Troy-Bilt 644H-Bronco, 645A-Bronco Assembly, Attach Handlebar, Move Tiller Off Shipping Platform

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Section 2: Assembly

STEP 2: Attach Handlebar

1.Attach the two legs of the handlebar support (A, Fig. 2-2) loosely to the inner sides of the tiller frame using two 3/8"-16 x 3/4" hex hd. screws (B), two 3/8” flat washers (C) and 3/8"-16 hex locknuts (D).

2.Using using two 5/16"-18 x 1-1/2" hex hd. screws (G), 5/16" split lockwashers

(H) and 5/16"-18 hex nuts (I), loosely attach the the handlebar support (A) using the upper holes.

3.There are three height adjustment holes in the two handlebar support brackets. E & F, Fig. 2-2). Use a setting that will

position the handlebars at approximately

G

waist level when the tines are 3”-4” into

 

the soil. Loosely attach the handlebar

 

support brackets to the outside of the

 

handlebar assembly (K) using two 5/16"-

 

18 x 1-1/2" screws (G), 5/16" split lock-

 

washers (H) and 5/16"-18 hex nuts (I).

 

K

I H

F

A

G

NOTE: If a support bracket will not move, loosen attaching screw (J) and nut.

IMPORTANT: The support brackets must be assembled to the outside of the handlebar assembly.

4. Tighten all handlebar mounting hardware securely.

STEP 3: Move Tiller Off Shipping Platform

To move the tiller without the engine running, put the wheels in their FREEWHEEL position, as described below.

1.Use a sturdy block to raise one wheel off the ground.

2.Remove the hairpin cotter (L, Fig. 2-3) and wheel drive pin (M). Slide the wheel inward on the wheel shaft (N). Reinstall the wheel drive pin and hairpin cotter through the wheel shaft only (not through the wheel hub). Repeat with the other wheel.

3.Using the handlebar as a lever, roll the tiller to a flat area.

IMPORTANT: Before starting the engine, the wheels must be placed in their WHEEL DRIVE position (pins through wheel hubs and wheel shaft). This procedure is described in “Wheel Drive Pins” in

E

D

C J

B

Fig. 2-2: Attach handlebar.

M

N

L

Fig. 2-3: Wheel in FREEWHEELING position (wheel drive pin through wheel shaft only).

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Contents Operator’s Manual Table of Contents Ments or inspections SafetyNever operate the tiller under SafetyUse a deep depth regulator setting Use slower engine speeds Keep children and pets awayDecals Operating SymbolsIntroduction AssemblyTools/Materials Needed for Assembly Loose Parts List Qty. DescriptionAttach Handlebar AssemblyMove Tiller Off Shipping Platform Install Forward Clutch Cable Install Reverse Clutch CableTiller is shipped without oil in the engine Check Level Transmission Gear OilCheck Hardware for Tightness Check Air Pressure in TiresReverse Clutch Control Anti-Reverse Stake Features and ControlsWheel Drive Pins Forward Clutch Bail Depth RegulatorTo Operate the Reverse Clutch Control Forward Clutch BailReverse Clutch Control To Operate the Forward Clutch BailAnti-Reverse Stake Features and ControlsHandlebar Height Adjustment Depth Regulator LeverStarting and Stopping the Engine OperationIntroduction Initial OperationStarting the Engine Use the Fast throttle speed setting when tillingOperation Operating the TillerFor reverse motion of the wheels and tines Turning the Tiller AroundStopping the Tiller and Engine Avoid making footprints Let the tiller do the workTilling depths Avoid tilling soggy, wet soilTilling up and down slopes Tilling across slopes without using terracesClearing the tines Tilling on slopesLoading and Unloading the Tiller Hours MaintenanceRequired Maintenance Schedule EveryCheck for OIL Leaks MaintenanceTransmission Gear OIL Service Tiller LubricationTine Inspection Removing and Installing Tine AssembliesRemoving and Installing Individual Tines TinesTo Check Forward Belt Tension PositionReverse Belt Replacement Information Forward Clutch Bail AdjustmentTo Check Reverse Belt Tension Engine Cleaning Engine OIL ServiceAIR Cleaner Service Spark Plug ServiceTroubleshooting TROY-BILT LLC, P.O. Box 361131, Cleveland, Ohio 44136-0019 TROY-BILT Tiller Lifetime Limited Warranty
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