Operator's Manual
37
Mechanical or hydraulic jacks may fail to support
machine and cause a serious injury.
• Use jack stands when supporting the machine.
• Do not use hydraulic jacks.
Warning
Adjusting the Left Side Hydro Control
Linkage
Electrical system will not perform proper safety
shut off with Operator Presence Control (OPC)
levers held in place.
• Make sure Operator Presence Control (OPC)
levers are working when adjustment is
completed.
• Never operate this unit with Operator Presence
Control (OPC) levers held in place.
Warning
1. Raise the rear of the machine onto jack stands to raise
the drive wheels off the ground.
2. Start the engine and move the throttle ahead to the full
throttle position.
3. Press and hold the 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. Place the left neutral lock in the full forward position
(Fig. 52) and move the speed control lever to the
neutral position (Fig. 42).
5. Loosen the front nut on left hydro control linkage as
shown in figure 47.
6. Turn the left rear adjusting nut counter–clockwise
until wheel rotates forward (Fig. 47).
7. 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. 47).
Note: Make sure flat part of linkage is 90 degrees or
perpendicular to pin part of swivel (Fig. 46).
1
3
2
m–6606
4
Back View
90 Degrees
2
Figure 46
1. Hydro control linkage
2. Swivel
3. Incorrect position
4. Correct position
8. After adjusting the left hydro control linkage, move
the speed control lever forward and then back to the
neutral position.
9. Make sure the speed control lever is in the neutral
position and the tire does not rotate.
10. Repeat adjustment if needed.
3
2
m–6604
1
Figure 47
1. Hydro control linkage
2. Front nut
3. Rear adjusting 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
above adjustments if necessary (Fig. 48).