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TM 10-4210-235-13
2-9 ASSEMBLY AND PREPARATION FOR USE. - continued
CAUTION
Be careful not to damage the AFFF tank lining with metal hose ends or connections. The
lining can be scratched or scored resulting in corrosion of the AFFF tank
NOTE
· Foam liquid will freeze, but the plastic container(s) used for shipment will expand safely with
the ice The foam liquid can be used after it thaws.
· Foam liquid must be disposed of in compliance with local, state, and federal regulations.
Rinse any spill thoroughly with water as the foam liquid is slippery.
· The foam liquid poses no direct hazard, however It should be disposed of in limited
quantities at a time to avoid nuisance foaming in sewer or waterway
(7)
When refilling the AFFF tank, insert a hose against the bottom of the tank and add water to within nine
inches (23 cm) of the fill collar top, pour m the required amount of foam liquid per table 2-3, then fill the AFFF tank with
water until the foam liquid and water mixture is 4.5 inches (11.4 centimeters) from top of fill collar. No further mixing of
the solution Is required after the initial filling
Table 2-3. AFFF Tank Refill Table
Distance from top of fill
Amount of foam
collar to surface of foam
liquid to add.
liquid and water mixture.
Inches (Centimeters)
Gallons (Liters)
4.5 (11.4)
None
7 (18)
0.5 (1 9)
9.25 (23.50)
1 (4)
11 5 (29 2)
1.5 (5.7)
13.5 (34.3)
2 (8)
15.5 (39.4)
2.5 (9.5)
17 (43.2)
3 (11)
18.5 (47 0)
3.5 (13 3)
20.5 (52 1)
4 (15)
22.5 (57 2)
4.5 (17.0)
24.75 (62 87)
5 (19)
27 (68.6)
5.5 (20.8)
31.75 (80.65)
6 (23)
(8)
Replace fill cap (1) and tighten hand tight
(9)
If freezing weather exists, or is expected, connect the AFFF tank heater power cord (4) to power source.
2-34
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