TM 55-1520-240-23-6
7-338.1
BLEEDING UTILITY HYDRAULIC SYSTEM ENGINE START SYSTEMS
(Continued)
7-338.1
NOTE
Test stand filters must be cleaned
before connecting test stand to
helicopter.
To operate hydraulic test stand, refer
to applicable manual.
1.
In cockpit, place ENG START switch to center
position between (1 and 2) on START panel (3).
2.
Pull out ENGINE NO. 1 START & IGN circuit
breaker (4) on No. 1 PDP (5) to OFF position.
3.
Pull out ENGINE NO. 2 START & IGN circuit
breaker (6) on No. 2 PDP (7) to OFF position.
4.
Remove dust cover (8) from PRESSURE
connection (9) and dust cover (10) from
SUCTION connection (11).
5.
Connect test stand pressure line (12) to
PRESSURE connection (9) and test stand return
line (13) to SUCTION connection (11). Open
shutoff valve in test stand return line.
7-1249