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APPENDIX A
TM 07661B-14/1
(6)
Return system valves to normal or ready status, paragraph 2-12.
b.
Servicing AFFF tank.
(1)
Close N2 cylinder valve and AFFF shutoff valve.
(2)
Open AFFF hose nozzle to clear handline and depressurize AFFF tank.
WARNING
Pressure in tank, must be vented off through handline before fill cap is removed.
(3)
SLOWLY remove filler cap on AFFF tank, after ensuring tank is depressurized.
Table A 3-6. 6% AFFF Liquid Level Refill Table.
LIQUID LEVEL:
TO REFILL TANK, ADD:
FROM TOP OF FILL
COLLAR TO SURFACE
OF LIQUID.
AFFF WATER
INCHES
U.S. GALLONS
4-1/2
--------------FULL--------------
7
1/2
8
9-1/4
1
15-1/2
11-1/2
1-1/2
23-1/2
13-1/2
2
31
15-1/2
2-1/2
39
17
3
47
18-1/2
3-i/2
55
20-1/2
4
63
22-1/2
4-1/2
70-1/2
24-3/4
5
78
27
5-1/2
86
31-1/4
6
94
NOTE:
100 GALLON TANK TO BE REFILLED ON LEVEL GROUND.
A 3-13
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