TM 55-2925-236-40
GENERAL SUPPORT MAINTENANCE
(8) Remove three screws (24), three lock
washers (25), and three washers (26) to free
a. General.
capacitor leads,
(9) Using retaining ring pliers, remove lock
extent necessary for repair by following the il-
rings (27 and 38). Remove outer dirt slingers
lustrated parts breakdowns and the exploded
(35 and 43). Remove four screws (28) and four
lock washers (29) to free bearing retainer (37).
paragraphs b and c.
(10) Remove four screws (41) to free bear-
(2) The index numbers are assigned in the
ing retainer (45), Remove outer race bearing
order of disassembly, except that attaching parts
retainer (40).
are listed immediately following the parts they
(11) Remove six screws (31), six lock wash-
attach.
ers (32), and six special washers (33), Press
b. Starter Generator.
armature assembly (39), with attached end bell
(1) Secure the starter generator to interface
assembly (30), out of housing and stator (53).
(1106354-1) and mount both on generator over-
haul stand (1106187).
Note. Use bearing retainer puller (1106269)
only if there is bearing or other internal failure.
(2) Loosen screw (2, figure 3-1) enough so
that brush access cover assembly (1) can be
(12) Using bearing retainer puller (1106269),
slipped off from the fan end of the housing and
press armature assembly (39), with ball bear-
stator (53).
ings (36 and 44) attached, out of end bell assem-
bly (30). Refer to paragraph c below for disas-
Note. The last two threads of screws (2) have
been distorted to captivate nut (3).
sembly instructions of the end bell assembly.
(13) Using bearing puller (1106023-1), pull
(3) Remove eight screws (5), eight lock
ball bearings (36 and 44) off the shaft of arma-
washers (6), and eight washers (7). Using brush
ture assembly (39). Discard the ball bearings at
spring hook ( QB802771, lift up the brush
each overhaul.
springs, and remove eight split-type brushes (4).
(14) Remove inner dirt slingers (35 and 43)
Discard the brushes.
and bearing retainers (37 and 45). Remove four
(4) Remove three self-locking nuts (8) and
bushings (42) from housing and stator (53).
three washers (9), and disconnect capacitor ter-
minals from the B + and E- studs.
(15) Remove four screws (47) and identifi-
(5) Remove two self-locking nuts (10) and
cation plate (46).
two washers (11), and disconnect the stator ter-
(16) Remove two screws (50), two washers
minals from the A+ and D terminal studs.
(51), terminal board (49), and terminal board
(6) If visual inspection indicates damage,
remove capacitors (15) with terminals (12
c. End Bell Assembly.
through 14).
(1) Remove capacitors (6, 13, 20, and 27,
(7) Remove six screws (17) and fan hous-
removing two screws (1), two lock washers (2),
ing (16). Hold the spline of drive shaft assembly
and two washers (3), self -locking nuts (7, 14,
(22) with spline wrench (QB80059-3), and using
and 21), washens (8, 15, and 22), washers (9,
a 7/16-inch (12-point thin wall) socket wrench,
remove self-locking nut (19), washer (20), fan
16, and 23), and screws (10, 17, and 24). Do not
(18), and compression spring (21), Remove drive
attempt to remove terminals (4, 11, 18, or 25)
shaft assembly (22), and front plate (23).
unless damaged.