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© ITW Inc 2007
Service Checks
Condition Cause Correction
Air motor is sluggish or rotates
slowly or stops
Dirt or foreign object trapped in the
motor or from Internal corrosion
Flush the motor, or strip motor and
clean as instructed on P4
Air motor runs hot and slows down Vanes misaligned Strip and rebuild motor
Air motor runs slowly Low air pressure Raise air pressure
Motor runs slowly even at max
pressure
Air line bore too small and/or length
of airline.
Exhaust restricted
Use larger bore airline and/or
shorten airline.
Change muffler filter or flush motor
or strip and clean.
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