Replacing The Pump Drive Belt - Toro 74538 Operator's Manual

G015595
1. 6-1/2 inches (165 mm)
from hook to hook
2. Spring
3. Spring loaded idler

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 on it's back. Refer to
Pre-Maintenance at the beginning of the
Maintenance Section.
5. Remove the shoulder bolt, nut and washer from the
engine deck and connected to the spring (Figure 68).
Figure 67
4. Ratchet
5. Square hole for ratchet
6. Nut
5
4
1. Hydraulic pumps
2. Idler pulley
3. Clutch pulley
6. Remove the pump drive belt (Figure 68).
7. Install the new belt around clutch and the two pump
pulleys.
8. Install the spring onto the shoulder bolt and washer
and connect it to the engine deck with the nut
(Figure 68).
9. Lower the machine to the operating position.
Refer to Pre-Maintenance at the beginning of the
Maintenance Section.
10. Install the mower deck belt.
47
6
1
G015402
Figure 68
4. Clutch retainer
5. Pump drive belt
6. Shoulder bolt, nut and
washer connected to
engine deck
2
3