Replacing The Pump Drive Belt - Toro 74225 Operator's Manual

will keep the pin at the end of the slot and allow the
adjustment bolt to move the lever to the appropriate
position.
6. Tighten nut and jam nut.
7. Repeat on opposite side of unit.
1
2
7 3
Figure 50
1. Neutral lock position
2. Clevis pin in slot
3. Nut
4. Bolt
Adjusting Hydraulic Pump Neutral
Note: Adjust handle neutral first. That has to be correct
before the following adjustment can be made.
1. This adjustment must be made with drive wheels
turning. First raise the frame and block up so drive
wheels can rotate freely.
Danger
Mechanical or hydraulic jacks may fail to support
machine and cause a serious injury.
Use jack stand when supporting machine.
Do not use hydraulic jacks.
2. Slide seat forward, disconnect prop rod and tilt seat
fully forward.
3. Disconnect electrical connector from the seat safety
switch. Temporarily install a jumper wire across
terminals in the wiring harness connector.
4
1
6
5
3 m–3800
5. Pump rod
6. Double nuts
7. Jam Nut
39
4. Loosen locknut at ball joint on pump control rod
(Fig. 50).
Note: The front nut of each rod has left–hand threads.
5. Start engine, open throttle 1/2 way and release parking
brake; refer to Starting and Stopping the Engine,
page 20.
6. Adjust pump rod length by rotating double nuts on rod,
in the appropriate direction, until wheel is still or
slightly creeps in reverse (Fig. 50).
7. Move motion control lever forward and reverse, then
back to neutral. Wheel must stop turning or slightly
creep in reverse.
Note: Motion control lever must be in neutral while
making any adjustments.
8. Open throttle to fast. Make sure wheel remains
stopped or slightly creeps in reverse, re-adjust if
necessary.
9. Repeat on opposite side of unit. Tighten locknuts
against ball joints.
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.
10. Shut off unit. Remove jumper wire from wire harness
connector and plug connector into seat switch.
11. Reinstall prop rod and lower seat.
12. Remove jack stands.

Replacing the Pump Drive Belt

Check pump drive belt for wear after every 50 hours of
operation.
1. Pull spring loaded idler down and remove traction belt
from the engine and hydro pump pulleys (Fig. 51).
Remove belt between pulleys.
2. Install new belt around engine and hydro pump pulleys
(Fig. 51).