Sterlco SMS Series Single Shaft Shredder - Manual (Page 61)

GRN4-605 Chapter 6: Troubleshooting 61 of 93
Overheating of the shredded
material.
View first 5 possible causes
for “Machine blocks or
switches itself off” View first 5 possible
remedies of “Machine blocks
or switches itself off”
Screen perforation too small.
Insert a screen with larger
perforation.
Cutters wrongly sharpened.
Modify cutter finish only
after consulting the
service department.
Material rubs against the
housing wall.
Fit anti-winding device.
Insufficient cooling. Fit rotor cooling.
Unusual vibrations.
Rotor out of balance.
Weight cutters, balance
rotor.
Bearing damage.
Check bearings and replace
if necessary.
Anti-vibration pads defective.
Check mounting pads and
replace if necessary.
Extreme cutter wear.
Bearing damage.
Check bearings and replace
if necessary.
Cutter finish.
Check cutter and sharpen or
replace if necessary.
Wrong cutting gap.
Check cutting gap and set
following the instructions in
this manual.
Foreign matter.
Fit feed device with metal
detector.
Bearings too hot.
Too much grease in bearing. Reduce amount of grease.
V-belts too tight. Reduce tension.
Rubbing on housing sealing
ring. Check sealing ring and oil or
replace.
Bearing damage.
Check bearings and replace
if necessary.
No grease in bearing. Lubricate bearing.
Too many fines in shredded
material.
Screen worn.
Renew screen (possibly
using manganese steel).
Unsuitable screen
perforation.
Replace screen after
consulting the service
department.
Problem Possible Cause Possible Remedy
Cutting gap alters during Cutter mounting screws not
Re-tighten using torque
wrench following the