TM 55-1520-240-23-6
7-336
BLEED UTILITY HYDRAULIC RESERVOIR/COOLER, APU PUMP/ MOTOR AND UTILITY
PUMP SYSTEM
(Continued)
7-336
17.
Working aft right of helicopter, remove two caps
(26 and 27) from PRESSURE port (28) and
RETURN port (29) of ground service panel (30).
18.
Connect test stand pressure hose (31) to port
(28) of panel (30).
19.
Connect test stand return hose (32) to port (29)
of panel (30).
20.
Apply hydraulic power. Set stand to 300 psi.
21.
Working from ramp, loosen nut (33) of
PRESSURE tube (34) to manifold (25). Allow
fluid to flow until air free. Tighten nut. Use
container and cloths (E120) for spilled fluid. Use
gloves (E186).
22.
Working at right pylon, loosen nut (34) of
pressure tube (35) to reservoir/cooler (10). Allow
fluid to flow until air free. Tighten nut. Use cloths
(E120) for spilled fluid.
7-1236