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8. Loosen the front nut on left hydro control linkage as
shown in figure 51.
9. Turn the left rear adjusting nut counter–clockwise until
wheel rotates forward (Fig. 51).
10. Turn the rear adjusting nut clockwise 1/4 of a turn at a
time. Then move the speed control lever forward and
back to neutral. Repeat this until left wheel stops
rotating forward (Fig. 51).
11. Turn the rear nut an additional 1/2 turn and tighten the
front nut.
Note: Make sure flat part of linkage is perpendicular to pin
part of swivel.
12. After adjusting the left hydro control linkage, move the
speed control lever forward and then back to the neutral
position.
13. Make sure the speed control lever is in the neutral
position and the tire does not rotate.
14. Repeat the adjustment if needed.
1
Figure 51
1. Hydro control linkage
2. Front nut
Note: If inconsistent neutral occurs, check to be sure both
springs are properly tightened on the speed control lever
under the console, especially the rear pivot spring. Repeat
the above adjustments if necessary (Fig. 52).
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3. Rear adjusting nut
40
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3
Figure 52
1. Speed control lever
2. Rear pivot spring
Adjusting the Right Side Linkage
1. Place the speed control lever in the neutral position.
2. Place the right drive lever in the full forward position.
3. Hold OPC levers down.
Note: The OPC levers must be held down whenever the
speed control lever is out of the neutral position or the
engine will kill.
4. Adjust the right side linkage by turning the quick track
knob counterclockwise until the tire begins to rotate
forward (Fig. 53).
5. Turn the knob clockwise 1/4 of a turn at a time. Then
move the speed control forward and back to neutral.
Repeat this until right wheel stops rotating forward
(Fig. 53).
6. The spring that keeps tension on the knob should
normally not need adjustment. However if an
adjustment is needed, adjust the length of spring to
1 inch (26 mm) between the washers (Fig. 53).
7. Adjust spring length by turning nut at front of spring
(Fig. 53).
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3. spring
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