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Figure 39
1. Hydro control linkage
2. Quick track knob
Adjusting the Control Rod
Checking the Control Rod
1. With rear of machine still on jack stands and engine
running at full throttle, move the speed control lever
to the medium speed position.
Note: The OPC levers must be held down
whenever the speed control lever is out of the neutral
position or the engine will kill.
2. Move the respective drive lever upward until it
reaches the neutral position and engage neutral locks.
3. If the tire rotates in either direction, the length of the
control rod will need to be adjusted.
Adjusting the Control Rod
1. Adjust the rod length by releasing the drive lever
and removing the hairpin cotter pin and clevis pin.
Rotate the rod in the rod fitting (Figure 40).
2. Lengthen the control rod if the tire is turning in
reverse and shorten the rod if the tire is turning
forward.
3. Rotate the rod several turns if the tire is rotating fast.
Then, adjust the rod in 1/2 turn increments.
4. Place the clevis pin into the drive lever (Figure 40).
3. Spring
4. 1 inch (26 mm)
1. Control rod
2. Clevis pin
3. Drive lever
4. Operator Presence
Control lever (OPC)
5. Release and engage neutral lock checking that the tire
does not rotate (Figure 41). Continue this process
until the tire does not rotate.
6. Install the hairpin cotter pin between the drive
levers and the neutral locks and into the clevis pins
(Figure 40).
7. Repeat this adjustment for the opposite side.
1. Handle
2. Neutral lock
3. Handle
4. Neutral lock slot
Adjusting the Tracking
1. Remove machine from any jack stands.
2. Check the rear tire pressure. Refer to Checking the
Tire Pressure.
36
Figure 40
5. Left handle shown
6. Neutral lock
7. Hairpin cotter pin
Figure 41
5. Neutral position
6. Drive lever
7. Full speed forward
8. Control rod
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