Electric Motor
MERGE 12-10
Chapter 12
Fig 12-8: Removal of the bearing
2.3. Face the bearing end forward, and put the armature into the stator enclosure. While the
positioning armature ensuring good contact of commutator/brush, the brush should be ensured
to be held. Release the brush, and place the spring outside the brush so that the brush holds
against the commutator.
3. Mount the end shield onto the stator enclosure.
3.1. Align the match marks on the end shield and the stator enclosure before mounting two bolts
○
8
(see Fig 12-10). Tighten the bolt with a torque of 7.4 foot-pound（10N·m).
4. Ensure the free rotation of the armature. In case the armature cannot rotate freely, remove the
electric motor to spot the problem. In assembly of the electric motor, see to it that the bearing is
properly mounted in the end shield.
Bearing puller
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