TM-9-2920-257-30-P
GENERATOR, ALTERNATING CURRENT, 200 AMPERES
TECHNICAL MANUAL; DIRECT SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS
MAY 1987
TM-9-2920-257-30-P - Page 51 of 111
TM 9-2920-257-30&P
CAUTION
Ensure that ball bearing is pressed all the way down onto rotor
shaft .
Failure to do so may result in damage to the anti-drive
end housing in later assembly steps.
Front face of ball bearing
must be at least 5/32 inch (3.97 mm) below front face of drive
end housing.
(f) Place ball bearing (23) in position on bearing bore. Place
ball bearing tool (fig .
F-1) on top of bearing so that larger diameter
end is in contact with bearing.
Press bearing in until it bottoms out
against bearing stop on shaft of rotor (14).
NOTE
Assembly spacer tool installed in step (b) above will be removed
in step (g) below.
(g) Remove entire assembly from arbor press and remove anti-drive
end housing (9) and assembly spacer tool (fig. F-1) used to position
rotor (14) during rotor assembly.
Install anti-drive end housing on
shaft of rotor, making sure that stator laminations fit flush in pilo t
bore of anti-drive end housing and stator locating pin meshes with
matching hole in anti-drive end housing.
(h) Place entire assembly in arbor press with drive end housing
assembly (21) facing up, supporting assembly on hub area of anti-drive
end housing (9) around shaft of rotor (14).
(i) Place ball bearing tool (fig .
F-1) on top of bearing (23) so
that larger diameter end is in contact with bearing.
Press bearing in
until it bottoms out in bearing bore of drive end housing assembly (21).
(j) Fill cavity around area of shaft of rotor (14) and coat
surface of bearing (23) with grease (item 4, App B).
3-2 1
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