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TM 9-2320-364-34-3
16-142
16-22. ACCUMULATOR SERVICING (CONT).
Ensure charging cylinder contains dry nitrogen. Dry nitrogen tanks are marked with one or
two black bands. Certain other gasses can cause accumulator to explode. Failure to comply
may result in injury to personnel.
(3)
Attach charging regulator (6) to nitrogen
cylinder (7).
(4)
Position valve (8) on valve stem (5). Do
not tighten valve (8).
(5)
Back out stem of valve (8) until stem no
longer contacts valve stem core (5).
(6)
Close valves (9) and (10).
(7)
Open nitrogen cylinder shutoff valve (11)
and observe nitrogen cylinder pressure gage
(12). Pressure must be greater than 250 psi
(1,724 kPa).
NOTE
Pressure regulator valve is
opened by turning clockwise and
closed by turning counter-
clockwise until handle turns
freely.
(8)
Open pressure regulator valve (13) until
gage (14) reaches between 15 and 20 psi
(103 and 138 kPa), then close pressure
regulator valve (13).
(9)
Open valve (10) and tighten valve (8) just
before gage (14) reaches 0 psi.
(10)
Open pressure regulator valve (13) until
gage (14) reads between 190 and 210 psi
(1,310 and 1,448 kPa).
(11)
Turn stem of valve (8) clockwise until
nitrogen begins to enter accumulator (3).
Allow accumulator (3) to fill slowly.
14
13
6
9
12
8
11
7
10
5
8
3
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