WACKER Group 0007587, Repair Manual

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TROWEL REPAIR CLUTCH 3
3-3
3.3 Clutch Replacement
Removal:
1. Remove drive belt as described in Section 3.1
Belt Replacement.
2. Remove 5/16x18 screw
(d)
and 5/16 washer
(c)
which secures clutch assembly to crankshaft.
3. Loosen setscrew on clutch assembly. Pull clutch
assembly
(b)
from crankshaft. If a 3-jaw puller is
used, thread in screw
(d)
4-6 turns to protect threads
in crankshaft. Push against bolt head rather than
directly against shaft end.
4. Remove key
(a)
. Inspect key and keyways for signs
of shearing. Replace key if deformed or if edges
are rounded.
Installation:
1. Coat engine crankshaft with Alvania #2 or equivalent.
Install key
(a)
in keyway.
2. Slide clutch assembly
(b)
over crankshaft. Make sure
that keyway lines up with key. Tap with rubber mallet
if necessary. Tighten setscrew.
3. Replace washer
(c)
and screw
(d)
. Tighten to
13 ft.lbs. (18 Nm).
1001RM06
a
b
d
c