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REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure 27-41-00-991-004 Fig. 504
3. Job Set-up
__________ Subtask 27-41-00-860-054
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Do the EIS start procedure (Ref. TASK 31-60-00-860-001).
(3)
Pressurize the Green and Yellow hydraulic systems (Ref. TASK 29-23-00-863-001) (Ref. TASK 29-24-00-863-001).
(4)
On the center pedestal, on the ECAM control panel, push the F/CTL key (on the lower ECAM display unit, the F/CTL page comes into view).
Subtask 27-41-00-865-051
B. Make sure that this(these) circuit breaker(s) is(are) closed:
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121VU FLIGHT CONTROLS/ELAC2/NORM/SPLY 15CE2 R20
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4. Procedure
_________ Subtask 27-41-00-720-051
A. Functional Test of the THS-Actuator Overtravel Related to the Mechanical Indicator
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1.
Slowly move one of the pitch-trim control wheels to the 4 deg. DN stop.
2.
Slowly move one of the pitch-trim control wheels to the 13.5 deg UP stop.
-The 4 Deg DN indication on eachgraduated wheel is opposite thetriangle on the center pedestal index.
-On the lower ECAM display unit, on the F/CTL page, on the PITCH TRIM indicator the value shown is 4 +0.3 -0.5 deg.
-The mechanical input of the THS actuator is against its stop before the pitch-trim gearset unit. At the control wheel, first you must feel the THS actuator stop then you must put more force (cable elasticity), finally you get the pitch-trim gearset unit stop. On the lower ECAM display unit, on the F/CTL page, on the PITCH TRIM indicator: make sure that the value shown is 4 +0.3 -0.5 deg.
-In the zone 310, the position mark of the THS is opposite the 4th upper mark on the tail cone.
-The 13.5 UP mark on each graduatedwheel is opposite the triangle of thecenter pedestal index.
-On the lower ECAM display, on the F/CTL page, on the PITCH TRIM indicator, the value shown is 13.5 +0.4 -0.6 deg.
-You touch the stop of the THS actuator mechanical input before the stop of the pitch-trim control wheel. The stop must have almost the same flexibility as for the DN position.
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-In the zone 310, the position mark of the THS is opposite the 13.5 th lower mark on the tail cone.
3.
Move the pitch-trim control wheel - On the lower ECAM display unit, on
to the 0 position. the F/CTL page, on the PITCH TRIM indicator the value shown is 0 +0.3 -0.3 deg.
4.
If the values shown on the F/CTL page are not correct and if you touch the stop on the pitch-trim gearset unit before the stop of the THS actuator mechanical input, do these steps:
A. Loosen the cables (Ref. TASK 27-41-00-820-001)(Ref.Subtask
27-41-00-820-050).
B. Remove the chain from the pinion just after the gearset unit. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM FLIGHT CONTROLS 飞行操纵3(84)
