CLUTCH MAINTENANCE
The centrifugal clutch on this machine is permanently lubricated and does not require oil or
grease. If, after long periods of use, the drum wobbles excessively, replace the drum
assembly. Always replace shoes and springs in sets. Whenever shoes are changed, replace
all springs.
CLUTCH REMOVAL
1. Remove clutch from shaft by removing bolt and washers.
2. Slide clutch off shaft.
3. Remove key from keyway.
DISASSEMBLY OF EXISTING CLUTCH
1. Remove retainer ring and slide off drum assembly.
2. Unhook one spring from its shoe. Use tape wrapped pliers to avoid nicking spring.
3. Carefully note position of shoes. Remove shoes from hub.
REASSEMBLE
1. Locate shoes correctly on hub for rotation required.
2. Place one end of each spring over a shoe pin, stretch spring just enough to clear pin on
the other shoe. Use tape wrapped pliers to avoid nicking spring. Avoid over stretching
that may damage spring. Repeat for all shoes.
3. Replace washer on hub shaft.
4. Reassemble drum to hub, secure with retaining ring.
5. Locate key in keyway of hub.
6. Slide clutch onto crankshaft, then washers.
7. Secure hub by tightening cap screw and allen head set screws.
INSTALLATION OF A NEW CLUTCH
1. Clean shaft and remove any burrs.
2. Apply anti-seize compound to the shaft.
3. Place key in keyway on shaft.
4. Slide clutch onto shaft, secure with bolt, flatwasher and lockwasher (items #21, #22 and
#23).
5. Tighten two allen head set screws.
23
Summary of Contents for DR CHIPPER C123E-CHP
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