CHAPTER 10: MAINTENANCE OF PERSONNEL HEATER AND CONNECTING
TM 9-2350-256-20
COMPONENTS, AND FIXED FIRE EXTINGUISHER SYSTEM
10-4 REPLACE/SERVICE FIRE EXTlNGUISHER CYLINDERS
THIS TASK COVERS
a. Removal
b. Inspection
c. Installation
INITIAL SET-UP
Tools:
Parts:
Tool kit, general mechanic's (Appendix C, item 53)
Lockwashers (16) (Appendix G, item 132)
Scale, indicating (Appendix C, item 43)
Lockwashers (2) (Appendix G, item 136)
WARNING
Handle all fire extinguisher cylinders with
care. Do not bump, jar, or drop.
a. REMOVAL
1 Remove interconnecting tube assemblies (1 and 2)
from cylinder control valve (3) and head
assemblies (4).
CAUTION
Be sure to remove cylinder control valve
(3) from cylinder before any other
disconnections are made.
2 Unscrew and remove two cylinder control valves
(3) from fire extinguisher cylinders (5).
3 Remove six connector head assemblies (4).
4 Disconnect eight fire extinguisher lines (6).
NOTE
Steps 5 through 11 apply to both the left-
and right-side fire extinguisher banks.
5 Remove retaining bar (7) by removing two screws
(8) and two lockwashers (9).
NOTE
Before removing cylinders, place flexible
fire extinguisher lines under oddment tray
to prevent any interference during
removal.
10-10