ARMY TM 9-6115-670-14&P
4-80
a. Remove two bolts and lock and flat washers (1, Figure 4-19), and two screws and flat and lock
washers (2), and remove radiator support bracket (3).
b. Loosen clamp (11) and remove line (12) between fuel pump assembly and fuel day tank assembly
(4) from fitting (10) at fuel intake hole (8).
c. Remove fitting (10) from fuel intake hole (8).
d. Route hand siphon through fuel intake hole (8) into fuel day tank (4) and route other end of line into
an overflow container.
e. Siphon fuel out of fuel day tank (4).
f. Disconnect connector J7 (6) from connector P7 (7).
g. Remove fuel lines from fuel day tank assembly (4). Proceed as follows:
(1)
Loosen clamp (11) and remove transfer pump line (12) from fitting (10).
(2)
Loosen clamp (14) and remove fuel filter line (15) from fitting (13).
(3)
Loosen clamp (21) and remove overflow line (20) from fitting (22).
(4)
Loosen clamp (17) and remove vehicle return line (16) from fitting (18).
h. Remove four bolts and star and flat washers (9).
i. Lift fuel day tank (4) so that sump in bottom of fuel day tank clears frame assembly and remove fuel
day tank (4).
j. Remove fitting (18) from 90° fitting (19) (JTACS), or external adapter (19a) (WIN-T).
k. Remove three fittings (10, 13, and 22) and 90° fitting (19) (JTACS), or external adapter (19a) (WIN-
T) from fuel day tank (4).
l. Clean old sealing compound from all fittings (10, 13, 18, 22) and 90° fitting (19) (JTACS), or external
adapter (19a) (WIN-T).
m. Immerse fuel day tank (4) in approved solvent for two (2) minutes and drain.
n. Rinse solvent until all sediment has been removed.
o. Let sit until dry (one (1) hour).
p. Apply sealing compound to threads of fittings (10, 13, and 22) and 90° fitting (19) (JTACS), or
external adapter (19a) (WIN-T) and install into new fuel day tank.
q. Apply sealing compound to threads of fitting (18) and install into 90° fitting (19) (JTACS), or external
adapter (19a) (WIN-T).
NOTE
When removing tiedown straps, make note locations.
Wiring harness will need to be secured at approximately
the same places.
