
1400 Series Granulators Chapter 6: Troubleshooting 30 of 43
6-3 Processing Faults
Partial or complete screen
blockage
Remove screen, clear and
inspect for damage
Insufficient tension on v-belt
drive causing belt slip and
burning
Check tension of the belt and
adjust as necessary
Check that the motor slide
base screws are secure
Badly blunted or damaged
knives
Fit re-sharpened or new
knives as required
Check clearances given and
adjust as required
Installation fault; motor
running in reverse direction
Check with direction arrow
and re-fit electrical
connections to give the
correct direction
Safety switch cut out where
fitted
Tighten safety switch setting
screw
Check all possible causes
under “stalling”
When granulating rubber,
insufficient talc causes
freshly cut surfaces to re-
adhere
Increase talc percentage rate
of infeed
Check direction of fan
rotation, check venturi and
line or chute for blockage
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