TM 5-5420-226-20-1
P r e v e n t i v e M a i n t e n a n ce
Item
No.
39
Interval
Semiannual
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:
WARNING
Handle charged cylinders with care. Do not jar or subject cylinders to
temperatures above 140°F (60°C). Accidental discharge could result in
injury or death to personnel.
Reset control valves. Turn shaft
counter-clockwise until arrow on cov-
er end of shaft is aligned with SET
arrow on cover.
Check for retraction of actuating
pins on control valves No. 1 and 2.
3-58
Change 6