Manuals / Troy-Bilt / Lawn and Garden / Tiller

Troy-Bilt 643C Tuffy/Bronco manual Operator’s Manual, Rear-tineTiller Models, Carefully

Models: 643C Tuffy/Bronco 645A Super Bronco

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Operator’s Manual

Rear-tine Tiller Models

643C — Tuffy® / Bronco CRT

643B, 645A — Super BroncoTM

Model 645A Shown

IMPORTANT: READ SAFETY

RULES AND INSTRUCTIONS

CAREFULLY

PRINTED IN U.S.A.

P. O. Box 1386, 97 Kent Avenue, Kitchener, Ontario N2G 4J1

772C0845

(12/05)

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Troy-Bilt 643C Tuffy/Bronco manual Operator’s Manual, Rear-tineTiller Models, 643C - Tuffy / Bronco CRT, Carefully

Contents

Operator’s Manual IMPORTANT READ SAFETY RULES AND INSTRUCTIONSRear-tineTiller Models 643C - Tuffy / Bronco CRTContent TABLE OF CONTENTSFINDING MODEL NUMBER CUSTOMER SUPPORTSafety Alert Symbol SECTION 1 SAFETYTraining Preparationc.Use slower engine speeds Maintenance and StorageDecals Operating SymbolsTO AVOID SERIOUS INJURY Loose Parts List SECTION 2 ASSEMBLYASSEMBLY STEPS INTRODUCTIOND G F E STEP 4 INSTALL FORWARD CLUTCH CABLEM M N Page STEP 7 ADD MOTOR OIL STEP 6 CHECK TRANSMISSION OIL LEVELSTEP 8 CHECK HARDWARE Section 3 Features and ControlsWARNING Before SECTION 3 FEATURES AND CONTROLSWHEEL DRIVE PINS INTRODUCTIONSettings HANDLEBAR HEIGHT ADJUSTMENTTo adjust the handlebars FORWARD CLUTCH BAILSTARTING AND STOPPING BREAK-INOPERATIONWARNING To help Pre-StartChecklistStopping the Engine and Tiller OPERATING THE TILLERStopping the Tiller and Engine Tilling Depths TILLING TIPS & TECHNIQUESLet the Tiller Do the Work Avoid Making FootprintsTilling On Slopes TILLING TIPS & TECHNIQUES CON’TWARNING: Do not Clearing the TinesLOADING AND UNLOADING THE TILLER TILLING TIPS & TECHNIQUES CON’TTerrace Gardening continued TRANSMISSION GEAR OIL SERVICE SECTION 5 MAINTENANCETILLER LUBRICATION CHECK HARDWAREB. Removing⁄Installing a Single Tine BOLO TINESC. Removing⁄Installing a Tine Assembly B B AReplacement Belt Information CHECKING AND ADJUSTINGFORWARD FORWARD DRIVE BELT TENSIONENGINE CLEANING FORWARD CLUTCH BAIL ADJUSTMENTAIR CLEANER SERVICE ENGINE OIL SERVICESPARK ARRESTER SCREEN SERVICE SPARK PLUG SERVICEOFF-SEASONSTORAGE THROTTLE LEVER ADJUSTMENTPROBLEM TROUBLESHOOTINGPOSSIBLE CAUSE CORRECTIONPage Models 643C, 643B & 645A PART NO MODELS 643C, 643B & 645ADESCRIPTION DESCRIPTIONDESCRIPTION MODELS 643C, 643B & 645ADESCRIPTION MODELS 643C, 643B & 645A FRONTDESCRIPTION 10 9 7 413 A MODELS 643C, 643B & 645ADESCRIPTION MODELS 643C, 643B & 645ADESCRIPTION Page Page TROY-BILTTILLER LIFETIME LIMITED WARRANTY