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Adjusting the Hydraulic
Control Linkages
WARNING
The engine must be running when you
perform the control linkage adjustments.
Contact with moving parts or hot surfaces
may cause personal injury.
Keep your 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 stands when supporting machine.
• Do not use hydraulic jacks.
Adjusting the Left Side Linkage
1.
Park the machine on a level surface, disengage
the PTO, and engage the parking brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Raise the rear of the machine onto jack stands
high enough to raise the drive wheels of the
ground.
4.
Disengage the parking brake.
5.
Start the engine and move the throttle to the full
throttle position.
6.
Place the left drive lever in the full forward
position.
7.
Place the speed-control lever in the N
position.
WARNING
The electrical system does not
perform proper safety shut off with the
operator-presence control (OPC) levers
held down in place.
• Make sure that the operator-presence
control (OPC) levers are working
when adjustment is completed.
• Never operate this unit with the
operator-presence control (OPC)
levers held down in place.
8.
Loosen the front adjusting nut on left hydraulic
control linkage as shown in
9.
Turn the left rear adjusting nut counter-clockwise
until wheel rotates forward
10.
Turn the rear adjusting nut clockwise 1/4 turn
at a time. Then move the speed-control lever
forward and back to the N
Repeat this until left wheel stops rotating forward
(Figure
11.
Turn the rear nut an additional 1/2 turn and
tighten the front adjusting nut.
Note:
perpendicular to pin part of swivel
1. Hydraulic control linkage
2. Swivel with pin
12.
After adjusting the left hydraulic control linkage,
move the speed-control lever forward and then
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back to the N
13.
Hold the OPC levers down.
Note:
the speed-control lever is out of the N
position or the engine will shut off.
14.
Make sure that the speed-control lever is in the
N
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15.
Repeat the adjustment if needed.
30
Figure
(Figure
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36).
Make sure that the flat part of linkage is
Figure 35
3. Incorrect position for
hydraulic control linkage
4. Correct position for
Hydraulic control linkage,
90 degrees
position.
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Hold the OPC levers down whenever
position and the tire does not rotate.
36.
36).
position.
(Figure
35).
g001735
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