TM-9-2320-272-23-2

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-2 - Page 957 of 1417

RADIATOR VENT AND MANIFOLD RETURN HOSES INSTALLATION

NOTE

•

Fittings must be cleaned and inspected for cracks and crossed or stripped threads.

•

Male pipe threads must be wrapped with antiseize tape before installation.

1.

Install manifold return hose (Figure 4, Item 9) and radiator vent hose (Figure 4, Item 14) on surge tank

(Figure

4,

Item

8).

2.

Install elbow (Figure 4, Item 10) on water manifold (Figure 4, Item 1).

3.

Install elbows (Figure 4, Items 3 and 4) and adapter (Figure 4, Item 5) on radiator (Figure 4, Item 2).

4.

Connect manifold return hose (Figure 4, Item 9) to elbow (Figure 4, Item 10) on water manifold

(Figure

4,

Item

1).

5.

Connect radiator vent hose (Figure 4, Item 14) to adapter (Figure 4, Item 3) on radiator (Figure 4, Item 2).

6.

Install spacer (Figure 4, Item 7) and hose clamp (Figure 4, Item 11) on engine bracket (Figure 4, Item 6) with

washer (Figure 4, Item 13) and screw (Figure 4, Item 12). Tighten screw 75 to 95 lb-in. (8

to

10

N·m).

TM 9-2320-272-23-2

0278

0278-8