TM
55-1730-229-34
AG
320A0-MME-000
TO
35C2-3-473-2
TM
1730-34/1
proceed to step 11. If pressure is low
(2) Connect a 0 to 2,000 psi gauge
to side port of the tee connector.
continue with step 10.
(3) Connect a longer (6 feet mini-
(10) While watching the 0 to 2,000
psi gauge for an indication of 500 psi,
mum) pneumatic hose to the third port
slowly open the supply shutoff valve on
(open end) of the tee connector.
the nitrogen bottle. Close the supply
(4) Connect schrader valve connec-
shutoff valve when a 500 psi indication
tor (P/N 81063-06177) to free end of the
is obtained.
longer pneumatic hose connected in step
(3).
(11) Close the accumulator charging
valve using a 3/4 inch open end wrench
(5) Open the hydraulic module ac-
(turn clockwise to close).
cess door.
(12) Disconnect shrader valve con-
nector from the accumulator charging
(6) Remove plastic screwcap from
valve.
charging valve (MS28889-2) on end of
accumulator (closest to filter assem-
blies).
(13) Install plastic screwcap on
accumulator charging valve.
(7) Connect the schrader valve
connector (step 4) to the charging valve
(14) Close hydraulic module access
door.
on the accumulator.
(8) Open the accumulator charging
valve using a 3/4 inch open end wrench
av. Pressure test module as de-
scribed in paragraph 8-22.
(turn counterclockwise to open).
aw. Install module in unit as de-
(9) Observe the 0 to 2,000 psi
If indication is 500 50 psig
scribed in paragraph 2-8.b.
gage.
Section V. TEST
8-19. INTRODUCTION. This
b. Increase pressure to 150 psi and
section
contains test procedures specified in
hold for two minutes. There shall be no
this chapter for test after repair or
external leakage or evidence of distor-
reassembly.
tion.
c. Reduce the pressure to zero and
8-20. RETURN MANIFOLD ASSEMBLY PRES-
uncap to filter port. Increase pressure
SURE TEST.
at the fill port to 3 psi and observe
leakage at the to filter port. Leakage
shall not exceed 10 drops per q inute.
a. Connect hydraulic fluid source to
the fill port (figure 8-16) with the
Connect fluid source to filter
Cap the relief
filter port open to the atmosphere. De-
(figure 8-17) port.
res. 1 and res. 2 ports. Bleed unit by
press fill valve to establish a fluid
Cap the filter
flow and bleed air.
cycling the reservoir selector to pass
fluid out to suction port. Then cap the
port, depress the fill valve and re-
suction port.
lease.
8-46
