TM 55-1520-240-23-6
7-338.1
BLEEDING UTILITY HYDRAULIC SYSTEM ENGINE START SYSTEMS
(Continued)
7-338.1
NO. 1 ENGINE
6.
Disconnect pressure line (14) and return line (15)
from engine starter (16). Wear gloves (E184.1).
7.
Connect pressure line (14) to return line (15)
wIth reducer.
8.
Start hydraulic test stand and adjust pressure
to 500 psi.
9.
In cockpit, set ENG START switch on cockpit
FADEC panel (3) to position 1. After 5 minutes
set switch (1) to center position. Shut down test
stand.
10.
At engine, disconnect pressure line (14) from
return line (15).
11.
Connect pressure line (14) and return line (15)
to engine starter (16).
12.
Start hydraulic test stand. Set ENG START
switch to position 1. Increase stand pressure
until engIne starts to rotate. After engine has
rotated slowly for 2 minutes, set switch to center
position. Shut down test stand.
INSPECT
NO. 2 ENGINE
13.
For No. 2 engine, repeat steps 6 thru 8.
14.
Set ENG START switch on cockpit FADEC panel
(3) to position 2. After 5 minutes set switch to
center position. Shut down test stand.
15.
Repeat steps 10 and 11 for No. 2 engine.
16.
Start hydraulic test stand. Set ENG START
switch to position 2. Increase stand pressure
until engine starts to rotate. After engine has
rotated slowly for 2 minutes set switch to center
position. Shut down test stand.
7-1250
