Troy-Bilt 644HMBRONCO, 645AMBRONCO I

MODELS644H & 645A

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Contents

Main 0TRtllcBILT' ---- Operator's Manual Rear-tine Tiller Models 644HmBronco 645AmBronco IMPORTANT:READ SAFETY RULES AND INSTRUCTIONS CAREFULLY TABLEOFCONTENTS FINDINGMODELNUMBER CUSTOMERSUPPORT Safety Training Preparation Operation Section1: Safety Maintenance and Storage Section1: Safety Decals Referto the separate parts catalog for decallocations, part numbersand ordering instructions. ii I1 R ,E--> <--lZ, Assembly Introduction Inspectunit STEP1: Unpacking Instructions Tools/MaterialsNeededfor Assembly STEP2: Attach Handlebar STEP3: Move Tiller Off Shipping Platform STEP4: Install Forward Clutch Cable STEP5: Install ReverseClutch Cable STEP6:CheckLevel of TransmissionGearOil STEP7: Add Motor Oilto Engine STEP 8: Check Hardware for Tightness STEP9:CheckAir Pressurein Tires) FeaturesandControls Introduction WheelDrive Pins Section3: FeaturesandControls D B Forward Clutch Bail ReverseClutchControl Section3: FeaturesandControls DepthRegulatorLever HandlebarHeightAdjustment Anti-ReverseStake H .........................Operation INTRODUCTION INITIAL OPERATION STARTINGANDSTOPPINGTHE ENGINE DANGER CAUTION OPERATINGTHETILLER up). Turningthe Tiller Around Tilling Tips& Techniques Letthe tiller dothe work Tilling depths Avoidtilling soggy,wetsoil Avoidmakingfootprints TillingTips& Techniques Tilling on slopes LOADINGANDUNLOADINGTHE TILLER Maintenance REQUIRED MAINTENANCE SCHEDULE WARNING TILLERLUBRICATION CHECKFOROIL LEAKS CHECKHARDWARE CHECKTIREPRESSURE(on DANGER TINES WARNING OPERATOR C POSITION A CHECKINGANDADJUSTING FORWARDDRIVEBELTTENSION WARNING FORWARDCLUTCH BAILADJUSTMENT CHECKINGANDADJUSTING REVERSEDRIVEBELTTENSION WARNING ENGINEOILSERVICE ENGINECLEANING AIR CLEANERSERVICE SPARKPLUGSERVICE TROUBLESHOOTING PROBLEM 25 POSSIBLECAUSE CORRECTION nPartsList Page I REF NO. 1 2 3 4 DESCRIPTION / FRONT REF NO. 1 2 3 10 13 DESCRIPTION PARTNO. DESCRIPTION Page Page Page TROY-BILT TILLER LIFETIME LIMITED WARRANTY TROY-BILT LLC, P.O. Box 361131, Cleveland, Ohio 44136-0019, 1-800-520-5520