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 TM 55-1905-219-14-10
5-22. ACCUMULATOR - MAINTENANCE INSTRUCTIONS.
LOCATION
ITEM
ACTION
REMARKS
SERVICE (Cont)
(1)
Install the connectors (2) on the air valve
stem extension (4).
(2)
Draw swivel nut (8) uptight.
e. Loosen hex locknut (9) on the accumulator air valve
stem.
(1)
Turn counter-clock-wise.
(2)
Turn locknut 1-1/2 turns only.
f.
Turn clockwise the shaft pin in the air check valve
(3)
connector until the valve core air valve is de-
pressed.
g. Open the valve (10) on nitrogen tank and allow small
flow of nitrogen to enter the accumulator until the
charging kit gage register 1300 psi (8964 kPa).
Close nitrogen tank valves (10).
(1)
Check the precharge pressure during charging.
(2)
Shut off the valve to nitrogen tank.
(3)
Allow time for pressure to stabilize.
(4)
Pressure indicated on pressure gage is accumu-
lator precharge pressure.
h. Back off the shaft pin in air check valve (3).
(1)
Tighten hex locknut (9) on accumulator valve
stem.
i.
Disconnect the accumulator charging kit.
(1)
From accumulator.
(2)
From nitrogen tank.
j.
Replace the cap on the air valve (3) and accumulator
cap (2).
5-396
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