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1
Figure 50
1. Neutral control linkage
2. Yoke
Adjusting the Hydro Control
Linkages
Warning
Engine must be running so control linkage
adjustments can be performed. Contact with
moving parts or hot surfaces may cause personal
injury.
Keep hands, feet, face, clothing and other body
parts away from rotating parts, muffler and other
hot surfaces.
Warning
Mechanical or hydraulic jacks may fail to support
machine and cause a serious injury.
Use jack stand when supporting machine.
Do not use hydraulic jacks.
3
4
2
m–5394
3. Adjusting bolt
4. Nut
39
Adjusting the Left Side Linkage
1. Disengage the PTO, turn the ignition key to off, and
remove the key. Wait for all moving parts to stop before
leaving the operating position.
2. Raise the rear of the machine onto jack stands high
enough to raise the drive wheels off of the ground.
3. Start the engine and move the throttle ahead to the full
throttle position.
4. Place the left drive lever in the full forward position.
5. Place the speed control lever in the neutral position.
6. 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.
Warning
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.
7. Loosen the front nut on left hydro control linkage as
shown in figure 51.
8. Turn the left rear adjusting nut counter–clockwise until
wheel rotates forward (Fig. 51).
9. 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).
10. 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.
11. After adjusting the left hydro control linkage, move the
speed control lever forward and then back to the neutral
position.
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