Manual

1000 Series Granulators Chapter 6: Troubleshooting 31 of 45
6-3 Processing Faults
Problem
Possible Cause
Possible Remedy
Stalling
Overfeeding
Reduce feed rate
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
Knife setting too wide
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
Material overheating
Check all possible causes
under “stalling”
Remedy as shown above
Screen size too small
Increase screen size
When granulating rubber,
insufficient talc causes
freshly cut surfaces to re-
adhere
Increase talc percentage rate
of infeed
Blockage in airveyor
Check direction of fan
rotation, check venturi and
line or chute for blockage