TM 1-1520-238-23
1-237
1.72.
EXTERNAL POWER APPLICATION HYDRAULIC (PRIMARY) continued
NOTE
Disconnect AGPU hydraulic pressure
and return hoses from ground service
panel immediately after completion of
maintenance task. This will prevent over
servicing of hydraulic manifold.
i. Reduce
AGPU
pressure
to
0
psi
(TM 55-1730-229-12).
j. Service primary hydraulic manifold reservoir
(para 1.34).
k. Disconnect AGPU return hose (1) from PRI-
MARY coupling (2).
(1) Turn coupling nut (3) counterclockwise until it
clears coupling (2).
(2) Install cap (4) on coupling (2).
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M04-1658-3
2
4
1
4
2
3