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 701 of 1417

REMOVAL - Continued

CAUTION

•

Clean area around connections before disconnecting lines and hoses. Failure to do so

may result in damage to fuel pump.

•

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

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

NOTE

•

Have drainage container ready to catch excess fuel.

•

Use drain pans to retain leaking/draining fluids. Refer to local procedures and plans for

preventing and responding to fluid spills or leaks. Comply with local regulations when

disposing of clean up material and leaked and spilled fluids.

8.

Loosen clamp (Figure 2, Item 10) and remove fuel return hose (Figure 2, Item 9) from fuel injection pump return

nipple (Figure 2, Item 11).

9.

Disconnect six injector fuel lines (Figure 2, Item 12) from fuel injection pump (Figure 2, Item 8).

10.

Remove screw (Figure 2, Item 1), two connection washers (Figure 2, Item 2), and fuel supply tube

(Figure

2,

Item

3) from fuel injection pump (Figure 2, Item 8).

11.

Remove screw (Figure 2, Item 6), bushing (Figure 2, Item 5), two connector washers (Figure 2, Item 4), and

fuel supply tube (Figure 2, Item 3) from cylinder head (Figure 2, Item 7).

TM 9-2320-272-23-2

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