TM 5-5420-226-20-1
(
DETAILED TROUBLESHOOTING PROCEDURE
Symptom-54
SUPPORT SYSTEM - FIRE EXTINGUISHER
(Continued)
(-)
STEP
7
CONTINUED
l Slowly pull FIRE-PULL
HARD
interior
control
handle
to close microswitch
located
in handle
release
mechanism.
l Check if meter indicates
continuity
when
tire
extinguisher
handle
is pulled.
I
Does meter
indicate
continuity?
i
l Adjust FIRE PULL HARD
handle
to close
mircoswitch
(page
20-39).
l If this does not correct
the
problem,
replace
switch
(page
20-29).
l
l
l
l
l
Inspect
front accessory
harness
for bent or broken
connector
contacts
or loose
CKT 975 wire at rear of
connectors.
Repair connectors
if defective
(page
10-298).
If connectors
are not
defective,
notify
support
maintenance
of bad front
accessory
harness.
Connect
two connectors
(CKT 975) to fire extinguisher
fuel shutoff
switch
leads.
Connect
three battery
ground
straps
(page
10-268).
B&e
CONTACT
TA107262
4-573