TM-9-2320-283-20-2
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 2 OF 3
DECEMBER 1983
TM-9-2320-283-20-2 - Page 256 of 852
TM 9-2320-283-20-2
ELECTRICAL SYSTEM.
3-107.
DIFFERENTIAL LOCK PRESSURE SWITCH REPLACEMENT (Continued).
LOCATION/ITEM
ACTION
REMARKS
A.
REMOVAL.
1.
Three quarter-turn Loosen.
screws (1).
2.
Center instrument
Lower.
panel (2).
3.
Glove compartment
Open and lower.
door (3).
WARNING
Disconnect batteries before removing
circuit breaker
bracket
Failure to
heed warning may result in vehicle
electrical system
damage and serious
personal injury.
3.
Three screws (5)
Remove.
4.
Bracket (4)
Remove and position out of
Remove with circuit
way
breakers and wire
harness attached.
5.
Two screws (6) and
Remove.
two washers (7).
6.
Toggle valve (8)
Remove from back of instru-
ment panel.
7.
Airline (15) and
Remove
Tag for identification.
airline (16).
8.
Two screws (14)
Remove.
and two washers
(13).
9.
Wire (10), wire
Remove
Tag for identification.
(11), and wire
Item (11) and item (12)
(12)
share a common terminal.
10. Pressure switch
Remove.
(9).
3-628
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