TCH.1C-27J-2-27JG
PROCEDURE:
2-91.1 CHECK OF LIFT DUMPER TRAVEL (refer to
figure
) , (refer to figure
)
WARNING
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DURING PERFORMANCE OF THIS
PROCEDURE, THE SPOILERS EXTEND
TO MAXIMUM TRAVEL FASTLY.
NOBODY MUST BE PRESENT IN THE
SPOILERS MOVEMENT AREA TO AVOID
POSSIBLE INJURY.
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1.Fit spoiler check template (AGE NO. 00013) to the top
surface of LH and RH outer wings.
2.Power up the Avionics to get the cockpit displays
availability and select the ACAWS page on the CMDU
(4).
3.Use hydraulic test stand (AGE NO. 00262) and
ensure that hydraulic systems 1 and 2 are powered to
20.7 MPa (3000 psi).
4.Close the circuit breaker LIFT DUMPER (1CE ) (2)
located on circuit breakers panel (271 VE) (1) position
F 15.
5.Simulate the aircraft FLT condition (if necessary).
6.On the Flight Control System (FCS1) panel (5), set
the LIFT DUMPER switch to ARMED (6) position and
verify that the ACAWS advisory message LIFT
DUMPER ARM appears on CMDU (4).
7.Set the Engine 1 and 2 throttles levers to GND IDLE
and verify that the spoilers remain lowered.
8.Simulate the aircraft GROUND condition (if
necessary) and verify that the spoilers extend to 90°
±
2 ° read on spoiler check template (AGE NO.
00013).
(Cont'd)
27-60-05
2-662