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DFG-SERIES SURFACE GRINDERS OPERATION AND PARTS MANUAL REV #4 (05/28/09) PAGE 43
MAINTENANCE/SERVICE
FIGURE 44
DANGER
WEAR SAFETY EYEWEAR AND OTHER
APPROPRIATE APPAREL WHEN
DISASSEMBLING THE CENTRIFUGAL CLUTCH
ASSEMBLY. CAUTION ALL ONLOOKERS
REGARDING THE POTENTIAL FOR FLYING
DEBRIS. FAILURE TO EXERCISE PROPER
SAFETY PRECAUTIONS CAN RESULT IN
PROPERTY DAMAGE AND/OR PERSONAL
INJURY.
FIGURE 45
b) Disassemble the rotor/shoe assembly and
drum/pulley assemblies. Clean each component
with an appropriate safety solvent. Pay special
attention to the inside diameter bore of the
drum/pulley assembly bearing. Inspect for signs
of excessive wear and damage which can allow
the rapid formation of foreign material
accumulation. FIGURE 46
FIGURE 46
CAUTION
Observe all applicable safety precautions for the
solvent.
c) The clutch rotor springs and shoes are relatively
maintenance free and should deliver many
hours of trouble free operation before compete
replacement is required. Severely discolored
springs and shoes are signs of excessive clutch
slippage caused by improper operation
techniques. FIGURE 47.
FIGURE 47
10) Reassemble the components in reverse order
and install the clutch assembly on the engine
crankshaft with the pulley facing towards the
engine.
11) Reinstall the V-belts to the transmission and
clutch pulleys and tighten as outlined in
CHECKING V-BELT TENSION AND
ALIGNMENT.