TM 55-1520-240-23-6
7-10
FLUSHING FLIGHT CONTROL HYDRAULIC SYSTEM (PRESSURE LINES)
(Continued)
7-10
NOTE
Test stand filters must be cleaned
before connecting test stand to
helicopter.
Make sure filter assembly kit
ADHT6814-M9716M is installed in
test stand pressure line.
To operate hydraulic test stand, refer
to applicable manual.
1.
Open shutoff valve in test stand return line.
Keep test stand bypass valve closed.
Otherwise, contaminants could
reenter the system.
2.
Set test stand to deliver 10 gpm at 500 psi
pressure.
3.
Start test stand and slowly fill lines with hydraulic
fluid. Check system for leaks.
4.
Flush system for 5 minutes to make sure system
is filled.
5.
Shut down test stand.
6.
At No. 2 lower controls module location, remove
bypass hose (1) from pressure line (2). Plug and
cap both lines. Wear gloves (E184.1).
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