TM 55-1520-240-23-6
7-344
BLEED NO. 1 OR NO. 2 PTU MOTOR AND PUMP (WITHOUT EXTERNAL
POWER)
(Continued)
7-344
9.
Working at right side of pylon, loosen clamp (20)
and disconnect hose (21) from bleed valve (22)
of utility reservoir/cooler (23).
10.
Connect bleed hose (24) to valve (22).
11.
Operate the APU (Task 1-36).
12.
Open valve (22). Let fluid flow for three minutes
to ensure that it is air-free.
13.
Close valve (22). Remove bleed hose (24).
Connect hose (21).
14.
Shut down the APU (Task 1-36).
15.
Open cap (8) of fill module (9). Fill module with
hydraulic fluid (E199). Close cap.
16.
Set handle (10) of selector valve (11) to position
3. Operate pump handle (12) until utility
reservoir/cooler indicator (13) indicates full.
FOLLOW-ON MAINTENANCE:
Set PWR XFR 1 switch on hydraulic panel to OFF.
Disconnect battery (Task 1-39).
Close right forward work platform or pylon right
access door (Task 2-2).
END OF TASK
7-1274
