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 803 of 1417

INSTALLATION

1.

Connect rear half of fuel supply line (Figure 4, Item 2) and fuel return line (Figure 4, Item 3) to two fittings

(Figure 4, Item 18) on fuel tank (Figure 4, Item 16) with tubing nuts (Figure 4, Item 17).

2.

Install two clamps (Figure 4, Item 14) on fuel supply line (Figure 4, Item 2) and fuel return line

(Figure

4,

Item

3) with screw (Figure 4, Item 13) and nut (Figure 4, Item 15).

NOTE

Perform Step (3) if bracket was removed.

3.

Install bracket (Figure 4, Item 7) on frame rail (Figure 4, Item 12) with screw (Figure 4, Item 6) and nut

(Figure

4,

Item

9).

4.

Install two clamps (Figure 4, Item 10) on fuel supply line (Figure 4, Item 2), fuel return line (Figure 4, Item 3),

and bracket (Figure 4, Item 7) with screw (Figure 4, Item 8) and nut (Figure 4, Item 11).

5.

Install two clamps (Figure 4, Item 4) on fuel supply line (Figure 4, Item 2) and fuel return line

(Figure

4,

Item

3) with screw (Figure 4, Item 1) and nut (Figure 4, Item 5).

NOTE

Perform Steps (6) and (7) for vehicles equipped with dual tanks.

6.

Install fuel supply line (Figure 4, Item 2) and fuel return line (Figure 4, Item 3) on adapter fittings

(Figure

4,

Item

20) on selector valve (Figure 4, Item 19) with tubing nuts (Figure 4, Item 21).

7.

Install two clamps (Figure 4, Item 23) on fuel supply line (Figure 4, Item 2) and fuel return line

(Figure

4,

Item

3) with screw (Figure 4, Item 24) and nut (Figure 4, Item 22).

TM 9-2320-272-23-2

0254

0254-8