TM 55-1520-240-23-6
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FLUSH APU AND AFT TRANSMISSION PUMP CASE DRAINS
(Continued)
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6.
Disconnect CD tube (11) from APU motor pump
(12).
7.
Connect test stand pressure hose (13) to CD
port (14) of pump (12).
Do not exceed 500 psi. Otherwise
damage to components can occur.
Keep test stand bypass valve closed.
Otherwise, contaminants could
re-enter the system.
8.
Apply hydraulic power. Set stand to 10 gpm at
500 psi. Flush system for 15 minutes. Check
for leaks.
9.
Remove hydraulic power.
10.
Disconnect hose (13) from pump (12). Use
container and cloths (E120) for spilled fluid. Use
gloves (E186).
11.
Connect tube (11) to CD port (14) of pump (12).
12.
Disconnect hose (9) from pump (8). Use
container and cloths (E120) for spilled fluid.
13.
Connect tube (7) to CD port (10) of pump (8).
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