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 TM 55-1905-219-14-1
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - continued
Location
Item
Item to Check/
Not Mission
No.
Interval
Service
Procedure
Capable :
162
SEMI-
At SEP Sites FR 12, FR
HALON SYSTEM
ANNUAL
48, FR 56
CYLINDER ASSEMBLY
(Small Cylinder)
WARNING
Before
performing
maintenance, be sure system is
off and that safety pin (1) is
inserted in solenoid valve (2).
The system is oxygen robbing.
The instruction tag (3) should
be read before any maintenance
is performed on the cylinder
assembly.
Insert safety pin (1). Remove screws (4),
washers (5), bracket (6) and nuts (7) from
cylinder (8).
CAUTION
Do not remove cylinder (8) from
solenoid valve (2).
Weigh the cylinder, valve and nozzle
assembly. When filled, the cylinder
assembly should weigh 12.5 Ibs. (5.68 kg).
Replace if below weight.
Then replace nuts (7), bracket (6), washers
(5) and screws (4). Remove the safety pin
(1). Turn the system on.
Change 4 2-205
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