TM 1-1510-225-CL
P-4
Figure P-1. Percent of Usable Capacity
FIRE EXTINGUISHER PRESSURE
A gauge, calibrated in psi, is mounted on each supply
cylinder for determining the level of charge and should be
checked during preflight. Refer to Table P-2.
Table P-2. Engine Fire Extinguisher Gauge Pressure
Temp
°C
-40
-29 -18
-06
04
16
20
38
48
190
220
250
290
340
390
455
525
605
PSI
to
to
to
to
to
to
to
to
to
240
275
315
365
420
480
550
635
730
