Revised 06/09
C-320/C-320C and C-380/C-380C Technical Service Manual
3
Flowchart C
Shredder runs but makes noise
A motor bearing
may be defective
Procedure:
Replace Motor
Cutting cylinders
may need oil
Lubricate cutting
cylinders
Cutting cylinder
may be
damaged
Squeaking
noise?
Turn on
shredder ;
listen to noise
Did Squeaking
Stop?
Stripping devices
may be defective
Procedure:
Replace
Stripping
Devices
Squealing
noise?
Clunking/
Grinding
noise?
Cutting
assembly gear
may be
damaged
Procedure:
Remove
Gearbox
Examine gears;
replace as
needed
Procedure:
Repair Cutting
Assembly
No
Yes
Yes
No
No
Yes