Operating Instructions
BG-250G11/G13
Troubleshooting
November 2004
© Copyright Blastrac
57
Revision (A) 12-23-04
9.1 Grinder
troubleshooting
Prior to any repair works on the machine or its drives the
machine must be secured against unintentional starting. Put
the machine in “Maintenance Mode
.”
See Chapter 2.6
Fault Possible
cause Remedy
Excessive
vibration
Imbalance due to worn or
broken grinding tools.
Loose screws at the
grinding disc
Replace all worn or broken parts.
Check flexible coupling.
Tighten screws in the grinding disc.
Unusual
noises
Defective axle bearing
Wrong tension of the V-
belt
Dirt and debris in flexible
coupling
Check axle bearing and replace if
necessary.
Check the tension of the V-belt,
replace the V-belt if necessary
Clean the coupling
Reduced or
no grinding
performance
Grinding tools have
reached the maximum
permissible wear
Inappropriate grinding tool
for the application
V-belt tension low
Replace the worn spares
Replace the grinding tools by
appropriate grinding tools for the
surface to be treated
Tension the V-belt
