is to be stored for an extended period 7 Never perform maintenance while the engine is running or the spark plug wire is connected except when specifically instructed to do so 8 If the fuel tank has to be drained do this outdoors Decals Reverse Clutch Control For your safety and the safety of Forward Clutch Bail Operating Instruction others various safety and opera Operating Instruction NS P d Models 634F 634B tional decals are located on your 1 unit see
46. l Models 634F 634B only in neutral disengaged positions by releasing levers e Never run engine indoors or in enclosed poorly ventilated areas Engine exhaust contains carbon monoxide an odorless and deadly gas Avoid engine muffler and nearby areas Temperatures in these areas may exceed 1500F 3 Move the Depth Regulator Lever all the way down to the travel position so that the tines clear the ground 4 Release all controls on the tiller 5 On engine s with a fuel shut off valve turn valve to open position as instructed in the separate Engine Owner s Manual 6 Put ignition switch and or throttle con trol lever located on engine in the ON RUN FAST or START position as instructed in the Engine Owner s Manual 7 Choke or prime engine as instructed in Engine Owner s Manual 8 Put one hand on fuel tank to stabilize unit when pulling starter rope handle Then use recoil starter to start engine as instructed in the Engine Owner s Manual When engine starts gradually move choke lever if so equipped to NO CHOKE CHOKE OFF or RUN position 9 Use the FAST throttle speed setting when tilling A WARNING 54 Keep away from rotating tines Rotating tines will cause injury Stopping the Engine and Tiller 1 To stop the wheels and tines release the Forward Clutch Bail all models or the Reverse Clutch Control Models 634F and
47. n crosswise tilling then overlap the first passes by one half a tiller width followed by successive passes at one quarter width see Fig 4 8 Fig 4 8 With planning you can allow between rows to cultivate see Fig 4 9 Leave room for the hood width plus enough extra room for future plant growth Tilling wet soil often results in large hard clumps of soil that can interfere with planting If time permits wait a day or two after heavy rains to allow the soil to dry before tilling Test soil by squeezing it into a ball If it compresses too easily it is too wet to till Fig 4 6 Fig 4 7 enough room e E pt ES ME Fig 4 9 TILLING TIPS amp TECHNIQUES Power composting simply means tilling under and burying in the soil all manner of organic matter such as crop residues leaves grass clippings and cover crops This material will decompose during the non growing season and add important natural nutri ents to the soil The first place to begin is with crop residues such as leftover vines stalks stems and roots Power compost these crop residues as soon as they finish bearing The sooner this is done the better as tender green matter is easier to till under Use the deepest depth regulator setting possible without causing the engine to labor or the tiller to jump ahead Standing cornstalks of reasonable height can be power composted Pushing over but not uprooting cornstalks
48. ng and invites soil erosion As in terrace gardening start at the top of the slope and overlap the first pass by half the width of the tiller For added stability of the tiller always keep the uphill wheel in the soft newly tilled soil When a slope is too steep or too short for vertical tilling it may be necessary to till across the slope and create terraced rows Ter races are rows that are cut into the side of a slope creating a narrow but flat area on which to plant e On a long slope you can make several terraces one below the other Terraces should be only 2 to 3 feet wide Digging too far into the side of the slope will expose poor subsoil that is unproductive for plants L TILLING TIPS amp TECHNIQUES cont Terrace Gardening continued To create a terrace start at the top of the slope and work down Go back and forth across the first row as shown in Fig 4 10 12 UNTILLED os Wy REPEAT Fig 4 10 50 Each succeeding lower terrace is started by walking below the terrace you re preparing For added stability of the tiller always keep the uphill wheel in the soft newly tilled soil Do not till the last 12 or more of the downhill outside edge of each terrace This untilled strip helps prevents the terraces from breaking apart and washing downhill It also provides a walking path between rows The tines have a self clearing action which eliminates most tanglin
49. ng of trouble 6 Stop the engine disconnect the spark plug wire and prevent it from touching the spark plug whenever you leave the oper ating position before unclogging the tines or when making any repairs adjustments or inspections 7 Take all possible precautions when leaving the machine unattended Stop the engine Disconnect the spark plug wire and move it away from the spark plug Be sure that both wheels are in the Wheel Drive position 8 Before cleaning repairing or inspecting stop the engine and make cer tain all moving parts have stopped Dis connect the spark plug wire and prevent it from touching the spark plug to prevent accidental starting 9 The flap on the tine hood must be down when operating the tiller 10 Never use the tiller unless proper guards plates or other safety protective devices are in place 11 Do not run the engine in an enclosed area Engine exhaust contains carbon monoxide gas a deadly poison that is odorless colorless and tasteless 12 Keep children and pets away 13 Never operate the tiller under engine power if the wheels are in the Freewheel position In the Freewheel position the wheels will not hold the tiller back and the revolving tines could propel the tiller rapidly possibly causing loss of control Always engage the wheels with the wheel drive pins in the Wheel Drive position before starting the engine or engaging the tines wheels with the Forward Clutch B
50. o Check Forward Belt Tension 1 Stop engine wait for all parts to stop moving and disconnect spark plug wire 2 With the Forward Clutch Bail in an open released position measure and note the overall length of the cable spring A Figure 5 4 by measuring from the out ermost coil to the outermost coil 3 Squeeze the Forward Clutch Bail against the handlebar see Figure 5 4 and re measure the length of the coils The belt tension is correct if this second ENGINE measurement is between 1 16 to 3 16 longer than the first measurement 4 Ifthe spring is too short less than 1 16 the tension is too loose If the spring is too long more than 3 16 the tension is too tight 5 To adjust the length of the spring Release the Forward Clutch Bail b Unthread the hex nut C Figure 5 4 about halfway up the adjustment screw D c Unhook the top of the spring from the Forward Clutch Bail d Use pliers to prevent the adjuster B from turning and turn the slotted screw located inside the spring clockwise viewed from operator s position to increase tension on the spring Turn the screw counter clockwise to decrease tension Once adjusted reattach the spring to the Forward Clutch Bail Repeat Steps 2 and 3 to re measure the length of the spring When the second measurement is between 1 16 to 3 16 longer than the first measurement retighten the hex nut C against the top of the adjuster B D
51. onditions 7 See Engine Owner s Manual for service recommendations 8 Whichever time interval occurs first 9 Change after first 2 hours of break in operation TILLER LUBRICATION After every 10 operating hours oil or grease the lubrication points shown in Figure 5 1 and described below Use clean lubricating oil 30 weight motor oil is suitable and clean general purpose grease grease containing a metal lubricant is preferred if available Remove the wheels clean the wheel shaft A Fig 5 1 and apply a thin coating of grease to the wheel shaft Grease the back front and sides of the depth regulator lever B Fig 5 1 Remove the tines and clean the tine shaft C Fig 5 1 Use a file or sandpaper to gently remove any rust burrs or rough spots especially around holes in shaft Apply grease to ends of shaft before installing tines Oil the threads on the handlebar height adjustment screws and the handlebar attaching screws D Fig 5 1 Figure 5 1 CHECK FOR OIL LEAKS Before each use check the tiller for signs of an oil leak usually a dirty oily accu mulation either on the unit or on the floor A little seepage around a cover or an oil seal is usually not a cause for alarm How ever if the oil drips overnight then imme diate attention is needed gnoring an oil leak can result in severe transmission damage If a cover is leaking check for loose screws If the scre
52. ou start the engine Then take the time to familiarize yourself with the basic opera tion of the tiller before using it in the garden Find an open level area and prac tice using the tiller controls without the tines engaging the soil put tines in travel setting Only after you ve become completely familiar with the tiller should you begin using it in the garden BREAK IN OPERATION Perform the following maintenance after the first two 2 hours of new operation see Maintenance Section in this manual and in the Engine Owner s Manual 1 Change engine oil 2 Check for loose or missing hardware on unit Tighten or replace as needed 3 Check tension on forward drive belt 4 Check transmission gear oil level STARTING AND STOPPING THE ENGINE Pre Start Checklist With the spark plug wire disconnected from the spark plug perform the following checks and services before each use 1 Read the Safety and Controls Sections in this manual Read the separate Engine Owner s Manual provided with the unit 2 Putthe wheels in the WHEEL DRIVE position wheel pins must be through holes in wheel hubs and wheel shaft 3 Check unit for loose or missing hard ware Service as required 4 Check engine oil level See Engine Owner s Manual Reverse Clutch Control Models 634F 634B Y on each wheel Fig 4 1 5 Check that all safety guards and covers are in place 6 Check air cleaner and engine cooling system
53. pproximately 133 Ibs Do not attempt to remove it from the ship ping platform until instructed to do so in these Assembly steps 2 Remove any packaging material from the carton Remove any staples from the bottom of the carton and remove the carton from the shipping platform 3 Remove all unassembled parts and the separate hardware bag from the carton Check that you have the items listed in the Loose Parts List contact your local dealer or the factory items are missing or dam aged NOTE Use the screw length tem plate Fig 2 1 to identify screws Loose Parts List Qty Description 1 Handlebar Support see A Fig 2 2 1 Handlebar Assembly see Fig 2 2 Hardware bag contents Slotted hd screw 10 24 x 2 Hex hd screw 1 4 20 x 1 1 4 Hex hd screw 5 16 18 x 1 1 2 Hex hd screw 3 8 16 x 3 4 Flat washer 3 8 Split lockwasher 5 16 Hex locknut 1 4 20 Hex nut 5 16 18 Hex nut 10 24 Hex locknut 3 8 16 Spring cable see W Fig 2 5 Bracket forward clutch cable see P Fig 2 4 Lock Washer 3 8 Self tapping screw 1 4 20 x 1 2 1 Bracket reverse clutch cable Model 634F amp 634B only IMPORTANT Motor oil must be added to the engine crankcase before the engine is started Follow the instructions in this Assembly Section and in the separate Engine Owner s Manual NOTE LEFT and RIGHT sides of the tiller are as viewed from the operator s position behind the handlebars
54. pstick securely B To Change the Engine Oil Change the engine oil as instructed in the Engine Owner s Manual SPARK PLUG SERVICE Inspect and clean or replace the spark plug after every 100 operating hours or annually Refer to the Engine Owner s Manual for spark plug service instructions In some areas local law requires using resistor spark plugs to suppress ignition signals If the engine was originally equipped with a resistor spark plug use the same type for replacement SPARK ARRESTER SCREEN SERVICE If the engine muffler is equipped with a spark arrester screen remove and clean it according to the service intervals and instructions in the Engine Owner s Manual THROTTLE LEVER ADJUSTMENT If the engine does not respond to various throttle lever settings refer to the Engine Owner s Manual for service information or contact your local authorized engine dealer A WARNING Operators shall not tamper with the engine governor settings on the machine the governor controls the max imum safe operating speed to protect the engine and all moving parts from damage caused by overspeed Autho rized service shall be sought if a problem exists CARBURETOR GOVERNOR CONTROL ADJUSTMENTS The carburetor was adjusted at the factory for best operating speed Refer to the Engine Owner s Manual for any adjust ment information or see your authorized engine dealer The governor controls the maximum safe operating speed
55. rds you Look behind to avoid obstacles Never attempt to till in reverse Failure to follow this warning could result in personal injury or property damage To operate the Reverse Clutch Control 1 Put wheels in WHEEL DRIVE position see WARNING statement at the left 2 Stop all tiller motion by releasing the Forward Clutch Bail 3 Lift the handlebar until the tines clear the ground look behind you to avoid any obstacles and then pull the control knob F Figure 3 4 out The wheels and tines will rotate in a reverse direction 4 Release the control knob to disengage stop the wheels and tines the engine will continue to run NF NNE Figure 3 4 All models have a Forward Clutch Bail E Only Models 634F 634B have a Reverse Clutch Control F DEPTH REGULATOR LEVER This lever G Figure 3 5 controls the tilling depth of the tines Pull the lever back and slide it up or down to engage the notched height settings The travel position highest notch raises the tines approximately 1 1 2 off the ground allowing the tiller to be moved without the tines contacting the ground This setting should also be used when starting the engine Moving the lever upward will increase the tilling depth The lowest notch allows a tilling depth of approximately 6 depending on soil conditions For best results always begin tilling at a very shallow depth setting and gradually increase t
56. ter The following items are not covered after the first year of this residential use limited warranty belts batteries bushings seals tines tires wheels paint appearance items and similar items that are nor mally replaced through periodic maintenance Charges for pick up delivery and service calls are not covered by this warranty Service completed by someone other than an authorized service dealer is not covered by this warranty Parts that are not genuine Troy Bilt LLC service parts are not covered by this warranty The engine is warranted separately by the engine manufacturer Refer to the engine manufacturer s warranty for terms and conditions LIMITED If used for commercial institutional industrial rental or demonstrator purposes the COMMERCIAL warranty on the tiller is limited in duration to 90 days from the date of purchase USE WARRANTY This warranty does not apply to parts that have been damaged by accident alteration misuse abuse neglect improper maintenance vandalism theft fire water or damage because of peril or other natural disaster HOW TO OBTAIN Warranty service is available with proof of purchase through your local authorized SERVICE service dealer To locate a dealer in your area consult your Yellow Pages or contact Troy Bilt LLC at P O Box 361131 Cleveland Ohio 44136 0019 1 866 840 6483 or log on to our Web site at www troybilt com The provisions set forth in this warranty provide the
57. the operation of the controls and feel confi dent with each of them ENGINE CONTROLS Refer to the engine manufacturer s Engine Owner s Manual included in the tiller liter ature package to identify the controls on your engine IMPORTANT The control for stopping the engine is located on the engine WHEEL DRIVE PINS Each wheel is equipped with a wheel drive pin A Figures 3 2 and 3 3 that secures the wheel to the wheel shaft B The wheels can be positioned in either a WHEEL DRIVE or a FREEWHEEL mode A WARNING Never allow either of the wheels to be in the FREEWHEEL position when the engine is running Always put both wheels in the WHEEL DRIVE position before starting the engine Failure to comply could cause loss of tiller control property damage or per sonal injury Before starting the engine put both wheels in the WHEEL DRIVE position by inserting the wheel drive pins through the wheel hubs and the wheel shaft Doing so locks the wheels to the wheel shaft causing the wheels to turn when either the Forward Clutch Bail TIU Reverse Clutch Control Models 634F 634B Handlebar Height Adjustment Wheel Drive Pin on each wheel Figure 3 1 Tiller features and controls 5 5HP Model shown See separate Engine Owner s Manual to identify engine controls Forward Clutch Bail all models or the Reverse Clutch Control Models 634F and 634B is engaged Use the FREEWHEEL mode only when th
58. the engine throttle lever at a speed to give the engine adequate power and yet allow it to operate at the slowest possible speed at least until you have achieved the maximum tilling depth you desire Faster engine speeds may be desirable when making final passes through the seedbed or when cultivating Selection of the correct engine speed in relation to the tilling depth will ensure a sufficient power level to do the job without causing the engine to labor While tilling relax and let the wheels pull the tiller along while the tines do the dig ging Walk on the side that is not yet fin ished to avoid making footprints in the freshly tilled soil and lightly but securely grip the handlebar with just one hand Whenever possible walk on the untilled side of the unit to avoid making footprints in your freshly tilled or cultivated soil Footprints cause soil compaction that can hamper root penetration and contribute to soil erosion They can also plant unwanted weed seeds back into the freshly tilled ground When preparing a seedbed go over the same path twice in the first row then overlap one half the tiller width on the rest of the passes see Fig 4 6 When finished in one direction make a second pass at a right angle as shown in Fig 4 7 Overlap each pass for best results in very hard ground it may take three or four passes to thoroughly pulverize the soil elf the garden size will not permit lengthwise and the
59. transmission COVer 8 Refill the transmission using GL 4 gear oil SAE 85W 140 or SAE 140 9 Refill the engine with motor oil and replenish the fuel tank with gasoline BOLO TINES The bolo tines will wear with use and should be inspected at the beginning of each tilling season and after every 30 operating hours The tines can be replaced either individually or as a com plete set See the Parts List pages for tine identification and part numbers Tine Inspection With use the tines will become shorter narrower and pointed Badly worn tines will result in a loss of tilling depth and reduced effectiveness when chopping up and turning under organic matter B Removing Installing a Single Tine 1 With the engine shut off and the spark plug wire disconnected remove the two screws A Figure 5 3 lockwahers E and nuts B that attach a single tine to a tine holder If needed use penetrating oil on the nuts 2 When installing a single tine be sure to position it so that its cutting edge sharp Will enter the soil first as the tiller moves forward C Removing Installing a Tine Assembly 1 Atine assembly consists of eight tines mounted on a tine holder 2 If removing both tine assemblies mark them left and right before removal Remove the screw C Figure 5 3 lock washer E and locknut D that secure the tine assembly to the tine shaft If neces sary use a rubber mallet to tap the tine assembl
60. ure on the handlebars will help get through a particularly tough section of sod or unbroken ground but in most cases this won t be necessary A WARNING Before tilling contact your tele phone or utilities company and inquire if underground equipment or lines are used on your property Do not till near buried electric cables telephone lines pipes or hoses Avoid trying to dig too deeply too quickly especially when busting sod or when tilling soil that hasn t been tilled for some time Use shallow depth regulator settings only an inch or two deep for the first passes through the soil With each succeeding pass dig another inch or two deeper Watering the area a few days prior to tilling will make tilling easier as will letting the newly worked soil set for a day or two before making a final deep tilling pass e When cultivating breaking up surface soil around plants to destroy weeds see Fig 4 9 adjust the tines to dig only 1 to 2 deep Using shallow tilling depths helps prevent injury to plants whose roots often grow close to the surface If needed lift up on the handle bars slightly to prevent the tines from digging too deeply Cultivating on a regular basis not only eliminates weeds it also loosens and aerates the soil for better moisture absorption and faster plant growth With experience you will find the just right tilling depth and tilling speed combination that is best for your garden Set
61. ws are tight a new gasket or oil seal may be required If the leak is from around a shaft and oil seal the oil seal probably needs to be replaced See your authorized dealer or contact the factory for service or advice IMPORTANT Never operate the tiller if the transmission is low on oil Check the oil level after every 30 hours of operation and whenever there is any oil leakage CHECK HARDWARE Check for loose or missing hardware after every 10 operating hours and tighten or replace as needed before reusing tiller Be sure to check the screws underneath the tiller hood that secure the transmission cover and the Depth Regulator Lever to the transmission CHECK TIRE PRESSURE Models with pneumatic tires Check the air pressure in both tires The air pressure should be between 15 20 PSI pounds per square inch Keep both tires equally inflated to help prevent machine from pulling to one side TRANSMISSION GEAR OIL SERVICE Check the transmission gear oil level after every 30 hours of operation or whenever you notice any oil leak Operating the tiller when the transmission is low on oil can result in severe damage A To Check the Transmission Gear Oil Level 1 Check the gear oil level when the trans mission is cool Gear oil will expand in warm operating temperatures and this expansion will provide an incorrect oil level reading 2 With the tiller on level ground pull the Depth Regulator Lever all the way
62. y damage However if you must load or unload the tiller follow the guidelines given next Before loading or unloading stop the engine wait for all parts to stop moving disconnect the spark plug wire and let the engine and muffler cool The tiller is too heavy and bulky to lift safely by one person Two or more people should share the load personal injury Use sturdy ramps and manually engine shut off roll the tiller into and out of the vehicle Two or more people are needed to do this e The ramps must be strong enough to support the combined weight of the tiller and any handlers The ramps should pro vide good traction to prevent slipping they should have side rails to guide the tiller along the ramps and they should have a locking device to secure them to the vehicle e The handlers should wear sturdy footwear that will help to prevent slipping Position the loading vehicle so that the ramp angle is as flat as possible the less incline to the ramp the better Turn the vehicle s engine off and apply its parking brake When going up ramps stand in the normal operating position and push the tiller ahead of you Have a person at each side to turn the wheels When going down ramps walk backward with the tiller following you Keep alert for any obstacles behind you Position a person at each wheel to control the speed of the tiller Never go down ramps tiller first as the till
63. y outward off the shaft 3 Before reinstalling the tine assembly inspect the tine shaft for rust rough spots or burrs Lightly file or sand as needed Apply a thin coat of grease to the shaft 4 Install each tine assembly so that the cutting sharp edge of the tines will enter the soil first when the tiller moves forward Secure the tine assembly to the tine shaft using the screw and locknut previously removed WARNING Before inspecting cleaning or servicing the machine shut off engine wait for all moving parts to come to a complete stop disconnect spark plug wire and move wire away from spark plug Failure to follow these instructions can result in serious personal injury or property damage Figure 5 3 Install tines so that cutting edge of tines enter soil first when tiller moves forward CHECKING AND ADJUSTING FORWARD DRIVE BELT TENSION It is important to maintain correct tension on the forward drive belt A loose belt will cause the tines and wheels to slow down or stop completely even though the engine is running at full speed A too tight belt can result in unintentional tine move ment when the clutch bail is in the Neutral released position e Check belt tension after the first two hours of break in operation and after every 10 operating hours At the end of each tilling season check the belt for cracks cuts or frayed edges and replace it as soon as possible T
64. your tiller The information is the most current at the time this manual was printed Contact your authorized dealer or the factory for current information BUMPER The tubular steel bumper surrounds the engine to protect the air cleaner starter assembly and fuel tank from damage OEM 290 256 fits Tuffy OEM 290 254 fit Bronco FRAME WEIGHTS Solid steel weights attach to the sides of the tiller frame to provide added traction to the wheels OEM 290 265 fits Tuffy Bronco amp Super Bronco M odels 634F 634B and 630B DRAWING NO 1 REF PART REF PART No No DESCRIPTION No No DESCRIPTION QTY 1 710 0599 Hex Hd Flange Screw Self Tapping 10 GW 9534 1 1 4 20 x 1 2 2 11 710 0597 Hex Hd Screw 1 4 20 x 1 1 3 777530649 Decal Hood 1 12 712 0291 Hex Lock Nut 1 4 20 1 5 1904572 Tine Hood Incl tine flap and 13 GW 55013 2 Hood Bracket Right Hand 1 Ref 9 A en 1 14 6GW 55013 1 Hood Bracket Left Hand 1 1917594 Tine Hood Incl tine flap and 15 736 0119 Lock washer 5 16 2 Ref 3 B 1 16 1186331 Hex Hd Flange Screw 5 16 18x 1 2 6 710 3039 Hex Hd Screw 5 16 18 x 1 2 2 17 712 3009 Hex Nut 5 16 18 2 7 712 3004 Hex Flange Lock Nut 5 16 1

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