TM 55-1520-240-23-6
7-13
FLUSHING FLIGHT CONTROL HYDRAULIC SYSTEM (RETURN LINES)
(Continued)
7-13
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 hose.
To operate hydraulic test stand refer
to applicable manual.
1.
Open shutoff valve in test stand return lines.
Do not exceed 500 psi. Otherwise,
damage to components can occur.
Keep test stand bypass valve closed.
Otherwise, contaminants could
re-enter 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.
INSPECT
6.
At No. 2 lower controls module location,
disconnect bypass hose (1) from return line (2).
Plug and cap both lines. Use gloves (E186).
7.
At ILCA manifold location, disconnect bypass
hose (3) from No. 1 return line (4). Plug and cap
both lines.
INSPECT
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