Troy-Bilt 643B Super Bronco Tiller User Manual


 
7
through the wheel shaft (L) only (not
through the wheel hub). The wheel should
now spin freely (freewheel) on the wheel
shaft. Repeat with the other wheel.
4. Use the handlebar to roll the tiller to a
flat area.
IMPORTANT:
Before starting the engine,
the wheels must be placed in the WHEEL
DRIVE position (pins through wheel hubs
and wheel shaft). This procedure is
described in Wheel Drive Pins on page 10.
STEP 4: INSTALL FORWARD
CLUTCH CABLE
1. Carefully unwrap the forward clutch ca-
ble (cable without an attached knob) from
its shipping position and slide the thin ca-
ble wire (M, Fig. 2-4) into the slot in the ca-
ble bracket. Push the cable connector (N,
Fig. 2-4) up through the hole in the bracket
until the groove in the connector snaps
into place.
2. Thread the #10-24 hex nut (Z, Fig. 2-5)
halfway onto the screw (V) which runs
through the spring (W, Fig. 2-5).
3. Thread the screw (V) into the cable ad-
juster (X).
C
H
B
D
G
F
E
I
F
A
Fig. 2-3: Wheel in FREEWHEEL position
(wheel drive pin through wheel shaft only).
J
K
L
Fig. 2-4: Installing forward clutch cable bracket and cable.
Fig. 2.2: Attach handlebar.
M
N
M
The support brackets must
be assembled to the outside
of the handlebar assembly.