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6 . 3 S t o p p a g e a n d o v e r l o a d i n g o f
g r a n u l a t o r
Stoppage in cutter housing
Cutter stoppage
If the granulator is overloaded so that the cutter has jammed.
Open the cutter house door carefully, then undo and remove the granule bin, screen
and screen box. Opening see section 5.7.
Open the hopper carefully, opening see section 5.7.
If the cutter has jammed, use a wooden pole and carefully try to release the cutter
in reverse rotational direction.
Clean the hopper, cutter housing, screen, screen box and granule bin.
Reset the granulator motor’s overload protector in the electrical cabinet –
see section 6.5 “Fault-finding”
.
Overfilling in cutter housing
Look for and attend to the cause of overfilling in the granulator.
• Check the hopper, granule bin and outfeed (blower, transport pipe, cyclone
filter etc.).
• Check the knives and knife tolerance. If the granulator knives are blunt and
un-sharpened, or if the knife clearance is incorrect, this can cause overfilling in
the cutter housing.
Check the knives. Sharpen or replace the knives, or adjust the knife clearance.
see section 7.2 “Sharpening of knives”
• Check the drive belts. If the tension of drive belts is too low, the transmission
will slip and the cutter’s rotational speed will drop too low – this can cause
overfilling in the cutter housing.
Clean the hopper, cutter housing, screen, screen box and granule bin.
Reset the granulator motor’s overload protector in the electrical cabinet – see
section 6.5 “Fault-finding”.
• Check the granulator’s screen. The dimensions of the holes in the granulator’s
screen must be appropriate to the material to be granulated, and if the size of the
holes is wrong this can lead to overfilling in the cutter house.
Contact Conair’s local distributor or Conair’s head office.
Hardened lumps in the cutter housing, screen box and granule bin
If the cutter housing, screen box, screen and granule bin are filled with compacted
stiffened/hardened plastic.
Contact Conair’s local distributor or Conair’s head office.
NOTE:
Before troubleshooting,
attending to mechanical faults
and maintenance work, switch
“Off” the granulator main
switch and “Break the power
supply” to the granulator and
the granulator optional fittings.
NOTE:
Never use metal objects
to try and release a jammed
cutter. This can damage the
cutter, knives, knife positions,
support rules and cutter hous-
ing.
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