Diamatic BG-180EC, Operating Manual

Page: 68 / 75

Operating Manual BG-180EC
Fault diagnosis
2
9.1 Fault diagnosis – grinding machine
Prior to any repair works on the machine or its drives the
machine must be secured against unintentional switching-on.
Put the machine to its Safety off position
.
Fault Possible cause Remedy
Excessive
vibration Imbalance due to worn or
broken grinding tools.
PU-belt is to tight Replace all worn or
broken parts
release the tension of
the upper belt
Unusual
noises Defective bearing
Wrong tension of the V-
belt
Defective motor bearing
Debris deposit on the
coupling Check the bearing on
the axle drive shaft and
replace if necessary.
Check the tension of
the V-belt, replace the
V-belt if necessary
Change the motor
Clean the coupling
Reduced or
no grinding
performance Grinding tools have
reached the maximum
permissible wear
Inappropriate grinding tool
for the application
Too low tension of the
V-belt
Replace the worn parts
Replace the grinding
tools with appropriate
grinding tools for the
surface to be treated
Re-tension the V-belt