TM 5-5420-226-20-1
P r e v e n t i ve
Item
No.
39
Interval
emiannual
M a i n t e n a n c e
C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l -
Location
Item to
Check/Service
Fixed Fire
Extinguisher
System
- Continued
C o n t i n u ed
Procedure
Not Fully Mission
Capable if:
NOTE
Control valves must be held firmly in position while handle is being
pulled. If this is not done, control valves may not be actuated.
Pull FIRE-PULL hard interior con-
trol handle and release.
Check for smoothness and freedom of
action of cables and controls.
Check extension of actuating pin on
control valve No. 1.
Push FIRE-PULL hard interior con-
trol handle and release again.
Check for smoothness and freedom of
action of cables and controls.
Check for extension of actuating pin
on control valve No. 2.
Reset control handle position pawl in
slot.
Change 6
3-59
