TROUBLE
POSSIBLE CAUSE
PROBABLE REMEDY
BEARINGS
RUN TOO HOT
Bearing temperature is high, but
within limits.
Align drive properly.
Drive misaligned.
Check piping installation for proper
support.
Suction and discharge lines not prop-
erly supported.
Check for proper type and level of
lubricant.
Low or incorrect lubricant.
Check bearing temperature regu-
larly to monitor any increase.
Check belt tension. Adjust as
required.
Excessive tension on drive belt.
EXCESSIVE NOISE
Cavitation in pump.
Reduce suction lift and/or friction
losses in suction line. Record vac-
uum and pressure gauge readings
and consult local representative or
factory.
Clean out debris; replace damaged
parts.
Impeller clogged or damaged.
Secure mounting hardware.
Pump or drive not securely mounted.
Locate and eliminate source of air
bubble.
Pumping entrained air.
PA SERIES PUMPS
MR--04835
TROUBLESHOOTING
PAGE B -- 3
