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Maintenance
across the terminals in the connector of the
wiring harness.
3. Start the engine.
4. Run the unit at least 5 minutes with the
speed control lever at full forward speed to
bring hydraulic system oil up to operating
temperature. Return speed control lever to
neutral (full rear) position.
5. To obtain the neutral position, adjust the
left and right pump control rod linkages that
connect the steering control to the pump
control arms until the wheels stop, or creep
slightly in reverse.
6. Adjust the left pump linkage by rotating the
tracking adjustment knob.
7. Adjust the right pump linkage by using
a wrench to turn the double nuts on the
assembly (see Figure 18)
Figure 18
1. Rotate tracking knob on
left side
2. Rotate double nuts on
right side
8. Move the steering levers to the reverse
position. While applying slight pressure to
the levers, allow the steering levers to return
to neutral. The wheels must stop turning (or
slightly creep in reverse).
9. Stop engine and wait for all moving parts to
stop. Remove jumper wire from wire harness
connector and plug connector into seat switch.
10. Lower from jackstands.
Set forward stop bolt:
1. Remove seat deck (with seat attached) to obtain
a clear view of the steering control shaft to
complete this adjustment.
2. Push the speed control lever forward to full
forward speed position.
3. If either steering control lever surface does not
contact the stop bar at the full forward speed
position, adjust the stop bolt until contact occurs
(see Figure 19). Once contact occurs, turn the
stop bolt one more full turn to prevent bottoming
of the hydraulic pump internal stops.
Figure 19
1. Speed control Lever
forward stop bolt
2. Contact must be
maintained between
these components at full
forward speed condition
Steering Control Lever
Response Adjustment
1. Stop engine, wait for all moving parts to stop and
remove key. Engage parking brake.
2. Move the speed control lever to the full forward
position.
3. Lift the seat and locate the pump control springs.
To increase responsiveness, increase spring
tension by hooking the rear spring anchor directly
to the anchor bolt. To decrease responsiveness,
hook the rear spring anchor to the anchor tab.
Note: Be sure both springs maintain the same
adjustment.
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