Troy-Bilt 630B-Tuffy, 634F-Bronco, 634B-Super Bronco manual Operator’s Manual

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Operator’s Manual

Rear-tine Tiller Models

630B—Tuffy®634F—BroncoTM634B—Super BroncoTM

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)

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Contents Operator’s Manual Table of Contents Know how to stop the unit and disengage the controls quickly Safety Alert SymbolExercise caution to avoid slipping or falling SafetyKeep children and pets away Use slower engine speedsTo Avoid Serious Injury DecalsIntroduction Assembly StepsInspect Unit Clutch Cable Install Reverse Clutch Cable Models 634F and 634B only AssemblyCheck Level of Transmission Gear OIL Check AIR PressureCheck all nuts and screws for tightness Introduction Wheel Drive PinsEngine Controls Reverse Clutch Control Models 634F/634BHandlebar Height Adjustment Features and ControlsForward Clutch Bail Depth Regulator LeverIntroduction BREAK-IN Operation Pre-Start ChecklistStarting and Stopping the Engine Starting the EngineOperation Operating the TillerTines will cause injury Stopping the Engine and Tiller Stopping the Tiller and EngineYour freshly tilled or cultivated soil Clumps of soil that can interfere withBy successive passes at one Quarter width see Fig Tilling Up and Down Slopes Vertical Tilling Read the following recommendations before tilling on slopesTerrace Gardening Loading and Unloading the Tiller Clearing the TinesTransmission Gear OIL Service Maintenance ScheduleTiller Lubrication Check for OIL LeaksRemoving/Installing a Single Tine MaintenanceRemoving/Installing a Tine Assembly Bolo TinesReplacement Belt Information Checking and AdjustingTo Check Forward Belt Tension Engine Cleaning AIR Cleaner Service Engine OIL Service Forward Clutch Bail AdjustmentChecking and Adjusting Reverse Drive Belt Tension To Check Reverse Belt TensionSpark Arrester Screen Service Spark Plug ServiceCARBURETOR/GOVERNOR Control Adjustments OFF Season StorageProblem Possible Cause Correction TroubleshootingOEM-290-256 fits Tuffy, OEM-290-254 fit Bronco OEM-290-265 fits Tuffy, Bronco & Super BroncoDrawing no Parts ListPart Description Parts List DRAWING/PARTS List no Parts List Drawing noPart Description QTY For Model 630B GW-9727 24 3 1917326 Hold Tine With Blunt End Toward You Left Side Right Side50049-02 TROY-BILT Tiller Lifetime Limited Warranty