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 674 of 852
TM 9-2320-283-20-2
BRAKE SYSTEM.
3-177.
RELAY 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 injury.
A
REMOVAL
1
Tube (5)
Remove from item (4)
Tag for identification.
2
Tube (10)
Remove from item (9)
Tag for identification.
3
Tube (11)
Remove from item (9)
Tag for identification.
4
Tube (12)
Remove from item (9)
Tag for identification.
5
Two capscrews
a
Remove from item (2).
(1), nuts (6),
and washers (7)
b
Remove item (2) from
item (8).
6
Valve (2)
Place in suitable vise.
7
Elbow (4)
Remove from item (3)
Tag for identification.
8
Elbow (3)
Remove from item (2)
Tag for identification.
9
Three connectors
Remove from item (2)
Tag for identification.
(9).
10 Plug (13)
Remove from item (2)
Tag for identification.
11 Valve (2)
Remove from vise.
B
CLEANING AND INSPECTION
12 All metal parts
Clean and inspect
Refer to paragraphs 3-4
and 3-5.
3-1046
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