TM 55-1520-240-23-6
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BLEEDING UTILITY HYDRAULIC SYSTEM ENGINE START SYSTEMS
(Continued)
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NOTE
Test stand filters must be cleaned
before connecting test stand to
helicopter.
Make sure filter assembly kit
ADHT6814-M9716M is installed in
test stand pressure line.
To operate hydraulic test stand, refer
to applicable manual.
1.
In cockpit, place ENGINE 1 start switch (1) and
ENGINE 2 start switch (2) on START panel (3)
to OFF position.
2.
Pull out ENGINE No. 1 IGN circuit breaker (4) on
No. 1 POP (5) to OFF position.
3.
Pull out ENGINE No. 2 IGN circuit breaker (5) 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.
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