TM 55-1520-240-23-6
7-15
FLUSHING EXTERNAL POWER SUPPLY LINES — FLIGHT CONTROL HYDRAULIC
SYSTEM
(Continued)
7-15
15.
Remove dust cover (15) from PRESSURE
connection (16) and dust cover (17) from
SUCTION connection (18).
16.
Connect test stand pressure line (11) to
PRESSURE connection (16) and test stand
return line (12) to SUCTION connection (18).
17.
Repeat steps 5 thru 9.
18.
Disconnect test stand pressure line (11) from
PRESSURE connection (16) and test stand
return line (12) from SUCTION connection (18).
19.
Replace dust cover (15) on PRESSURE
connection (16) and dust cover (17) on SUCTION
connection (18).
INSPECT
20.
Remove bypass hose (3) and fittings (4) from
pressure line (13) and return line (14). Plug open
lines.
INSPECT
21.
Remove all test hoses and fittings from helicopter.
22.
Remove filter assembly kit from test stand
pressure hose.
NO BREAK - WORK HARDER
NO BREAK - WORK HARDER
NO BREAK - WORK HARDER
FOLLOW-ON MAINTENANCE:
Close hydraulic connection access panel (Task 2-2).
Install No. 1 power control module (Task 7-30).
Install No. 2 power control module (Task 7-32).
Bleed flight control hydraulic systems (Task 7-16).
Close pylon access doors (Task 2-2).
Close forward work platforms (Task 2-2).
Perform operational check of flight control hydraulic
systems (TM 55-1520-240-T).
END OF TASK
7-96
