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 Iocknuts (D).

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

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

3.There are three height adjustment holes in the two handlebarsupport brackets. E & F, Fig. 2-2). Usea setting that will

position the handlebarsat approximately waist level when the tines are 3"-4" into

the soil. Looselyattach the handlebar support brackets to the outside of the handlebarassembly (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).

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

IMPORTANT:The support brackets must be assembledto the outsideof the handlebarassembly.

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 FREEWHEELposition, as described below.

1.Usea sturdy block to raise onewheel off the ground.

2.Removethe 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). Repeatwith the other wheel.

3.Using the handlebaras a lever, roll the tiller to aflat area.

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

Section2: Assembly

Fig. 2-2: Attach handlebar.

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

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Troy-Bilt 645AMBRONCO, 644HMBRONCO manual Attach Handlebar, Move Tiller Off Shipping Platform