CHAPTER 10: MAINTENANCE OF PERSONNEL HEATER AND CONNECTING
COMPONENTS, AND FIXED FIRE EXTINGUISHER SYSTEM
10-4 REPLACE/SERVICE FIRE EXTINGUISHER CYLINDERS-Continued
12 Install six connector head assemblies (4) .
13 Install two cylinder control valves (3) onto fire
extinguisher cylinders (5).
14 Connect interconnecting tube assemblies (1 and 2)
to cylinder control valve (3) and head assemblies
10-5 REPLACE/SERVICE FIRE EXTINGUISHER CYLINDER CONTROLS
THIS TASK COVERS
Tool kit, general mechanic's (Appendix C, item 53)
Lockwashers (6) (Appendix G, item 130)
Seals, safety (2) (Appendix G, item 265)
Handle all fire extinguisher cylinders with
care. Do not bump, jar, or drop.
1 Remove interconnecting tube assemblies (1 and 2)
from cylinder control valves (3) and head
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 cylinders (5).
Repeat steps 3 through 6 for each cylinder
3 Break safety seal (6) and pull safety pin (7).
4 Remove cover assembly (8) by removing three'
screws (9) and three lockwashers (10).
5 Loosen two screws (11) and disconnect cable (12).