Adjusting The Tracking - Toro 74413 Operator's Manual

Setting the Left-hand Hydraulic Pump
Neutral Position
1. Start the engine, open the throttle halfway and release
the parking brake. Refer to Starting and Stopping the
Engine on page 18.
Note: The motion control lever must be in neutral while
you are making any adjustments.
2. Adjust the pump rod length by rotating the knob in the
appropriate direction until the wheel is still or slightly
creeping in reverse (Fig. 45).
Figure 45
1. Tracking knob
2. Pump rod
3. Move the motion control lever forward and reverse,
then back to neutral. The wheel must stop turning or
slightly creep in reverse.
4. Open throttle to fast.
Note: Ensure that the wheel remains stopped or slightly
creeps in reverse, and adjust it if necessary.
Setting the Right-hand Hydraulic Pump
Neutral Position
1. Loosen the locknuts at the ball joints on the pump
control rod (Fig. 44).
2. Start the engine, open the throttle halfway, and release
the parking brake. Refer to Starting and Stopping the
Engine on page 18.
Note: The motion control lever must be in neutral while
you are making any adjustments.
Note: The front nut on the pump rod has left-hand threads.
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3
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m–6283
3. Adjustment bolt
3. Adjust the pump rod length by rotating the double nuts
on the rod in the appropriate direction until the wheel is
still or slightly creeps in reverse (Fig. 44).
4. Move the motion control lever forward and reverse,
then back to neutral. The wheel must stop turning or
slightly creep in reverse.
5. Open the throttle to Fast. Ensure that the wheel remains
stopped or slightly creeps in reverse, adjust if necessary.
6. Tighten the nuts at the ball joints (Fig. 44).
Warning
The electrical system will not perform the proper
safety shutoff with the jumper wire installed.
Remove the jumper wire from the wire harness
connector and plug the connector into the seat
switch after completing the adjustment.
Never operate the machine with the jumper wire
installed and the seat switch bypassed.
7. After both pump neutrals are set, shut off the machine.
8. Remove the jumper wire from the wire harness
connector and plug the connector into the seat switch.
9. Install the prop rod and lower the seat into position.
10. Remove the jack stands.

Adjusting the Tracking

The left-hand pump has a knob for adjusting the tracking.
Important Adjust the handle neutral and the hydraulic
pump neutral before adjusting the tracking. Refer to
Adjusting the Handle Neutral on page 35 and Adjusting the
Hydraulic Pump Neutral on page 36.
1. Push both control levers forward the same distance.
2. Check if the machine pulls to one side. If it does, stop
the machine and set the parking brake.
3. Tip the seat up to access the tracking knob.
Note: Determine the left and right sides of the machine
from the normal operating position.
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