Troy-Bilt ProLine 644H Bronco Operator's Manual page 7

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), 3/8" flat
washers (C) and 3/8"-16 hex Iocknuts (D).
2. Using the middle holes in the handlebar
support brackets (E and F, Fig. 2-2),
loosely attach the support brackets to the
handlebar support (A) using two 5/16"-18
x 1-1/2" curved hd. screws (G), 5/16" split
Iockwashers (H) and 5/16"-18 hex nuts (I).
NOTE:If a support bracket will not move,
loosen attaching screw (J) and nut.
3. Attach the handlebar assembly (K) to
the handlebar support (A) using four
5/16"-18 x 1-1/2" curved hd. screws (G),
5/16" split Iockwashers (H) and 5/16"-18
hex nuts (I). Tighten the four screws
securely.
4. Tighten all handlebar mounting
hardware securely.
STEP3: MoveTiller 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. 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 handlebar as a lever, roll the
tiller to a flat 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
Section 3.
\
B
C
D
Fig. 2-2: Attach handlebar.
I
L
Fig. 2-3: Wheel in FREEWHEELING
position (wheel drive pin throughwheel
shaRonly).
Section 2: Assembly