TM 55-1520-240-23-6
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BLEEDING ENGINE START HYDRAULIC SYSTEMS (WITHOUT EXTERNAL
POWER)
(Continued)
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NO. 1 ENGINE
4.
Disconnect pressure line (8) and return line (9)
from engine starter (10). Wear gloves (E184.1).
5.
Connect pressure line (8) to return line (9) with
reducer.
6.
Operate the APU (Task 1-36).
7.
Set ENGINE 1 start switch (1) on cockpit START
panel (3) to MOTOR. After 5 minutes set switch
(1) to OFF.
8.
Shut down the APU (Task 1-36).
9.
At engine, disconnect pressure line (8) from
return line (9).
10.
Connect pressure line (8) and return line (9) to
engine starter (10).
11.
Operate the APU (Task 1-36).
12.
Set switch (1) to MOTOR. Wait until engine starts
to rotate. After engine has rotated slowly for 2
minutes, set switch (1) to OFF.
13.
Shut down the APU (Task 1-36).
INSPECT
NO. 2 ENGINE
14.
Repeat steps 4 thru 6 for No. 2 engine.
15.
Set ENGINE 2 start switch (2) on cockpit START
panel (3) to MOTOR. After 5 minutes set switch
(2) to OFF.
16.
Shut down the APU (Task 1-36).
17.
Repeat steps 9 and 10 for No. 2 engine.
18.
Operate the APU (Task 1-36).
19.
Set switch (2) to MOTOR. Wait until engine starts
to rotate. After engine has rotated slowly for 2
minutes set switch (2) to OFF.
20.
Shut down the APU (Task 1-36).
INSPECT
FOLLOW-ON MAINTENANCE:
Service utility reservoir (Task 1-59 or 1-62).
Disconnect battery (Task 1-39).
Close engine access covers (Task 4-50).
END OF TASK
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