TM-9-2320-272-23-5

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 5 OF 5

SEPTEMBER 2012

  TM-9-2320-272-23-5 - Page 287 of 623

REMOVAL (FORWARD-REAR AXLE DOUBLE CHECK VALVE)
WARNING
Do not disconnect air lines or hoses before draining air reservoirs. Small parts under pressure
may shoot out with high velocity. Failure to comply may result in injury or death to personnel.
NOTE
Tag air lines for installation.
1.
Disconnect air line (Figure 1, Item 10) from adapter (Figure 1, Item 11).
2.
Disconnect two air lines (Figure 1, Item 1) from elbows (Figure 1, Item 2).
3.
Remove two elbows (Figure 1, Item 2) from double check valve (Figure 1, Item 8).
4.
Remove switch (Figure 1, Item 3) and adapter (Figure 1, Item 11) from tee (Figure 1, Item 9).
5.
Remove tee (Figure 1, Item 9) from double check valve (Figure 1, Item 8).
6.
Remove locknut (Figure 1, Item 4), washer (Figure 1, Item 5), double check valve (Figure 1, Item 8), and screw
(Figure 1, Item 7) from frame rail (Figure 1, Item 6). Discard locknut.
TM 9-2320-272-23-5
0802
0802-2


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