TM 55-1520-240-23-10
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INSPECT FIRE EXTINGUISHER (BOTTLE) (892868-02)
(Continued)
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INSPECT GAGE
7.
Check gage (9). Gage shall not be broken or
damaged.
8.
Read gage (9). Pressure reading shall be within
limits shown below.
Temperature
Minimum
Pressure
-40ºC (-40ºF)
292 psi
-29ºC (-20ºF)
320 psi
-18ºC (0ºF)
355 psi
-7ºC (19ºF)
396 psi
4ºC (39ºF)
449 psi
15ºC (59ºF)
518 psi
27ºC (81ºF)
593 psi
38ºC (100ºF)
691 psi
52ºC (126ºF)
785 psi
INSPECT CARTRIDGE
9.
Check retirement date of both cartridges (10).
Refer to DA Form 2408-18. Cartridges shall not
be out of date.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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