TM 55-1520-240-23-6
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FLUSH NO. 1 AND NO. 2 PTU AND CARGO HOOK PRESSURE TUBING
(Continued)
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23.
Working from center cabin, connect stand return
hose (19) to quick-disconnect (15) of cargo hook
hose (14).
Do not exceed 500 psi. Otherwise,
damage to components can occur.
Keep test stand bypass valve closed.
Otherwise, contaminants could
re-enter the system.
24.
Apply hydraulic power. Set stand to 10 gpm at
500 psi. Flush system for 15 minutes. Check
for leaks.
25.
Remove hydraulic power.
26.
Disconnect hose (19) from quick-disconnect (15).
Use container and cloths (E135) for spilled fluid.
27.
Connect hose (14) to quick-disconnect (15).
INSPECT
28.
Working from forward right work platform, remove
plug (13) from tee (12).
29.
Connect PTU pressure tube (11) to tee (12).
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