Adjusting The Tracking; Replacing The Pump Drive Belt - Toro 74246 Operator's Manual

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 jumper installed
and 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 seat rod and lower the seat into position.
10. Remove the jack stands.

Adjusting the Tracking

The right 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 41 and Adjusting
the Hydraulic Pump Neutral on page 42.
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. Unlatch the seat and tip the seat up 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 59.
5. To make the machine go left, turn the knob towards
the leftside of the machine. Refer to figure 59.
6. Repeat this adjustment until the tracking is correct.
2
1
Figure 59
1. Pump rod
2. Turn this way to track left

Replacing the Pump Drive Belt

Check pump drive belt for wear after every 50 hours of
operation.
1. Pull the spring loaded idler down and remove traction
belt from the engine and hydro pump pulleys (Fig. 60).
Remove belt between pulleys.
2. Install new belt around engine and hydro pump pulleys
(Fig. 60).
3. Pull spring loaded idler down and align below traction
belt. Release pressure on spring loaded idler (Fig. 60).
Figure 60
43
3
4
m–6280
3. Tracking knob
4. Turn this way to track right