TM-9-2320-285-24-2
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-2 - Page 50 of 698
TM 9-2320-285-24-2
3-9.
ALTERNATOR MAINTENANCE (CONT)
STEP
LOCATION
ITEM
ACTION
REMARKS
TESTING
(cont)
11
(cont)
NOTE
It is not possible to check the stator assembly for opens or short circuits
without laboratory test equipment.
However, if all other checks are normal
and alternator does not produce rated output, shorted windings are
indicated.
REASSEMBLY
12
Housing (8)
a.
Bushing (62)
Install
Use suitable sleeve and press
in
b.
Bearing (61)
Install
Use thin wall, tubing to press
in.
Bearing must be flush
with drive end of housing
c.
Grommet (60)
Install
d.
Stator assem-
Install
bly (59)
e.
Capacitor (58)
Position
f.
Bracket (57)
Install
and screw
(56)
g.
Field coil (21)
Position
h.
Five screws
Install and
(20)
tighten
i.
Insulator (54)
Install
j.
Rectifier
Install
bridge (53)
k.
Two screws
Install
(52), washers
(66), and
washers (31)
13
Output
a.
Insulated wash-
Assemble
On top of connector (39)
terminal
er (38),
connector
washer (37),
(39)
lock washer
(36), nut
(35), washer
(34), lock
washer (33),
nut (32), in-
sulator (64)
and bolt (65)
3-44
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