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 717 of 1417

REMOVAL

WARNING

Diesel fuel is highly flammable. Do not perform fuel system procedures near open flame.

Failure to comply may result in injury or death to personnel.

1.

Disconnect fuel pressure transducer (Figure 1, Item 1) from wiring harness (Figure 1, Item 2).

2.

Remove fuel pressure transducer (Figure 1, Item 1) from adapter (Figure 1, Item 10).

3.

Remove adapter (Figure 1, Item 10), two seal washers (Figure 1, Item 11), and fuel supply tube

(Figure

1,

Item

5) from fuel transfer pump (Figure 1, Item 13). Discard seal washers.

4.

Remove fuel supply line (Figure 1, Item 16) from elbow (Figure 1, Item 15) on fuel transfer pump

(Figure

1,

Item

13).

5.

Remove two screws (Figure 1, Item 14), transfer pump (Figure 1, Item 13), and gasket (Figure 1, Item 12) from

engine block (Figure 1, Item 17). Discard gasket.

6.

Remove elbow (Figure 1, Item 15) from fuel transfer pump (Figure 1, Item 13).

NOTE

Perform Steps (7) and (8) if fuel supply tube is damaged.

7.

Remove screw (Figure 1, Item 8), banjo seal (Figure 1, Item 9), and fuel drain manifold (Figure 1, Item 7) from

adapter (Figure 1, Item 6). Discard banjo seal.

8.

Remove adapter (Figure 1, Item 6), two seal washers (Figure 1, Item 4), and fuel supply tube

(Figure

1,

Item

5) from fuel filter head (Figure 1, Item 3). Discard seal washers.

TM 9-2320-272-23-2

0243

0243-2