Contents
630C-Tuffy 634F-Bronco TM 634A-Super Bronco TM
Operator’s Manual
Rear-tine Tiller Models
Troy-Bilt LLC, P.O. BOX 361131 CLEVELAND, OHIO
FINDING MODEL NUMBER
TABLE OF CONTENTS
Content
CUSTOMER SUPPORT
Training
SECTION 1 SAFETY
Safety Alert Symbol
Preparation
Maintenance and Storage
c. Use slower engine speeds
Operating Symbols
Decals
TO AVOID SERIOUS INJURY
ASSEMBLY STEPS
SECTION 2 ASSEMBLY
Loose Parts List
Hardware bag contents
STEP 4 INSTALL FORWARD CLUTCH CABLE
T T U
outermost coil to the outermost coil
tral cable tension too tight
X while preventing the cable adjuster
from turning
STEP 7 ADD MOTOR OIL
Section 3 Features and Controls
STEP 6 CHECK TRANSMISSION OIL LEVEL
STEP 8 CHECK HARDWARE
WARNING Before
SECTION 3 FEATURES AND CONTROLS
WHEEL DRIVE PINS
INTRODUCTION
To adjust the handlebars
HANDLEBAR HEIGHT ADJUSTMENT
Settings
FORWARD CLUTCH BAIL
STARTING AND STOPPING
Pre-Start Checklist
BREAK-IN OPERATION
WARNING To help
Stopping the Tiller and Engine
OPERATING THE TILLER
Stopping the Engine and Tiller
Fig. 4-2 Use one hand to guide tiller when moving forward
Let the Tiller Do the Work
TILLING TIPS & TECHNIQUES
Tilling Depths
Avoid Making Footprints
TILLING TIPS & TECHNIQUES CON’T
Power Composting
Tilling Across Slopes Without Using Terraces Horizontal Tilling
Tilling On Slopes
Terrace Gardening continued
Clearing the Tines
LOADING AND UNLOADING THE TILLER
TILLING TIPS & TECHNIQUES CON’T
MAINTENANCE SCHEDULE
SECTION 5 MAINTENANCE
TRANSMISSION GEAR OIL SERVICE
PROCEDURE
BOLO TINES
B. Removing⁄Installing a Single Tine
C. Removing⁄Installing a Tine Assembly
B B A
E B
CHECKING AND ADJUSTING
Replacement Belt Information
FORWARD DRIVE BELT TENSION
AIR CLEANER SERVICE
FORWARD CLUTCH BAIL ADJUSTMENT
ENGINE CLEANING
ENGINE OIL SERVICE
THROTTLE LEVER ADJUSTMENT
SPARK PLUG SERVICE
SPARK ARRESTER SCREEN SERVICE
CARBURETOR/GOVERNOR CONTROL ADJUSTMENTS
POSSIBLE CAUSE
TROUBLESHOOTING
PROBLEM
CORRECTION
SECTION 6 MODELS 630C, 634F & 634A PARTS LIST
DESCRIPTION
DESCRIPTION
MODELS 630C, 634F & 634A
1418
DESCRIPTION
Cable Assembly, Reverse Clutch B C
MODELS 630C, 634F & 634A
DESCRIPTION
Shim, same as above, except .030 thick
MODELS 630C, 634F & 634A
DESCRIPTION
Shim, same as above, except .005 thick
FRONT
MODELS 630C, 634F & 634A
DESCRIPTION
Included with transmission when purchased as an assembly only
Remove and discard when installing the transmission on tiller
Transmission Housing Assembly
MODELS 630C, 634F & 634A
MODELS 630C, 634F & 634A
TINE SHAFT
RIGHT-HAND TINE
FRONT
REVERSE
MODELS 630C, 634F & 634A
37 A
CLUTCH CABLE
MODELS 630C, 634F & 634A
DESCRIPTION
TROY-BILT LLC, P.O. Box 361131, Cleveland, Ohio
TROY-BILT TILLER LIFETIME LIMITED WARRANTY