TM-9-2320-272-23-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-3 - Page 1000 of 1469
REMOVAL - Continued
6.
Disconnect air lines (Figure 2, Items 4, 6, and 7) from quick-release valve (Figure 2, Item 1).
7.
Remove locknut (Figure 2, Item 13), washer (Figure 2, Item 14), screw (Figure 2, Item 17), and double check
valve No. 4 (Figure 2, Item 12) from access box cover (Figure 2, Item 16). Discard locknut.
8.
Remove locknut (Figure 2, Item 13), washer (Figure 2, Item 14), screw (Figure 2, Item 17), and double check
valve No. 3 (Figure 2, Item 15) from access box cover (Figure 2, Item 16). Discard locknut.
9.
Remove two locknuts (Figure 2, Item 13), screws (Figure 2, Item 14), and quick-release valve
(Figure
2,
Item
1) from access box cover (Figure 2, Item 16). Discard locknuts.
NOTE
Position valves in soft-jawed vise to remove fittings.
10.
Remove two fittings (Figure 2, Item 2) and fitting (Figure 2, Item 5) from double check valve No. 4
(Figure
2,
Item
12).
11.
Remove two fittings (Figure 2, Item 2) and fitting (Figure 2, Item 5) from double check valve No. 3
(Figure
2,
Item
15).
12.
Remove three fittings (Figure 2, Item 2) from quick-release valve (Figure 2, Item 1).
M9803DAA
6
9
5
5
4
3
2
1
13
12
2
11
7
8
10
16
14
2
18
19
17
15
Figure 2.
Double Check Valve Removal.
END OF TASK
TM 9-2320-272-23-3
0477
0477-3
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