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6.3.7
Adjustable Caster Tread Width
The rear casters can be adjusted to a narrow
tread width to allow loading and shipping without
having to remove them. A narrow tread width
also suits smaller headers by allowing more
space to the uncut crop and provides more
maneuverability around poles, irrigation inlets, or
other obstacles. A wider tread width is useful in
heavy crops that produce large windrows so that
runover is reduced.
To adjust the caster tread width, refer to the
following illustrations and proceed as follows:
CAUTION
Park on a flat, level surface, header on the
ground and the ground speed lever in N-
DETENT position and steering wheel locked.
DANGER
Stop engine and remove key from ignition
before leaving operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Raise rear of tractor slightly so that most of the
weight is off the casters, using a jack or other
lifting device under the frame where shown.
Lifting device should have lifting capacity
of at least 5000 lb (2270 kg).
A
LIFT
b. Remove bolts and washers (A) and (B) from left
and right sides of the walking beam.
c. Slide walking beam extensions (C) inboard or
outboard equal amounts and align holes at
desired position.
Illustration shows widest tread width
adjustment.
Form 169017
WINDROWER TRACTOR OPERATION
NOTE
D
C
B
NOTE
Center of tread width must be aligned with
center of tractor.
d. Position bracket (D) and install bolts (A) and (B).
The two shorter bolts are installed at the back
inboard locations. Torque as follows:
1. Snug bottom bolts (B).
2. Tighten back bolts (A) to 330 ft-lbf (447
N·m).
3. Tighten bottom bolts (B) to 330 ft-lbf (447
N·m).
e. Lower tractor and remove lifting device.
f.
Retorque bolts at 5 and 10 hours of operation.
63
IMPORTANT
Issue – June 2008
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