TM-9-2320-283-34-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1983
TM-9-2320-283-34-1 - Page 229 of 624
TM 9-2320-283-34-1
ELECTRICAL SYSTEM.
3-22.
STARTER MOTOR AND SOLENOID REPAIR (Continued).
LOCATION/ITEM
ACTION
REMARKS
C.
ELECTRICAL CHECKS (Continued).
42.
Shaft (79),
Test each bar.
Test lamp should not
twenty-seven bars
light.
(80), and twenty-
seven sections
(81).
43.
Armature assembly
Rotate while holding item
A short circuit exists
(25), twenty-seven
(84) approximately 1/16 inch
if item (84) begins to
sections (81),
over item (81).
vibrate and pull toward
and blade (85).
item (81).
If this
happens, item (25) is
defective.
44.
Coil and jumper
Using armature test set or
There should be no
assembly (74) and
multimeter, test for
current flow between
ring (15).
continuity between items
them.
If there is,
(74) and (15).
item (74) is defective.
D.
INSPECTION.
45.
All parts.
Inspect.
Refer to paragraph 3-5.
46.
Armature assembly
a.
Set up as shown in
(25), two V-blocks illustration.
(85), and
indicator (86).
b.
While slowly rotating item
Total indicator run out
(25), check run out of
should not exceed 0.003
twenty-seven items (80).
inch.
3-176
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