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 TM 5-1940-277-20
TM 1940-20/2
REMOVE:
1.
Open and secure battery hatch (refer to paragraph 3-154).
2.
Open and secure engine hatches (refer to paragraph 3-154).
Remove fuel tank cap (1).
3.
Insert pump barrel inlet (2) into fuel tank
4.
CAUTION
Do not damage aluminum strainer sleeve in the fuel tank when using pump.
lnsert pump outlet hose (3) in 55 gallon drum.
5.
6.
Pump fuel from fuel tank to 55 gallon drum until tank is empty.
7.
Remove pump barrel inlet (2) and replace fuel tank cap.
Place 2 quart liquid measure under connections (4) at end of pipe tee (5).
8.
Use 16 mm open end wrench to remove nuts (4) securing tubing to tee pipe.
9.
10.
Using 1-1/4 inch open end wrench at tank side of shutoff valve (6) remove valve (6) and pipe tee (5) from tank
nipple (7).
Use 1-1/4 inch open end wrench on shutoff valve (6) and 1-1/16 inch open end wrench on union (8) to remove
11.
union (8) and pipe tee (5) from shutoff valve (6).
REPLACE:
1.
Cover threads of union (8) with pipe tape.
CAUTION
Do not cross-thread union. Damage may result to the pipe tee and leakage may
occur.
2.
Start union (8) in port of shutoff valve (6) and turn until hand tight.
Cover threads of tank nipple (7) with pipe tape and start shutoff valve (6) by turning until hand tight
3.
Using 1-1/4 inch open end wrench tighten tank nipple nut (9). Be sure fuel valve shutoff (6) handle is up.
4.
CAUTION
Do not use any type of sealant on tubing nuts In the fuel system. Sealant may con-
taminate fuel.
Install end of tubing in pipe tee (5) and tighten nut (4) using 16 mm wrench.
5.
Put approximately 15 gallons (56.8 liters) of fuel in tank
6.
Rub fingers around connection between tank and shutoff valve (6) for signs of leak
7.
Open shutoff valve (6) and check connection at outlet port of valve (6).
8.
Check each tubing nut (4) at pipe tee connection for sign of leaking.
9.
Close engine hatches.
10.
11.
Close battery hatches.
3-134
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