Armature Bearing Replacement

If necessary, replace the bearings (12 and 14) or armature assembly (13).

28-MT Components:

Tool For Removing Center Support Bearing:

Tool For Removing Center Support Bearing (Side View):

Tool For Removing Center Support Bearing (Installation View):

Remove or Disconnect
NOTICE: Ball bearings that are removed from the armature must be replaced with new bearings. The removal procedure causes Internal damage to the bearings.

- Commutator end and/or drive end bearings (12 and 14) from the shaft of the armature assembly (13) using a suitable bearing puller.

28-MT Components:

Tool For Removing Center Support Bearing:

Tool For Removing Center Support Bearing (Side View):

Tool For Removing Center Support Bearing (Installation View):

Install or Connect
- New commutator end and/or drive end bearings (12 and 14) to the armature assembly (13) using a tube that bears on the bearing inner race only. Press on the bearing until the inner race bottoms out against the shoulder on the armature shaft.