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 TM 55-1905-220-14-4
3-55. SHAFT INFLATABLE SEAL - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION (Cont)
10. Inflation
Carbon
a. Install tank (1) in
tank
dioxide
mounting bracket.
(1)
tank (CO2)
b. Connect tank (1) to
orifice assembly (5).
c. Attach hose assembly
(2) to CO2 valve stem
(4) and orifice assem-
bly (5).
d. Attach hose assembly
(2) to inflatable
sealing ring valve
stem (3).
NOTE
Plastic shipping plug (10) must be removed before operating to assure correct pressure.
CAUTION
All connections must be firmly tightened to prevent CO2 leakage.
INFLATION
11. Inflat-
a. Carbon
Open CO2 valve (1)
able
dioxide
clockwise.
housing
tank
ring
(CO2)
b. Pressure
Check pressure gage
Inflation pres-
gage
(9).
sure is 125 to
175 psi (169.5
to 237.3 kpa).
Not to exceed
200 psi (271.2
kps). Maintain
pressure.
3-986
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