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 797 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.

CAUTION

Cap or plug all openings immediately after disconnecting lines and hoses to prevent

contamination. Failure to do so may result in fuel system damage.

NOTE

Remove and discard tiedown straps as required and note locations for installation.

1.

Disconnect two tubing nuts (Figure 1, Item 3) and remove fuel supply hose (Figure 1, Item 4) from elbow

(Figure

1,

Item

2) and fuel supply line (Figure 1, Item 7).

NOTE

•

Perform Step (2) if fuel filter is damaged.

•

Note position and direction of arrow for installation.

2.

Remove two clamps (Figure 1, Item 5) and fuel filter (Figure 1, Item 6) from fuel supply hose

(Figure

1,

Item

4).

3.

Remove locknut (Figure 1, Item 12), screw (Figure 1, Item 8), fuel return hose (Figure 1, Item 14), and clamp

(Figure 1, Item 13) from bracket (Figure 1, Item 11). Discard locknut.

4.

Loosen two clamps (Figure 1, Item 10) and remove fuel return hose (Figure 1, Item 14) from fitting

(Figure

1,

Item

1) and fuel return line (Figure 1, Item 9).

TM 9-2320-272-23-2

0254

0254-2