Models 644H & 645A

REF	PART NO.	DESCRIPTION
NO.	PART NO.	DESCRIPTION
NO.

1	1185469	Spirol Pin
2	710-0597	Hex Hd. Screw, 1/4-20 x 1
3	710-0599	Screw, Self-Tapping,1/4-20 x 1/2
4	710-0874	Hex Hd. Screw, 5/16-18 x 1-1/4
5	1186331	Hex Hd. Screw, 5/16-18 x 1.0
6	712-0291	Hex Lock Nut, 1/4-20
7	712-3004A	Hex Flange Lock Nut, 5/16-18
8	712-3009	Hex Nut, 5/16-18
9	736-0119	Lock Washer, 5/16

10GW-55013-1 Hood Bracket, Left Hand

11GW-55013-2 Hood Bracket, Right Hand

12	GW-55015	Drag Bar
13	GW-55018	Depth Regulator Lever
14	686-04029	Tine Hood Assembly
15	GW-55088	Bushing
16	GW-9384	Spring, Depth Regulator
17	GW-9534	Spacer
18	710-04048	Hex Hd. Flange Screw, 5/16-18 x 1
19	618-04046	Transmission Assembly (CRT)
20	1916569	Flap Stop Bracket
21	1916570	Reverse Stop Arm
22	710-3073	Hex Screw, 5/16-18 x 2.25
23	1916771	Spacer, .462 x .328 x 1.63
24	1107382	Flat Washer, 5/16
25	710-3025	Hex Screw, 5/16-18 x .625
26	1916708	Hood Support Bracket
27	1916707	Channel Support Bracket

Page 27

Image 27

Troy-Bilt 645A-Bronco manual Models 644H & 645A

Contents

Operator’s Manual Calling Customer Support Table of ContentsFinding Model Number Engine Information Training Safety Use a deep depth regulator setting Use slower engine speeds Keep children and pets awayNever operate the tiller under Decals Operating Symbols Introduction AssemblyTools/Materials Needed for Assembly Loose Parts List Qty. Description Move Tiller Off Shipping Platform Attach Handlebar Install Reverse Clutch Cable Install Forward Clutch Cable Tiller is shipped without oil in the engine Check Level Transmission Gear OilCheck Hardware for Tightness Check Air Pressure in Tires Wheel Drive Pins Features and Controls To Operate the Reverse Clutch Control Forward Clutch BailReverse Clutch Control To Operate the Forward Clutch Bail Depth Regulator Lever Handlebar Height AdjustmentShallow Settings Deep To Adjust the Handlebars Starting and Stopping the Engine OperationIntroduction Initial Operation Stopping the Engine and Tiller Use the Fast throttle speed setting when tillingOperating the Tiller Starting the Engine Turning the Tiller Around For reverse motion of the wheels and tinesStopping the Tiller and Engine Avoid making footprints Let the tiller do the workTilling depths Avoid tilling soggy, wet soil Tilling up and down slopes Tilling across slopes without using terracesClearing the tines Tilling on slopes Loading and Unloading the Tiller Hours MaintenanceRequired Maintenance Schedule Every Check Hardware Transmission Gear OIL ServiceTiller Lubrication Check for OIL Leaks Tine Inspection Removing and Installing Tine AssembliesRemoving and Installing Individual Tines Tines To Check Forward Belt Tension Position Forward Clutch Bail Adjustment Reverse Belt Replacement InformationTo Check Reverse Belt Tension Engine Cleaning Engine OIL ServiceAIR Cleaner Service Spark Plug Service Troubleshooting Parts List Models 644H & 645A Models 644H & 645A Models 644H & 645A GW-1224-3 Front 619-04013 RIGHT-HAND Tine 2926 Models 644H & 645A TROY-BILT LLC, P.O. Box 361131, Cleveland, Ohio 44136-0019 TROY-BILT Tiller Lifetime Limited Warranty

MODELS 644H & 645A

DESCRIPTION