Group 16, Electrical Motors
16-3-2 • Pump Motor Overhaul SM 765, Nov ’06
Pump Motor Exploded View
Ball Bearings
Both ball bearings are maintenance free. If it becomes
necessary to remove the bearings to repair the motor, they
should be replaced. In any case the seals (shaft oil seal and
O-ring) must be replaced.
In general bearings should be replaced at approximately
10,000 operating hours.
Encoder Bearing
The encoder bearing is used to communicate the motor
speed to the controller.
N
TE
The encoder bearing is very sensitive to static
electricity. If you are going to be working on
the encoder bearing you should have a
ground strap on to insure that the encoder
bearing does not get damaged.
Terminal Block
Mounting Bracket
Terminal Block
Rotor
Stator
Encoder
Bearing
O-Ring
Wave Washer
Non-Drive
End Frame
Ball Bearing
Snap Ring
Screw
Snap Ring
Drive End Frame
Shaft Seal
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