Belt Maintenance; Inspecting The Belts; Replacing The Pto Belts - Toro 74310 Operator's Manual

Note: When the brakes are disengaged, there should
be little to no free play in the brake linkage with no
dragging in the brakes.

Belt Maintenance

Inspecting the Belts

Service Interval: Every 40 hours
1. Stop the machine and move the speed control lever to
the neutral position.
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 and no
adjustment is necessary unless the belts are replaced.

Replacing the PTO Belts

1. Stop the machine and move the speed control lever to
the neutral position.
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 upwards 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 (Figure 51).
7. Remove the belts.
8. Route the new belts onto the pulleys as shown in
Figure 51.
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.
12. Engage the PTO lever.
42
Figure 51
5. Engine
6. Belt guide A
7. Blower