Quantcast Motors and Motor Mounts

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Most repairs begin by removing the pump motor from the pump itself. There are
minor variations, but to do this:
o
turn off power supply, and disconnect wiring from pump
o
close isolation valves or flanges (or drain the loop)
o
loosen the shaft coupling set screws
o
unbolt the motor from the pump assembly
In all pump repairs, information provided by the pump manufacturer will offer
considerable help with tricks and shortcuts. Be sure new gasket and seal materials
are compatible with the fluid being pumped.
Motors and Motor Mounts
Field personnel rarely make internal motor repairs. Most major pump manufacturers
operate or recommend authorized motor repair stations.
One component which may be replaced in the field are motor mounts. If over-oiling
has occurred, the rubber mount rings may degrade and require replacement. This
is a fairly common cause of shaft misalignment. Also check for degraded rubber
mounting feet at the base of the motor.
FIGURE 5-16
Pump and Motor
Mounts
REPAIR
5.2 REPAIR PROCEDURES
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