Adjusting The Tracking; Adjusting The Caster Pivot Bearing - Toro 74268 Operator's Manual

1 5
2
5
6
Figure 61
1. Double nuts
2. Pump rod
3. Adjustment bolt
Warning
Electrical system will not perform proper safety
shut off with jumper wire installed.
Remove jumper wire from wire harness
connector and plug connector into seat switch
when adjustment is completed.
Never operate this unit with the jumper
installed and the seat switch bypassed.
7. After both pump neutrals are set, shut off the machine.
8. Remove jumper wire from wire harness connector and
plug the connector into the seat switch.
9. Install the seat 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 hydraulic
pump neutral before adjusting the tracking. Refer to
Adjusting the Handle Neutral on page 44 and Adjusting
the Hydraulic Pump Neutral on page 45.
1. Push both control levers forward the same distance.
6
4
3
m–7511
4. Yoke
5. Locknut
6. Ball joint
2. Check if the machine pulls to one side. If it does, stop
the machine and set the parking brake.
3. Unlatch the seat and tilt the seat forward to access the
tracking knob.
Note: Determine the left and right sides of the machine
from the normal operating position.
4. To make the machine go right, turn the knob towards
the rightside of the machine. Refer to figure 62.
5. To make the machine go left, turn the knob towards
the leftside of the machine. Refer to figure 62.
6. Repeat adjustment until the tracking is correct.
2
1
Figure 62
1. Pump rod
2. Turn this way to track left
Adjusting the Caster Pivot
Bearing
Check after every 500 operating hours or at storage,
whichever comes first.
1. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the dust cap from the caster and tighten the
locknut (Fig. 63).
4. Tighten until the spring washers are flat and then back
off 1/4 turn to properly set the preload on the bearings
(Fig. 63).
46
3
4
m–6280
3. Tracking knob
4. Turn this way to track right