Troy-Bilt Super Bronco 634A, Operator'S Manual

Page 1: ... is equipped with a spark attester 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 availabl...

Page 2: ...C P O BOX 361131 www troybilt com CLEVELAND OH44136 330 558 7220 1 800 520 552_ Copy the model number here Copy the serial number here CUSTOMER SUPPORT Please doNOTreh m the l nit to theretailer withoutfirstcontactingCustomer Support If you have difficulty assembling this product or have any questions regarding the controls operation or maintenance of this unit you can seek help from the experts C...

Page 3: ...th wheels arein the Wheel Drive po sition before starting the engine 3 Donot operatethe tiller without wearing adequateouter garments Avoid loose gar ments or jewelry that could get caught in moving parts 4 Do not operatethe tiller when barefoot or wearing sandals sneakers or light foot wear Wear protective footwear that will improve footing on slippery surfaces 5 Do not till nearunderground elect...

Page 4: ...by releasing whichever clutch controlis engaged Do not attemptto restrainthe tiller 15 Do not overloadthe tiller s capacityby attempting to till too deeply at too fast a rate 16 Neveroperate the tiller at high trans port speeds on hard or slippery surfaces Look behind and use care when backing up 17 Donot operatethe tiller on aslope that is too steep for safety When on slopes slow down and makesur...

Page 5: ... 1 2 Locationof safety and operatingdeca s OperatingSymbols Various symbols shown here with worddescriptions may heused onte dllerand engine NOTE Your unit may nothave allof_esymbds FAST SLOW STOP I 1 I 1 R CHOKE CHOKE REVERSE ON OFF ROTATING TINES TILLERDIRECTION LEVERDIRECTION BAIL ENGAGED BAIL DISENGAGED TO AVOID SERIOUS INJURY READTHEOWNER SMANUAL KNOWLOCATIONS AND FUNCTIONSOFALLCONTROLS KEEPA...

Page 6: ...isted in the Loose Parts List contactyour local dealer or the factory items are missing or dam aged NOTE Use the screw length template Fig 2 1 to identify screws LooseParts List Qty Description 1 HandlebarSupport seeA Fig 2 2 1 HandlebarAssembly seeK Fig 2 2 Hardwarebag contents 4 Hexhd screw 5 16 18 x 1 1 2 2 Hexhd screw 3 8 16 x 3 4 2 FlatWasher 3 8 4 Split lockwasher 5 16 4 Hex nut 5 16 18 2 He...

Page 7: ...hrough the spring W Fig 2 5 3 Threadthe screw V into the cable ad juster X Fig 2 2 Attachhandlebar 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 hairpincotter in as far as it will go The wheel should now spin freely freewheel on the wheel shaft Repeat with the other wheel 4 Usethe handlebarto roll the tiller to a...

Page 8: ...adjuster W Fig 2 6 Attachforward clutchcable spring to forwardclutch bail iiiiiiiiiiiiiiii Fig 2 7 Tocheckforwardbelt tension take two measurementsof thelengthof the coils inthe spring first withthebail open then withthe bail held against thehandlebar STEP 5 INSTALL REVERSECLUTCH CABLE MODEL 634A ONLY 1 Unwrapthe reverseclutch cable CC Fig 2 8 and Fig 2 9 from its shipping po sition and route it u...

Page 9: ...ine damagewill result if the engineis run with out oil 1 Referto the separateEngineOwner s Manual for engine oil specifications and capacities 2 With the tiller on levelground movethe Depth RegulatorLever FF Fig 2 1O up or down until the engine is level 3 Add motor oil as describedin the En gine Owner s Manual 4 Movethe DepthRegulator Lever all the way down until the highest notch is en gaged This...

Page 10: ...s andthe wheel shaft Doingso locks the wheels to the wheel shaft causing the wheelsto turn when either the Figure 3 1 Tiller features and controls See separateEngineOwner s Manual to identify engine controls Forward Clutch Bail all models or the Re verse Clutch Control Model 634A is en gaged Usethe FREEWHEEL mode only when the engineis not running in FREEWHEEL the wheel drive pins are placed only ...

Page 11: ...gure 3 5 controls the till 3 Releasethe clutch bail to disengage ing depth of the tines Pullthe lever back stop the wheels andtines the enginewill and slide it up or down to engagethe continue to run notched height settings REVERSE CLUTCHCONTROL The travel position highestnotch raises Model 634A only the tines approximately1 1 2 off the ground allowing the tiller to be moved The ReverseClutch Cont...

Page 12: ...ns can result in serious personal injury and property damage 7 Fill the fuel tank with gasoline according to the directions inthe 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 _ WARNING Donot attempt to engagethe tines or wheels until you have...

Page 13: ...es the tines to try and propel the tiller _ WARNING Donotpush down onthe handlebarsto try to makethe tiller till more deeply This prevents the wheelsfrom holding the tiller backand can allow the tines to rapidly propelthe tiller forward which could resultin loss of control property damage or personal injury 5 For reverse motion of the wheelsand tines Model 634A only a Look behindand exercisecautio...

Page 14: ...llow it to operateat the slowestpossiblespeed atleast until you haveachievedthe maximumtilling depth you desire Fasterenginespeedsmaybe desirablewhen makingfinal passesthrough the seedbedor whencultivating Selectionof the correct enginespeed in relationto the tilling depth will ensurea sufficientpower levelto do the jobwithout causingthe engineto labor Letthe Tiller Dothe Work Whiletilling relaxan...

Page 15: ...oundwherefooting is difficult reviewsafe ty rulesin Section1 Safetyof this manual 2 We recommendtilling up and down slopes ratherthan terracing Tilling vertically on a slopeallows maximumplantingareaandalso leavesroomfor cultivating IMPORTANT Whentilling onslopes besurethe correct oil levelis maintainedin the engine checkeveryone half hour of operation The inclineof the slopewill causethe oil to s...

Page 16: ...G THE TILLER WARNING Loadingand unloading the tiller into a vehicleis potentially hazardous andwe don t recommend doing so unlessabsolutely necessary asthis could result in personal injury or property damage However if you must load or unloadthe tiller follow the guidelines given next Before loading or unloading stop the en gine wait for all parts to stop moving disconnect the spark plug wire and ...

Page 17: ... D Fig 5 1 Figure 5 1 CHECKFOR OIL LEAKS Beforeeach use checkthe tiller for signs of an oil leak usually a dirty oily accumu lation either on the unit or on the floor A little seepagearound a cover or an oil seal is usually not a causefor alarm How ever if the oil drips overnight then imme diate attention is needed Ignoring an oil leak can result in severetransmission damage 17 If acover is leakin...

Page 18: ...ld reach an open flame orspark orwhere ignitionsourcesare present suchas hot water and space heaters furnaces clothes dryers stoves electric motors etc 2 Drain the oil from the engine 3 Removefour screws B Figure5 2 and removetransmissioncoverandgasket 4 Removethe left side wheel 5 Tilt the left side wheel shaft into a drain panand allow the gearoil to drainthrough the top of the transmission 6 Re...

Page 19: ... C Figure 5 4 halfway up the adjustment screw D c Unhookthe top of the spring from the Forward Clutch Bail d Usepliers to preventthe adjuster B from turning andturn the slotted screw lo cated inside the spring clockwise viewed from operator sposition to increaseten sion onthe spring Turn the screw counter clockwise to decreasetension Once adjusted reattachthe spring to the For ward Clutch Bail e R...

Page 20: ...two turns Pull the threaded cable adjuster A Figure 5 6 to the left until the innerjam nut C touches the bracket 6 Preventthe inner jam nut C from turn ing and tighten the outer jam nut D againstthe bracket Preventthe outer jam nut D from turning and tighten the inner jam nut C againstthe bracket 7 Measurethe gap by repeating Step 3 Readjust as neededby repeating Steps 5 and 6 8 Reinstall the belt...

Page 21: ...eOwner sManual THROTTLELEVERADJUSTMENT If the engine does not respond to various throttle lever settings refer to the Engine Owner sManual for service information or contact your local authorized engine deal er WARNING Operators shall not tamper with the engine governor settings onthe machine the governor controls the maximum safeoperating speedto protect the engineand all moving partsfrom damage ...

Page 22: ...lt loose in transmission pulley 1 Wheel Drive Pins not in WHEEL DRIVE 2 Bolt loose in transmission pulley 3 Internal transmission wear or damage 1 Tine holder mounting hardware missing 2 Bolt loose in transmission pulley 3 Internal transmission wear or damage 1 Worn tines 2 Improper Depth Regulator setting 3 Incorrectthrottle setting 4 Forward Drive Beltslipping CORRECTION Reconnectwire 2 Put leve...

Page 23: ... Lock Nut 5 16 18 B FlangeLock Nut 5 16 18 A Support Bracket Lock Washer 5 16 B Hood Bracket Left Hand Hood Bracket Right Hand Drag Bar REF NO 13 14 15 16 17 18 19 20 21 22 23 24 PARTNO GW 55018 686 04041 686 04043 GW 55088 GW 9384 GW 9534 710 04048 786 04191 618 04000 618 04254 1916570 1916771 710 0395 736 0275 A ForModel630C B ForModel634A DESCRIPTION Depth Regulator Lever Tine HoodAssembly B Ti...

Page 24: ...MODELS 630C 634A 5 15 2O 17 22 I 16 12 18 6 14 18 23 24 ...

Page 25: ...tch CableAssembly Forward Clutch Screw Self Tapping I 4 20 x 1 2 Screw Hex 5 16 18 x 3 4 HexLock Nut 5 16 18 HandlebarSupport Lower Handlebar Panel Tab Conduit Mount Screw 10 24 x 2 CableTie FlatWasher 3 8 Bracket ReverseClutch Cable B Spring Forward Clutch HexHd Screw 1 4 20 x 1 1 4 Screw Hex 3 8 16 x 3 4 Screw Hex 5 16 18 x 1 1 2 HexNut 10 24 HexLock Nut 1 4 20 HexNut 3 8 16 LockWasher 5 16 REF ...

Page 26: ...4 GW 1325C SnapRing Drive Shaft Bearing Cup Support Washer Rear Drive Shaft B Drive Shaft A Drive Shaft Bearing Cone Shim Rear BearingCap 010 thick Shim same as above except 030 thick Shim same as above except 005 thick Shim same as above except 062 thick Shim Set Incl the following shims two 1224 1 two 1224 2 one 1224 4 required to obtain between O05 and 015 allowable end play 26 ...

Page 27: ...88 GW 9305 GW 1132 2 1904278 711 04078 GW 1104 1904279 1916542 Retainer Snap Ring E Type Retainer Snap Ring Shim 0 062 thick Shim 0 030 thick Shim 0 015 thick Shim 0 010 thick Shim 0 005 thick BronzeBushing Wheel Shaft B Wheel Shaft A Key Hi Pro 1 4x 1 Spacer Worm Gear Wheel Shaft Tiller Shaft Woodruff Key Worm Gear Tiller Shaft B Worm Gear Tiller Shaft A required to obtain between O05 and 030 all...

Page 28: ...ION REF NO Plug Transmission Oil Fill 8 Hex Hd FlangeScrew 5 16 18 x 5 8 Gr 5 9 Lock Washer 5 16 10 RearCover Transmission 11 Front Cover Transmission 12 Gasket Housing Cover 13 Oil Seal Drive Shaft 14 PARTNO 721 04031 619 04013 721 04036 736 3008 718 04008 710 04048 710 3008 DESCRIPTION OilSeal WheelShaft Transmission Housing Assembly OilSeal TineShaft Washer Flat 344 x 750x 120 RearBearing Cap H...

Page 29: ...47 1915075 7 1917487 DESCRIPTION HexHd Screw 3 8 16 x 1 Grade5 Single Bolo Tine Left Hand A B HexLock Nut 3 8 16 HexHd Screw 3 8 16 x 1 3 4 Single BoloTine Right Hand A B Tine Holder B Tine Holder A Wheel Tire Ass y Left Right Side B REF PARTNO NO 734 04162 8 734 04161 9 GW 9380 10 GW 9338 11 712 04065 GW 1901 DESCRIPTION Wheel Tire Ass y Left Side Only A Wheel Tire Ass y Right SideOnly A Clevis P...

Page 30: ...MODELS 630C 634A 24 3O ...

Page 31: ...ssion Pulley A Pulley Reverse Idler B Guard Belts Pulleys ForwardDrive Belt ReverseDrive Belt B Belt Cover ReverseReturn Spring B ReverseBelt Guide B ForwardBelt Guide EngineBracket Left EngineBracket Right Bracket Belt Cover ShoulderWasher ReverseIdler Arm B Forward Idler Lever HexHd Screw 5 16 24 x 1 HexHd Screw 5 16 24 x 5 8 HexHd Screw 5 16 18 x 1 HexHd Screw 5 16 18 x 5 8 HexHd Screw 3 8 16 x...

Page 32: ...USE WARRANTY If used for commercial institutional industrial rental or demonstrator purposes the warranty on the tiller is limited in duration to 90 days from the date of purchase 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 ...