TM 9-2330-384-14&P
4-68. PURGING TANK (Con't).
(29) Push emergency valve and vapor vent control levers in cabinet to close (see paragraph 2-2).
(30) Close two vent caps (11). Close manhole fill cover (12) (see paragraph 2-16).
d. CHEMICAL PURGING (ALTERNATE METHOD)
WARNING
DO NOT perform chemical purging unless TB 43-0212 has been thoroughly
read, understood, and all safety procedures followed.
Refer to TB 43-0212 for information on chemical purging.
(1)
If repair to tank is scheduled, remove emergency valve after purging (see paragraph 4-82).
(2)
Even with tank drained and purged, approximately 3-4 cc of fuel remain inside piston cavity of
emergency valve and create a safety hazard.
Follow instructions in subparagraph c, STEAM CLEAN PURGING, to dry precheck and jet level
(3)
sensor tubing.
When emergency valve is installed after tank repair is complete, winterize bottom loading
(4)
system (see paragraph 4-84).
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