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 815 of 1417
REMOVAL
NOTE
•
Have drainage container ready to catch 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.
1.
Disconnect fuel supply tube (Figure 1, Item 9) from fuel pump shutoff valve (Figure 1, Item 10).
2.
Disconnect fuel return tube (Figure 1, Item 18) from fuel pump elbow (Figure 1, Item 21).
3.
Remove screw (Figure 1, Item 17), lockwasher (Figure 1, Item 16), washer (Figure 1, Item 15), clamp
(Figure
1,
Item
14), and spacer (Figure 1, Item 13) from left side of engine block (Figure 1, Item 3) and bracket
(Figure 1, Item 12). Discard lockwasher.
4.
Remove screw (Figure 1, Item 19), lockwasher (Figure 1, Item 20), and bracket (Figure 1, Item 12) from left
side of engine block (Figure 1, Item 3). Discard lockwasher.
NOTE
Step (5) may not be required for all vehicles.
5.
Remove screw (Figure 1, Item 26), lockwasher (Figure 1, Item 25), washer (Figure 1, Item 24), two clamps
(Figure 1, Item 23), fuel supply tube (Figure 1, Item 9), and fuel return tube (Figure 1, Item 4) from intake
manifold (Figure 1, Item 22). Discard lockwasher.
6.
Remove nut (Figure 1, Item 5), lockwasher (Figure 1, Item 6), screw (Figure 1, Item 8), and clamp
(Figure
1,
Item
7) from left side of engine block (Figure 1, Item 3). Discard lockwasher.
7.
Remove nut (Figure 1, Item 1), lockwasher (Figure 1, Item 2), screw (Figure 1, Item 27), and clamp
(Figure
1,
Item
28) from tubes (Figure 1, Items 4 and 9) on left side of engine block (Figure 1, Item 3).
Discard
lockwasher.
8.
Disconnect fuel return tubes (Figure 1, Items 4 and 17) from tee (Figure 1, Item 11).
TM 9-2320-272-23-2
0256
0256-2
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