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Adjusting the Motion Control
Linkage
Located on either side of the fuel tank, below the seat are
the pump control linkages. Rotating the pump linkage
with a 1/2 inch wrench allows fine tuning adjustments
so that the machine does not move in neutral. Any
adjustments should be made for neutral positioning only.
WARNING
Engine must be running and drive wheels must
be turning so motion control adjustment can be
performed. Contact with moving parts or hot
surfaces may cause personal injury.
Keep fingers, hands, and clothing clear of rotating
components and hot surfaces.
1. Prior to starting the engine, push the deck lift pedal
and remove the height of cut pin. Lower deck to
the ground.
2. Raise the rear of machine up and support with jack
stands (or equivalent support) just high enough to
allow drive wheels to turn freely.
3. Remove the electrical connection from the seat
safety switch, located under the bottom cushion of
the seat. The switch is a part of the seat assembly.
4. Temporarily install a jumper wire across the
terminals in the connector of the main wiring
harness.
5. Start engine. Brake must be engaged and motion
control levers out to start engine. Operator does
Figure 86
not have to be in the seat because of the jumper
wire being used. Run engine at full throttle and
release brake.
6. Run the unit at least 5 minutes with the drive levers
at full forward speed to bring hydraulic oil up to
operating temperature.
Note: The motion control lever needs to be in
neutral while making any necessary adjustments.
7. Bring the motion control levers into the neutral
position. Adjust pump control rod lengths by
rotating the double nuts on the rod in the appropriate
direction until the wheels slightly creep in reverse
(Figure 87). Move the motion control levers to the
reverse position and while applying slight pressure to
the lever allow the reverse indicator springs to bring
the levers back to neutral. The wheels must stop
turning or slightly creep in reverse.
1. Double nuts
8. Shut off unit. Remove jumper wire from wire
harness and plug connector into seat switch.
9. Remove the jack stands.
10. Raise the deck and re-install the height of cut pin.
11. Check that the machine does not creep in neutral
with the park brakes disengaged.
56
Figure 87
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