TM 55-1730-229-12
TO 35C2-3-473-1
(a)
Remove the caps from the two RE-
pressure drops to 2000 psi and the only a 1 - 2 minute
TURN ports (item 4, figure 2-16) on the aircraft side
flush is required.
of the dual manifold and the aircraft return GSE port.
Remove protective plugs from the return adapter hoses
(f)
Remove the cap from the high-pressure
and connect between the dual manifold and the aircraft.
GSE port on the aircraft to be serviced. Disconnect the
Connect removed cap and plug.
high-pressure adapter hose from the dual manifold and
immediately connect to the aircraft without putting the
(b)
Remove the caps from the two HIGH
connector down or exposing it to contamination.
PRESSURE ports (item 3, figure 2-16) on the aircraft
side of the dual manifold. Remove protective plugs from
(g)
Repeat step (e) above using the high
the mating quick disconnects on the two HIGH PRES-
pressure adapter hose for the other aircraft system.
SURE adapter hoses and connect to the dual manifold.
Connect removed cap and plug.
f.
Application of Hydraulic Power to Aircraft.
(c)
Remove the caps from the inch quick
disconnect located in the DRAIN port (item 7, figure
tective plug from the quick disconnects on aircraft end
During the conduct of this procedure the opera-
of the HIGH PRESSURE adapter hoses and connect to
tor of this procedure must be in intercom com-
the dual manifold. Connect the removed cap and plug.
munication with the aircraft pilot or the mechanic
at all times.
(d)
Verify that both the BYPASS and
DRAIN valves on the dual manifold are closed.
RESERVOIR and RETURN BYPASS selectors
must be in accordance with Table 2-7 to prevent
During this procedure high pressure will be ap-
depletion or overflow of the aircraft reservoirs.
plied to one of the aircraft hydraulic systems.
The operator of the AGPU must be in intercom
(1)
Verify that RESERVOIR selector is in
communications with the aircraft pilot or me-
AGPU position and set RETURN BYPASS to the OFF
chanic at all times
position.
(e)
Repeat the flush procedure in (1) - (9)
above except that the drain valve is opened until the
