TM 9-2320-209-20-3-1
4-8. FUEL PUMP (IN-TANK) REMOVAL AND REPLACEMENT.
TOOLS :
Flat-tip screwdriver
7/16-inch wrench
3/4-inch wrench
3/8-inch wrench
Tape measure
SUPPLIES : Solvent, dry cleaning, type II (SD-2), Fed. Spec P-D-680
Sealer compound, type II, MIL-S-45180
PERSONNEL:
One
EQUIPMENT CONDITION:
Truck parked, engine off, handbrake set.
WARNING
a.
several
b.
Preliminary
Do not permit smoking, sparks or open flame
within 50 feet of truck during fuel pump removal.
Fuel could explode, causing injury to personnel
and damage to equipment.
Procedures.
(1) On trucks M756A2, M275A1, and M275A2, fuel tank must be moved out
inches to replace in-tank fuel pump.
Refer to para 4-6 and para 4-7.
(2) Disconnect battery ground cable. Refer to para 7-58.
Removal.
FRAME 1
1.
Take electrical connector (1) off fuel pump receptacle ( 2).
2.
Using 3/8-inch wrench, unscrew heater line coupling nut (3) from elbow ( 4).
NOTE
Some trucks may not have heater fuel line. If not, pipe
plug replaces elbow.
3.
Using 3/4-inch wrench, unscrew feed line coupling nut (5) from fuel pump
tee fitting (6) .
GO TO FRAME 2
4-46