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 789 of 1469

INSTALLATION

NOTE

•

If installing new reservoir, use old reservoir fittings.

•

Wrap all male pipe threads with antiseize tape before installation.

1.

Place secondary reservoir (Figure 2, Item 5) in soft-jawed vise.

2.

Install fitting (Figure 2, Item 12), adapter (Figure 2, Item 16), and elbow (Figure 2, Item 13) on secondary

reservoir (Figure 2, Item 5).

3.

Install adapters (Figure 2, Items 9 and 10) on secondary reservoir (Figure 2, Item 5).

4.

Install check valve (Figure 2, Item 6) and elbow (Figure 2, Item 8) on secondary reservoir (Figure 2, Item 5).

5.

Install fitting (Figure 2, Item 4), adapter (Figure 2, Item 3), and secondary low-air pressure switch

(Figure

2,

Item

2) on secondary reservoir (Figure 2, Item 5).

6.

Remove secondary reservoir (Figure 2, Item 5) from soft-jawed vise.

NOTE

Assistant will support reservoir during Step (7).

7.

Install secondary reservoir (Figure 2, Item 5) on two hangers (Figure 2, Item 17) with support clamps

(Figure

2,

Item

19), four screws (Figure 2, Item 18), and locknuts (Figure 2, Item 20).

8.

Connect two wires (Figure 2, Item 1) to secondary low-air pressure switch (Figure 2, Item 2).

9.

Connect supply line (Figure 2, Item 15) to adapter (Figure 2, Item 16).

10.

Connect supply line (Figure 2, Item 14) to elbow (Figure 2, Item 13).

11.

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

12.

Connect wet reservoir supply line (Figure 2, Item 7) to elbow (Figure 2, Item 8).

TM 9-2320-272-23-3

0441

0441-4