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 TM 55-1905-223-24-18-2
This task covers:
a. Removal
b. Repair
c. Replacement
INITIAL SETUP :
Tools
Equipment Condition
Tool kit, general mechanic's,
Tag each pull box "Out of Service -
Do Not Operate" before beginning
Tool kit, electrician's,
maintenance on halon system.
Notify the Bridge that the halon system
will be secure for an indefinite
period of time for maintenance.
Materials/Parts
Release lever P/N 42486
Nonmetallic assembly (C02) P/N 42424
Globe valve (1/2 in.) P/N 41451
Pressure operated switch P/N 46250
Time delay (60 sec. right hand)
P/N 41732
Nonmetallic hose assembly (1/4 in.)
P/N 32336
Electro-pneumatic actuator P/N 32096
Halon nozzle P/N 32659
Fire hose foam nozzle (2 in.) P/N 32663
Warning tags, Item 1, Appendix C
REMOVAL
a. Remove Carbon Dioxide Cylinder.
(1) Release lever.
(a) Install pin (21, Figure 3-4) in release lever (26).
(b) Disconnect cable (29) from cable mount (30) on release lever.
(c) Unscrew and remove release lever (26) from cylinder valve (25) on carbon dioxide
cylinder.
(2) Hose assembly.
(a) Disconnect discharge hose connector (23) from cylinder valve (25).
(b) Disconnect hose connector (28) on opposite end of discharge hose (24) from pipe fitting
(27).
(c) Remove hose assembly.
3-51
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