TM 5-5420-226-20-1
DETAILED TROUBLESHOOTING
PROCEDURE
SUPPORT SYSTEM - FIRE EXTINGUISHER
Symptom-54
ENGINE DOES NOT STOP RUNNING WHEN FIRE PULL HARD
HANDLE IS PULLED (ENGINE FUEL SHUT OFF
SWITCH ON MASTER CONTROL PANEL WILL WORK).
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CONTROL
VALVE
1
The control
valve
on each of three
1
-1+
;&--
1
fire
extinguisher
cylinders
must
be
1
1
removed
to avoid
firing system.
1
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- 1,
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-
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NOTE
This procedure is to be performed by
two
persons.
The
lead
person
is
referred to as the first technician and
shall direct the activity of the second
person called the second technician.
A
I
Listen for fire extinguisher
relay to work when FiRE-
PULL HARD interior
control
handle
is pulled.
l\
Second
Technician
(Front
of Crew
Compartment)
\
l Remove control
valves from each of three
fire
extinguisher
cylinders
(page 20-2).
L
FL
FOR CblRITY
QUADRANT
ASSEMBLIES
NOT SHOWN
TA107257
4-568