Owner manual

Page 39 of 48
Figure 12: Troubleshooting Table
7-5-1 Processing Faults
Problem Probable Cause Possible Remedy
Overfeeding Reduce feed rate.
Partial or complete screen
blockage
Remove screen, clear and
inspect for damage.
Insufficient tension on the belt
drive causing belt slippage and
burning
Check tension of 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
Remove left hand cover, check
with directional arrow and reset
electrical connections to correct
rotational direction.
Stalling
Safety switch cut out where fitted Tighten safety switch setting
screw.
Check items 1,2,4,5, and 6 under
“Stalling” above.
Remedy as described for those
items.
Screen size too small Increase screen size.
Bed knife shield on rotor
downstroke incorrectly set (when
feeding sheet material)
Check the bed knife projection
beyond the shield. Set as
necessary.
Insufficient talc causing freshly
cut surfaces to re-adhere (when
granulating rubber.)
Increase talc percentage
Material Overheating
Airveyor blockage Check direction of fan rotation.
Check venturi and line/or
transition piece for blockage.