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 TM 55-1905-220-14-4
3-55. SHAFT INFLATABLE SEAL - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (Cont)
7. Pressure
Gage
a. Disconnect gage hose (6)
gage
(hose assembly #142x96)
from inflatable sealing
ring valve stem (7).
b. Remove coupling (8).
c. Remove pressure gage
(9) from bulkhead.
d. Remove plastic shipping
cap (10) before oper-
ation.
SERVICE - RECHARGING THE CARBON DIOXIDE TANK (CO 2).
NOTE
Recharging is not by pressure....psi (kpa) will vary with temperature and psi
(kpa) in the recharging system.
8. Inflat-
Carbon
a. Invert tank and chill.
ion
dioxide
tank
tank (CO2)
b. Connect liquid CO2
(1)
supply line to task
valve (1).
c. Liquid CO2 will now
flow into tank.
d. Check by weight.
(1) Empty weight - 7.5
Lbs. ( 3.41 kg).
(2) Fully charged -
Means 2.5 Lbs.
10 Lbs. (4.54 kg).
(1.14 kg ) of
liquid CO2
into tank.
(3) Variance - 2.5
Lbs. + 10%
(1.14-kg + 10%).
3-984
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