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 626 of 852
TM 9-2320-283-20-2
BRAKE SYSTEM.
3-171.
PARK BRAKE VALVE REPLACEMENT (Continued).
LOCATION/ITEM
ACTION
REMARKS
WARNING
Never work on air system components without first draining air pressure.
Failure to follow this
precaution
can result in serious personal injury.
A.
REMOVAL.
1.
Two screws (18)
Remove.
and washers (17).
2.
Wire (13), wire
Remove.
Tag for identification.
(14), and wire
Item (13) and item (14)
(16).
share a common terminal.
3.
Three air lines
Remove.
Tag.
(1).
4.
Pin (5).
Remove from item (7).
Use small drift.
5.
Knob (7).
Remove.
Pull off.
6.
Nut (6).
Loosen and remove.
7.
Park brake valve
Remove from item (8).
assembly (10).
8.
Pressure switch
Remove.
(15).
9.
Elbow (9) and
Remove.
elbow (4).
10.
45° elbow (2),
Remove.
street tee (12),
street elbow (11),
and 90' elbow (3).
B.
CLEANING AND INSPECTION.
11.
All parts.
Clean and inspect.
Refer to paragraphs 3-4
and 3-5.
3-998
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