MODEL BMG-780 GRINDER
SECTION 9
FAULT DIAGNOSIS
64
OPERATING MANUAL
MARCH 2009
Grinding & Polishing
Fault
Possible Cause
Remedy
Excessive vibration
Imbalance due to worn or
broken grinding tools.
PU-belt is too tight.
Screws worked loose on the
grinding disk(s)
Replace all worn or
broken parts.
Release the tension of
the upper belt.
Tighten the counter-
sunk head screws on the
grinding disc.
Unusual noises
Defective bearing.
Wrong tension of the 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
belt, replace the 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 belt.
Replace the worn parts.
Replace the grinding
tools with appropriate
grinding tools for the
surface to be treated.
Re-tension the belt.
9.1 TROUBLESHOOTING – GRINDING MACHINE
Prior to any repair work on the machine or its drives, the
machine must be secured against unintentional activation. Put
the machine in its Safety off position. See section 2.6.
Содержание BMG-780 ULTRAPRO
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Страница 81: ...MODEL BMG 780 GRINDER SECTION 10 SPARE PARTS 80 Grinding Polishing OPERATING MANUAL MARCH 2009 Center Pulley ...
Страница 83: ...MODEL BMG 780 GRINDER SECTION 10 SPARE PARTS 82 Grinding Polishing OPERATING MANUAL MARCH 2009 Contra pulley ...
Страница 85: ...MODEL BMG 780 GRINDER SECTION 10 SPARE PARTS 84 Grinding Polishing OPERATING MANUAL MARCH 2009 Driving Pulley ...
