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 680 of 1417
FIELD MAINTENANCE
FUEL PUMP REPLACEMENT (M939/A1)
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 5, WP
0826, Table 1, Item 56)
Materials/Parts
Cap Set, Protective, Dust and Moisture Seal
(Volume 5, WP
0825, Table 1, Item 13)
Lubricating Oil, Engine
(Volume 5, WP
0825, Table 1, Item 39, 40, 41,
42)
Tape, Antiseizing
(Volume 5, WP
0825, Table 1, Item 65)
Gasket (Volume 5, WP
0827, Table 1, Item 166)
Qty:
1
Materials/Parts (cont.)
Locknut (Volume 5, WP
0827, Table 1, Item 314)
Qty:
3
Lockwasher
(Volume 5, WP
0827, Table 1, Item 404)
Qty:
1
Equipment Condition
Parking brake set. (TM 9-2320-272-10)
Hood raised and secured. (TM 9-2320-272-10)
Left splash shield removed. (TM 9-2320-272-10)
Air reservoir drained. (TM 9-2320-272-10)
REMOVAL
1.
Disconnect lead (Figure 1, Item 11) from fuel pressure transducer (Figure 1, Item 10) and remove fuel pressure
transducer from fuel pump (Figure 1, Item 9).
2.
Disconnect fuel line (Figure 1, Item 3) from fuel shutoff valve (Figure 1, Item 5).
3.
Remove nut (Figure 1, Item 7) and wires (Figure 1, Item 6) from terminal (Figure 1, Item 8).
4.
Loosen screw (Figure 1, Item 1) and remove cable (Figure 1, Item 4) from fuel shutoff lever (Figure 1, Item 2).
M9649DAA
11
1
2
4
5
6
7
8
9
10
3
Figure 1.
Fuel Pump Removal.
TM 9-2320-272-23-2
0240
0240-1
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