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 879 of 1469
INSTALLATION
NOTE
•
If new double check valve is being installed, use fittings from old double check valve.
•
Apply sealing compound to all male pipe threads before installation.
1.
If removed, install reducer (Figure 2, Item 1) on double check valve No. 7 (Figure 2, Item 5).
2.
Install adapter (Figure 2, Item 4) on double check valve (Figure 2, Item 5).
3.
Install double check valve (Figure 2, Item 5) on tee (Figure 2, Item 9) mounted on step support bracket
(Figure
2,
Item
10).
4.
Install elbow (Figure 2, Item 6) on double check valve (Figure 2, Item 5).
5.
Install air line (Figure 2, Item 8) on elbow (Figure 2, Item 6) and tighten nut (Figure 2, Item 7).
6.
Install secondary tank jumper air line (Figure 2, Item 2) on adapter (Figure 2, Item 4) and tighten nut
(Figure
2,
Item
3).
M9432DAA
2
1
3
4
5
6
7
8
9
10
Figure 2.
Double Check Valve No. 7 Installation.
END OF TASK
TM 9-2320-272-23-3
0455
0455-4
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