Operation Under Usual Conditions (Cont)
Use extreme care when walking on hosebed cover and on top of
vehicle. Be extra careful in wet, icy, or muddy conditions. Failure
to comply may result in personnel slipping and falling causing
injury or death to personnel.
Open expansion dome hatches (2).
Caution must be taken when carrying 5 gal (19 L) pails of
foam agent to top of foam agent tank. If foam agent is
spilled, walking surface can become extremely slippery.
Clean any spilled foam agent before continuing to fill
foam agent tank. Failure to comply may result in injury
or death to personnel.
Foam cell should be filled halfway up into expansion dome
to minimize surface area of foam agent subject to
evaporation. Pour foam agent down center of round tube
when filling tank. This tube goes to bottom of tank and
allows foam agent to enter under surface of foam
currently in tank. This is done to reduce aeration of foam
agent per NFPA.
Foam agent must be added by pouring through the 4 in. (10 cm) tube; it
must be done slowly and carefully to prevent aeration. If aeration
occurs inside tank, stop pouring until foam agent bubbles dissolve.
Take care not to allow water, dirt, debris, or foreign substance to enter
Close expansion dome hatches (2).
Stow right rear access ladder (para 2-104).