P r e v e n t i v e
M a i n t e n a n c e C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l -
C o n t i n u ed
Person No. 2 check downstream of
delay valve for sound of leaks, visi-
ble vapor, and frosting around leak.
As firing of extinguisher is an-
nounced, person No. 3 check that
multimeter immediately shows 18-30
Not Fully Mission
Handle charged cylinders with care. Do not jar or expose cylinders to
temperatures above 140°F (60°C). Accidental-discharge could result in
injury or death to personnel.
Observation of the CO2 discharge should be performed when little or
no wind is present. Start timing when CO2 cloud spray is first seen.
Stop timing when CO2 cloud starts to shrink.
Person No. 3 check that time of visi-
ble duration of CO2 cloud/spray is
no more than 8 seconds.