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TM 9-2320-364-20-4
4-77
Fuel is very flammable and can explode easily. To avoid serious injury or death, keep fuel away
from open fire and keep fire extinguisher within easy reach when working with fuel. Do not
work on fuel system when engine is hot. Fuel can be ignited by hot engine.
(2)
Position drain pan under fuel/water separator (2).
NOTE
Cap hose after disconnection.
(3)
Disconnect hose 2259 (3) from elbow (4).
NOTE
To open drain valve, turn drain valve nut to the left. To close drain valve, turn drain valve nut
to the right.
(4)
Open drain valve (5) on fuel/water separator (2).
Do not overtighten drain valve. Overtightening may cause sediment bowl to crack.
(5)
Close drain valve (5) and remove drain pan.
NOTE
Perform Step (6) if drain valve assembly becomes loose or leaks.
(6)
Tighten nut (6) on drain valve (5) to 26 to 30 lb-in (3 to 4 N.m).
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