Troy-Bilt Bronco 634F, Operator'S Manual

Page 1: ...rrester 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 through your nearest engi...

Page 2: ... plate is explainedbelow For future reference pleasecopy the model number andthe serial number of the equipment inthe spacebelow O TRII_BILT _ __ _ _ _ www troybilt com CLEVELAND OH44136 330 558 7220 866 840 648_ Copythe model numberhere Copythe serial numberhere ENGINEINFORMATION Theengine manufacturer is responsiblefor all engine related issueswith regardto performance power rating specification...

Page 3: ...ind that the operator or user is responsiblefor accidents or hazardsoc curring to other people their property and themselves Preparation 1 Thoroughly inspect the area where the tiller is to be used and removeall foreign objects 2 Be sure all tiller controls are released andboth wheelsare in the Wheel Drive po sition before starting the engine e Replaceall fuel tank and container caps securely f If...

Page 4: ...stopthe tinesand wheels byreleasing whichever clutchcontrolis engaged Do not attemptto restrainthe tiller 15 Do not overloadthe tiller s capacity Dy attempting to till too deeply at too fast a rate 16 Neveroperatethe tiller at high trans port speeds on hard or slippery surfaces Look behindand use care when backing up 17 Do not operatethe tiller ona slopethai is too steepfor safety When on slopes s...

Page 5: ...Surfaces Warning Figure1 2 Location of safety andoperating decals OperatingSymbols w_s _bo_ shown r_re _ _crd_ may be used onthe llera_lmgine NOTE Your_mayr_thavealiof_s_ I I Itl R CHOKE CHOKE REVERSE ON OFF ROTATING TINES FAST SLOW o STOP TILLERDIRECTION LEVERDIRECTION BAIL BAIL ENGAGED DISENGAGED TO AVOID SERIOUS INJURY READTHEOWNER SMANUAL KNOWLOCATIONS AND FUNCTIONSOFALLCONTROLS KEEPALLSAFETYD...

Page 6: ... Figure 2 1 To identify length ofscrews place screw ontemplate asshown andmeasure dis tance between bottom ofscrew headandtipof scrBw STEP 2 ATTACH HANDLEBAR 1 Looselyattach the legs of the handlebar support A Fig 2 2 to the inner sides of the tiller frame using two 3 8 16x 3 4 hex hd screws B 3 8 flat washers C 3 8 lock washers GG _ and 3 8 16 hex lock nuts D_ 2 Therearethree height adjustment ho...

Page 7: ...able spring W until the screw Fig 2 2 AHach handlebar threads extendthrough the spring 2 Removethe hairpin cotter L Fig 2 3 and wheel drive pin M from the wheel hub 0 and wheel shaft N 3 Slidethe wheelfully inward onthe wheel shaft N Fig 2 3 Reinstallthe wheel drive pin M through the wheel shaft only not through the wheel hub Securethe wheel drive pin with the hairpin cotter L pushing the hairpinc...

Page 8: ...the reverseclutch cable CC Fig 2 8 and Fig 2 9_from its shipping po sition and route it up to the handlebar Be sure that the cable is routed beneaththe in Checkingand Adjustin_ Forward Drive Forward Clutch Bail Belt Tensionin Section 5 Incorrect cable tension can result in belt slippage Icable tension too IooseL or unintentional tine movement when the clutch bail is in Neu tral Icable tension too ...

Page 9: ...sult 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 10 up or down until the engine is level 3 Add motor oil as described in the En gine Owner sManual 4 Movethe Depth RegulatorLeverall the way down until the highest notch is en gaged This placesthe tines i...

Page 10: ... and the wheel shaft Doing so locks the wheels to the wheel shaft causingthe wheelsto turn when either the Figure3 1 Tillerfeatures andcontrols Seeseperate Engine Owner s Manualtoidentify engine controls Forward Clutch Bail all models or the Re verseClutch Control Models 634F and 634B is engaged Usethe FREEWHEEL mode only when the engineis not running In FREEWHEEL the wheel drive pins are placed o...

Page 11: ...re3 5 controls the till 3 Releasethe clutch bail to disengage ing depth of the tines Pull the lever back stop the wheelsandtines the enginewill and slide it up or down to engagethe continue to run notched height settings REVERSE CLUTCHCONTROL The travel position highest notch raises Models 634F 634B only the tines approximately1 1 2 off the ground allowing the tiller to be moved The ReverseClutch ...

Page 12: ... result in serious personal injury and property damage 7 Fillthe fuel tank with gasolineaccording to the directions in the separate Engine Owner sManual Followall instructions and safety rules carefully 8 Attach spark plug wire to spark plug Starting theEngine Thefollowing steps describe how to start and stop the engine WARNING Do not attempt to engagethe tines or wheels until you havereadall of t...

Page 13: ...opel the tiller WARNING Do not push down onthe handlebarsto try to makethe tiller till more deeply This preventsthe wheelsfrom holding the tiller backand canallow the tines to rapidly propelthe tiller forward which could result in loss of control property damage or personal injury 5 For reversemotion of the wheelsand tines Models 634F 634Bonly a Look behindand exercisecaution when operating in rev...

Page 14: ...to give the engineadequatepowerandyetallow it to operateat the slowestpossiblespeed atleast until you haveachievedthe maximumtilling depthyou desire Fasterenginespeedsmaybedesirablewhen makingfinal passesthrough the seedbedor whencultivating Selectionof the correct enginespeed in relationto the tilling depth will ensureasufficient power levelto dothe jobwithout causingthe engineto labor Let theTil...

Page 15: ...herefootingis difficult I reviewsafe ry rules in Section1 Safetyof this manua U 2 We recommendtilling upand clownslopes ratherthan terracing Tilling verticallyon a slopeallowsmax_murrplantingareaand also leavesroom for cultivating IMPORTANT Whentilling on slopes besurethe correct oil levelis maintainedinthe engine checkeveryone halfhour of oeeratlonL Theinclineof the sloeewl causerne el to slant a...

Page 16: ... manually engine tiller aheadof you Havea person at each THETILLER shut off roll the tiller into and out of the side to turn the wheels vehicle Two or more peopleare neededto When going down ramps walk back _ WARNING Loadingand do this ward with the tiller following you Keep unloadingthe tiller into a The ramps must be strong enough to alert for any obstacles behindyou Posi vehicle is potentially ...

Page 17: ...the leak is from around a shaft and oil seal the oil seal probably needsto be replaced Seeyour authorizeddealeror contact the factory for service or advice IMPORTANT Neveroperate the tiller if the transmission is low on oil Check the oil level after every30 hours of operation and wheneverthere is any oil leakage CHECK HARDWARE Checkfor loose or missing hardwareaf ter every 10 operatinghours and ti...

Page 18: ...or smokinginthe area Wipe awayspills and pushtiller away fromspilled fuel Use only an approved fuel container the Parts Lisl pagesfor tine identification and part numbers A Tine Inspection With use the tines will becomeshorter narrower and pointed Badlyworn tines will result in a loss of tilling depth and re duced effectivenesswhen chopping up andturning under organic matter B Removin_nstalling a ...

Page 19: ... move ment when the clutch bail is inthe Neutral released position Check belt tension after the first two hours of break in operationand after every 10operating hours At the end of eachtilling season check the belt for cracks cuts or frayed edges and replace it as soon as possible ToCheckForwardBeltTension 1 Stop engine wait for all partsto stop mowng anddisconnect spark plug wire 2 With the Forwa...

Page 20: ... 6 oneto two turns Pull the threaded cableadjuster A Figure 5 6 to the left until the innerjam nut C touches the bracket 6 Preventtheinnerjam nut C fromturn 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 Readjustas neededby repeating Steps 5 and 6 8 Reinstall the ...

Page 21: ...neOwner s Manual THROTTLELEVERADJUSTMENT If the enginedoes not respond to various throttle lever settings refer to the Engine Owner sManualfor service information or contact your local authorized enginedeal er WARNING Operators shall not tamper with the engine governor settings on the machine the governor controls the maximum safeoperating speedto protect the engineand all moving partsfrom damage ...

Page 22: ... in WHEEL DRIVE 2 Boltloose in transmission Ju ey 3 Internal transmission wear or damage Wheels Torn but Tines Don t 1 Tine holder mounting hardware missing 2 Bolt loose in transmission pulley 3 Internal transmission wear or damage Poottilling performance 1 Worn tines CORRECTION 1 Recom ect wire 2 Pet lever in STARToosition 3 Add feel 4 See Engine Owner s Manua 5 Drain fneiand add fresh fuel 6 Cle...

Page 23: ... x 1 2 HexHd Screw 5 16 18x 1 1 4 HexHd Screw 5 16 18x 1 2 HexLockNut 1 4 20 HexFLange LockNut 5 16 18 HexNut 5 16 18 LockWasher 5 16 HoodBracket LeftHand HoodBracket RightHand REF NO 12 13 14 15 16 17 18 19 2O PARTNO GW 55015 GW 55018 1916623 GW 55024 GW 55088 GW 9384 GW 9534 710 04048 618 04000 618 04001 1916569 DESCRIPTION DragBar DepthRegulator Lever TineHoodAssembly B C TineHoodAssembly A Bus...

Page 24: ...MODELS 630C 634F 634B 2 20 13 18 2O 16 22 25 7 20 18 24 ...

Page 25: ...bleAssembly 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 C 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 PART...

Page 26: ...W 13250 PARTNO DESCRIPTION SnapRing Bearing Tapered Roller withrace SupportWasher Rear Drive Shaft A B C Shim RearBearing Cap 010 thick Shim sameasabove except 030 thick Shim sameasabove except 005 thick Shim sameasabove except 062 thick ShimSet IncLthefollowingshims two 1224 1 two1224 2 one 1224 4 Useas required to obtainbetween 005 and 015 allowable end play 26 ...

Page 27: ...05 GW 1132 2 1904278 711 04078 GW 1104 1904279 6 7 8 9 10 11 7 4 3 DESCRIPTION Retainer SnapRing E Type Retainer SnapRing Shim 0 062 thick Shim 0 030 thick Shim 0 015 thick Shim 0 010 thick Shim 0 005 thick Bronze Bushing WheelShaft B C WheelShaft A Key Hi Pro 1 4x 1 Spacer WormGear WheelShaft TillerShaft WoodruffKey WormGear TillerShaft Useas required to obtain between 005 and 030 allowable end p...

Page 28: ... Transmission OilFill HexHd Flange Screw 5 16 18x 5 8 G r 5 LockWasher 5 16 RearCover Transmission FrontCover Transmission Gasket Housing Cover OilSeal DriveShaft REF PARTNO NO 8 721 04031 9 619 04013 10 721 04036 11 736 3008 12 714 04008 13 710 04048 14 710 3008 DESCRIPTION Oil Seal Wheel Shaft Transmission Housing Assembly Oil Seal Tine Shaft Washer Flat 344 x 750 x 120 RearBearing Cap HexHd Fla...

Page 29: ... B C HexLockNut 3 8 16 HexHd Screw 3 8 16x 1 3 4 SingleBoloTine LeftHands A B C TineHolder B C TineHolder A Wheel TireAss y Left RightSide B Wheel TireAss y Left RightSide C Wheel TireAss y LeftSideOnly A Wheel TireAss y RightSideOnly A ClevisPin 312 x 1 3 4 REF NO 10 11 PARTNO GW 9338 736 0169 GW 1901 642 0029 642 0030 642 0031 642 0032 DESCRIPTION HairPinCotter LockWasher 3 8 B C 8oloTineReplace...

Page 30: ...MODELS 630C 634F 634B 24 38 17 5 24 3O ...

Page 31: ...rive A Transmission Pulley B C Transmission Pulley Pulley Reverse Idler B C Guard Belts Pulleys Forward DriveBelt B C Forward DriveBelt A Reverse DriveBelt B C BeltCover Reverse Return Spring B C BeltGuide B C Forward BeltGuide B C Engine Bracket Left Engine Bracket Right Bracket BeltCover Shoulder Washer Reverse IdlerArm B C Forward idlerLever HexHd Screw 5 16 24x 1 B C HexHd Screw 5 16 24x 5 8 H...

Page 32: ...SE 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 S...