Armature and Brush Holders.

TM 9- 2920- 224- 34&P

ASSEMBLY OF THE GENERATOR - CONTINUED

0010 00

4. Armature and Brush Holders.

a. Install shouldered and recessed washer (1) on commutator--end of generator armature (2) so offset on outer

chamfer of washer is facing commutator.

CAUTION

Armature shaft and ball bearings are designed for a light

press fit. It will be necessary to use an arbor press or a

hammer with a piece of soft metal, tubular pipe stock to

assemble these parts. Tubular pipe stock must have a

bore diameter slightly larger than that of armature shaft

and an outside diameter slightly larger than that of

bearing inner race.

b. Press or drive annular ball bearing in assembled electrical end bell (3) onto commutator--end of armature (2)

using arbor (4). Inner race of bearing must bottom against washer (1).

Rotate end bell on armature to check for any binding in the ball bearing. There must be no evidence of

binding.

0010 00- 10