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3. Check the gap between upper control bar and fixed bar
with wheel drive fully engaged. Gap should be
approximately 1 in. to 1-1/4 in. (25–32 mm) (Fig. 8).
Note: The upper control bar and fixed bar must be parallel
when in engaged, drive, relaxed and brake positions.
4. Check operation. If adjustment is required, remove
hairpin cotter securing rod to upper control bar. Thread
rod in or out of fitting for proper position and install
into upper control bar with hairpin cotter.
Figure 8
1. Control rod
2. Fixed control bar
3. Parking brake lever
5. Check parking brake adjustment. Brake rods should be
adjusted so parking brake lever is tight when swung
into position against the fixed bar while pulling back
on upper control bar (Fig. 9).
2
Figure 9
1. Upper control bar
6. If brake adjustment is required, remove hairpin cotter
and washer securing brake rod fitting to idler bracket
(Fig. 10).
7. Adjust wing nut up or down on brake rod and secure
fitting to idler bracket (Fig. 10). Check adjustment and
adjust if necessary.
m–5190
4. Upper control bar
5. 1 to 1–1/4 in. gap
1
m–5233
2. Parking brake lever
16
Note: Make sure brake rod is installed in front (F)
mounting hole in idler bracket.
8. Repeat procedure on opposite side if adjustment is
required to keep control bar and fixed bar parallel.
Figure 10
1. Idler bracket
2. Brake rod fitting
3. Hairpin cotter and washer
Installing the Hairpin Cotter
Pins
Spare height–of–cut spacers may be stored on posts and
retained by a hairpin cotter.
1. On opposite side of muffler, install extra hairpin cotter
pins into front and rear height–of–cut pins (Fig. 11).
Figure 11
1. Hairpin cotter
2. Extra spacers
Operation
Note: Determine the left and right sides of the machine
from the normal operating position.
m–5316
4. Wing nut
5. Hole F
m–5314
3. Height–of–cut post
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