TM 55-1520-240-23-6
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TEST ACCUMULATOR (2770529/AD-A620-1D340 OR 60910) (AVIM)
(Continued)
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24.
Position accumulator (1) on its side.
25.
Connect nitrogen supply (17) along with valve
(18) and gage (19) to port (14).
26.
Apply 200 psi pressure to port (14). Open valve
(18) for 200 psi on gage (19). Close valve (18).
27.
Fill graduate (20) with hydraulic fluid (E199).
Place graduate over tube (16) in reservoir (15).
Fluid level in graduate must be above fluid level
in reservoir. Use 5 cc graduate. Wear gloves
(E184.1).
28.
Record fluid level in graduate (20). Check fluid
level after 3 minutes. Fluid level shall not change
by more than .25 cc.
29.
Open valve (18). Adjust for 2000 psi on gage
(19). Close valve (18).
30.
Repeat step 28, then perform step 31.
31.
Release pressure to 0 psi on gage (19). Open
regulator (21).
32.
Remove graduate (20) from reservoir (15).
33.
Disconnect reservoir (15) from port (5). Use
container for spilled fluid.
34.
Disconnect valve (7) from port (8).
Deplete air pressure before
disconnecting tubes or hoses.
Otherwise, injury to personnel can
occur.
35.
Disconnect supply (17) from port (14).
36.
Remove accumulator (1) from block (2).
INSPECT
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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