TM 55-1520-240-23-6
7-336
BLEED UTILITY HYDRAULIC RESERVOIR/COOLER, APU PUMP/ MOTOR AND UTILITY
PUMP SYSTEM
(Continued)
7-336
31.
Open valve (38).
32.
Working in cockpit, set switch (39) of panel (40)
to OFF.
33.
Set stand to 3000 psi.
34.
Loosen nut (41) of tube (42). Use container and
cloths (E120) for spilled fluid. Use gloves (E186).
35.
Rotate aft rotor head clockwise a minimum of
10 complete turns, or until fluid flow from tube
(42) is air free. Tighten nut (41). Use tiedown
lines to turn rotor head.
7-1239