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 289 of 623

INSTALLATION (FORWARD-REAR AXLE DOUBLE CHECK VALVE)

1.

Install double check valve (Figure 2, Item 8) on frame rail (Figure 2, Item 6) with screw (Figure 2, Item 7),

washer (Figure 2, Item 5), and locknut (Figure 2, Item 4).

NOTE

Wrap all male pipe threads with antiseize tape before installation.

2.

Install tee (Figure 2, Item 9) on double check valve (Figure 2, Item 8).

3.

Install adapter (Figure 2, Item 11) and switch (Figure 2, Item 3) on tee (Figure 2, Item 9).

4.

Install two elbows (Figure 2, Item 2) on double check valve (Figure 2, Item 8).

5.

Connect two air lines (Figure 2, Item 1) to elbows (Figure 2, Item 2).

6.

Connect air line (Figure 2, Item 10) to adapter (Figure 2, Item 11).

TM 9-2320-272-23-5

0802

0802-4