Operation Under Usual Conditions (Cont)
2-125. FOAM SYSTEM OPERATING PROCEDURES (CAB INSTRUMENT
a. Foam System Activation.
Before operating foam system, personnel must
familiarize themselves with all procedures and
instructions regarding water pump, discharge devices
and foam making devices. Failure to understand and
follow any instructions could result in personal injury
and/or damage to this equipment.
Open and close all valves slowly during any procedure.
Sudden changes in pressure may cause equipment to
react faster than personnel can be alerted. Ensure
surrounding personnel are aware of changes being made
to settings on equipment. Failure to comply may result
in injury or death to personnel and damage to
When foam system is operated from personnel cab, foam
solution is present at all discharges (roof turret, bumper
turret, and ground sweeps) except at windshield deluge.
Start water pump engine (para 2-113).
Make sure TANK FILL and RE-CIRCULATING LINE valve
control (1) is closed.
Put FOAM SYSTEM switch (2) in ON position. Indicator light (3) will