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CHART 5-WON’T PUMP AIR
PUMP SLOWS, STALLS, OR TRIPS CIRCUIT BREAKER (FUSE OPENS)
CHECK FOR PLUGGED
DISCHARGE TUBE
DISCONNECT TUBE AT
COMPRESSOR PUMP
MOTOR
REPLACE
CLEAN OR
REPLACE
AND TEST
C H E C K V A L V E
N O
REPLACE OR REPAIR
PUMP, SEE “PUMP
REMOVAL
REPLACEMENT” I
EXCESSIVE VIBRATION
normal operating conditions. Readjust to eliminate or
reduce vibration noise.
This problem is usually due to omission of vibration
pads or an uneven weight distribution on the pads. Shut
unit off and apply weight to different corners of the unit.
Shim out excessive rocking. Use adjustable levelers for
uneven floors.
Belt guards often produce a vibrating noise even under
Sometimes, even normal operation of the compressor
is considered excessive in noise or vibration. In such cases,
a remote air intake, adjustable pads, and air-line vibration
isolators may be required. Isolators are stocked by
Honeywell.
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