Toro ProLine 20 HP, Руководство оператора

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Maintenance
35
Replacing the Traction Belt
Check traction drive belt for wear after every 50
hours of operation.
1. Raise the front of the machine and hold with
jack stands.
2. Disconnect in–line wire connector from wire
harness to electric clutch.
3. Remove mower drive belt; refer to mower
Operator’s Manual.
4. Remove left front engine mounting bolt securing
clutch retainer to frame (Fig. 31). Unhook
retainer from clutch and remove retainer.
5. Move idler pulley and remove traction belt from
the drive pulleys and clutch.
6. Install new belt around clutch and drive pulleys.
7. Hook clutch retainer into clutch and secure to
frame with engine mounting bolt. Torque engine
mounting bolt to 170–220 in. lb. (19–24 N.m).
8. Connect clutch in–line wire connector to wire
harness.
m–2614
1
2
3
4
Figure 31
1. Traction belt
2. Idler pulley
3. Clutch retainer
4. Drive pulley
Adjusting the Electric Clutch
The clutch is adjustable to ensure proper engagement
and proper braking. Check adjustment after every 100
hours of operation.
1. To adjust clutch, tighten or loosen lock nuts on
flange studs (Fig. 32).
2. Check adjustment by inserting feeler gauge
through slots next to studs (Fig. 32).
3. The proper disengaged clearance between the
clutch plates is .012–.018 in. (0.30–0.45 mm). It
will be necessary to check this clearance at each
of the three slots to ensure the plates are parallel
to each other.
m–2600
1
2
3
Figure 32
1. Adjusting nut
2. Slot
3. Feeler gauge