Replacing The Pump-Drive Belt - Toro 74534 Operator's Manual

Replacing the Left Mower-Deck Belt
1. Disengage the PTO 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. Loosen the bolts and remove the belt covers with the
bolts attached to them.
4. To remove the left mower belt, the right mower belt
needs to be removed first; refer to
5. Remove the spring from the anchor post on the
idler-pulley arm (Figure
6. Remove the worn mower belt
7. Install the new mower belt around the deck pulleys, the
clutch pulley, and the idler pulley
8. Install the spring onto the anchor post
9. Install the right mower belt; refer to
10. Install the belt covers onto the cutting unit and secure
the bolts.
Figure 65
1. Belt
2. Spring-loaded idler pulley

Replacing the Pump-Drive Belt

Service Interval: Every 100 hours—Check the pump-drive
belt.
1. Disengage the PTO 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 mower-deck belt.
4. Tilt the machine; refer to
(page 28).
5. Remove the shoulder bolt, the nut, and the washer
from the engine deck and connected spring
(page ).
63).
(Figure 63).
(Figure 63).
(Figure 63).
(page ).
3. Spring
Raising the Mower for Access
(Figure
5
4
1. Hydraulic pumps
2. Idler pulley
3. Clutch pulley
6. Remove the pump-drive belt
7. Install the new belt around the clutch and the 2 pump
pulleys.
8. Install the spring onto the shoulder bolt and washer,
and connect it to the engine deck with the nut
66).
9. Lower the machine to the operating position.
10. Install the mower-deck belt.
66).
46
6
1
G015402
Figure 66
4. Clutch retainer
5. Pump-drive belt
6. Shoulder bolt, nut, and
washer
(Figure 66).
2
3
(Figure