Replacing The Traction Belt - Toro 74182 Operator's Manual

4
7
6
5
1
2
Figure 31
1. Idler
2. Spring
3. Gr box pulley
4. Clutch hub
5. Install new belts over clutch. Align clutch hub
key with crankshaft keyway and notch with stop
bracket. Slide clutch onto crankshaft (Fig. 32).
6. Apply Loctite (blue) thread lock to threads and
install washer and bolt securing clutch.
7. Torque clutch mounting bolt to 50–60 ft–lb.
(68–81 N m).
8. Route belts around clutch and gearbox pulleys
and above spring loaded idler (Fig. 32).
9. Hold spring loaded idler against belts and pull
spring down to install on lower bolt mount
(Fig. 31).
1
2
4
Figure 32
1. PTO belt
2. Clutch pulleys
3
m–3295
5. Stop
6. Bolt
7. Washer
3
m–3225
3. Gearbox pulley
4. Spring loaded idler

Replacing the Traction Belt

Check traction drive belt for wear after every 50
hours of operation.
1. Remove PTO belts; refer to Replacing Power
Take Off (PTO) Belts.
2. Push spring loaded idler down and remove
traction belt from the engine, fixed idler and
hydro pump pulleys (Fig. 33). Remove belt over
clutch.
3. Install new belt over clutch and around engine,
fixed idler and hydro pump pulleys (Fig. 33).
4. Push spring loaded idler down and align below
traction belt. Release pressure on spring loaded
idler (Fig. 33).
5. Install PTO belts; refer to Replacing Power Take
Off (PTO) Belts.
3
2
1
Figure 33
1. Traction belt
2. Engine pulley
3. Fixed idler pulley
Maintenance
4
5
m–3225
4. Hydro pump pulley
5. Spring loaded idler
31