FILLING AND BLEEDING FLIGHT CONTROL HYDRAULIC SYSTEMS
At No. 2 reservoir/cooler (30) open bleed valve
(31) until all air is bled. Cycle cyclic control.
Close bleed valve.
Shut down test stand. Close shutoff valve in test
stand return line.
Service No. 2 reservoir (30) (Task 1-61 or 1-63).
Disconnect case drain line (32) from case drain
port (33) of No. 2 pump (34).
Make sure case of No. 2 pump is full of hydraulic
fluid (E199). Fill case with fluid through drain
port (33) as required.
Have helper rotate rotary wings at least 10
complete turns by pulling blades around in
normal direction. Use blade tie down lines on
forward rotor blades. Turn rotors until hydraulic
fluid flows from case drain port (33). Use
container and cloths (E120).
Connect case drain line (32) to case drain port