Quantcast FOAM SYSTEM-STANDBY MODE.

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TM 9-2320-279-10-3
Operation Under Usual Conditions (Cont)
2-123. FOAM SYSTEM-STANDBY MODE.
WARNING
Open and close all valves slowly during any procedure.
Sudden changes in pressure may cause equipment to
react faster than personnel can be alerted. Make sure
surrounding personnel are aware of changes being made
to settings on equipment. Failure to comply may result in
serious injury or death to personnel and damage to
equipment.
CAUTION
Turn on foam system only when needed. Failure to
comply may result in damage to equipment.
NOTE
When in foam mode never open TANK FILL and
RE-CIRCULATING LINE valve. This will cause foam
agent to enter water tank. If recirculation is needed to
keep pump cool, open PUMP COOLER valve.
Foam system is in Standby Mode when:
a. Drains are closed.
b. Vents not blocked and clean.
c. No known leaks.
d. Foam tanks are full.
e. Latches are secured.
2
1
1
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2
f. Put FOAM SYSTEM switch (1) in OFF position. Check that indicator light
(2) goes out.



 


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