Belt Maintenance; Inspecting The Belts; Replacing The Pto Belts; Replacing The Pump Drive Belt - Toro 74311TE Operator's Manual

Belt Maintenance

Inspecting the Belts

Service Interval: Every 40 hours
1. Stop the machine and move the speed-control lever
to the N position.
EUTRAL
2. Disengage the PTO, engage the parking brake, stop the
engine, and wait for all moving parts to stop.
3. Tilt the hopper up and check the pump and PTO drive
belts for wear, cracking, or contamination.
Note: The belts are spring tensioned; no adjustment is
necessary unless you replace the belts.

Replacing the PTO Belts

1. Stop the machine and move the speed-control lever
to the N position.
EUTRAL
2. Disengage the PTO, engage the parking brake, stop the
engine, and wait for all moving parts to stop.
3. With the engine off, engage the PTO lever, then
remove the hairpin and clevis pin at the bottom of the
PTO brake band.
4. Rotate the brake band upward out of the way of the
belts keeping clear of the belt drive.
5. Disengage the PTO lever.
6. Loosen belt guides A and B
7. Remove the belts.
8. Route the new belts onto the pulleys as shown in
Figure 57.
Figure 57
1. Idler
2. Belt guide B
3. PTO belt
4. Jackshaft
9. Engage the PTO lever.
10. Rotate the brake band down into the original position.
11. Install clevis pin and hairpin to secure brake band.
(Figure 57).
5. Engine
6. Belt guide A
7. Blower
12. Engage the PTO lever.
13. Loosen the jam nuts and adjust the linkage until the
top of the idler arm is aligned with the bottom of the
notch on the tension arm as shown in
1. Tension arm
2. Loosen jam nuts
3. When PTO is engaged, align top of idler arm with bottom of
notch on tension arm, as shown.
4. Idler arm
14. Tighten the jam nuts and disengage the PTO lever.
15. Engage PTO lever and check the alignment.
16. Check and adjust the belt guides as stated in
the Belt Guides (page

Replacing the Pump Drive Belt

1. Stop the machine and move the speed-control lever
to the N
EUTRAL
2. Disengage the PTO, engage the parking brake, stop the
engine, and wait for all moving parts to stop.
3. Remove the PTO belts; refer to
Belts (page 46).
4. Pull spring idler or remove spring to relieve the tension
on the pump drive belt.
5. Remove the old belt.
6. Route the new belt onto the pulleys as shown in the
decal located on the back of the left drive shield
59).
46
Figure
Figure 58
47).
position.
Replacing the PTO
58.
Adjusting
(Figure