TM 5-3805-262-34
13-4. ALTERNATOR REPAIR (CONT)
REASSEMBLY (SHEET 3 OF 5)
In following step, press only
until ball bearing (49) stops
moving to prevent damage to drive
end frame.
(5) Using hydraulic press and
appropriate driver, press ball
bearing (49) into drive end
frame (52) bore until it stops
moving.
f.
Slide inner collar (47) into ball bearing (49).
g.
Install new felt washer (48) in retainer (46).
h.
Pack retainer (46) cavity with clean lubricating grease.
i.
Install retainer (46) in drive end frame (52) using three capscrews (45).
j.
Install rotor (44):
(1)
Slide paper tube onto slip ring end of rotor (44) shaft to protect slip
rings.
(2) Apply clean engine oil to
bearing area of rotor (44)
shaft.
In following steps, leave enough
space between hydraulic press
table blocks for installation of
rotor (44).
Press only until
rotor stops moving to prevent
damage to drive end frame (52).
(3)
Position drive end frame (52) on
hydraulic press table blocks.
(4) Using hydraulic press and appropriate driver, press rotor (44) into drive
end frame (52) until rotor stops moving.
k.
Slide outer collar (43) and dust shield (42) onto rotor (44) shaft.
l.
Install fan (41), pulley (40), washer (39), and locknut (38).
m.
Mount pulley (40) in vise with soft jaws, tighten lock nut (38) to 70 to 80
lb-ft, and remove pulley (40) from vise.
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