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 978 of 1469

INSTALLATION

NOTE

•

If new double check valve is being installed, use fittings from old double check valve.

•

Wrap all male pipe threads with antiseize tape before installation.

1.

Position double check valve No. 1 (Figure 2, Item 3) against frame rail (Figure 2, Item 6) and install with screw

(Figure 2, Item 4) and locknut (Figure 2, Item 8).

2.

Connect line (Figure 2, Item 5) to valve adapter (Figure 2, Item 7).

3.

Install tee (Figure 2, Item 10) on double check valve No. 1 (Figure 2, Item 3).

4.

Connect line (Figure 2, Item 9) to tee (Figure 2, Item 10).

5.

Connect line (Figure 2, Item 12) to valve adapter (Figure 2, Item 11).

6.

Connect line (Figure 2, Item 1) to double check valve No. 1 adapter (Figure 2, Item 2).

TM 9-2320-272-23-3

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