TM 55-1520-240-23-6
7-16.2
FILLING AND BLEEDING FLIGHT CONTROL HYDRAULIC SYSTEMS (WITHOUT
EXTERNAL POWER)
(Continued)
7-16.2
6.
Bleed air from No. 1 system reservoir/cooler (17)
as follows:
a.
Loosen clamp (18) and disconnect hose (19)
from bleed valve (20). Connect bleed hose
(21) to valve.
b.
Open bleed valve (20). Let fluid flow until
air-free. Close valve.
c.
Service reservoir (Task 1-60 or 1-62).
7.
Repeat steps 4 and 6 until no air is in fluid flowing
from bleed valve (20).
8.
Remove bleed hose (21). Connect hose (19) to
valve (20). Tighten clamp (18).
9.
Shut down the APU (Task 1-36).
10.
If No. 2 system will not be bled, go to Follow-On
Maintenance.
NO. 2 SYSTEM
11.
Bleed flight control hydraulic pump (22) as
follows:
a.
Disconnect drain tube (23) from case drain
port (24) of pump.
b.
Fill pump with hydraulic fluid (E199) through
port (24). Use hand oiler.
c.
Connect tube (23) to port (24).
7-129