(2)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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Subtask 27-96-00-410-058
B. Close Access
(1)
Install the protective cover on the battery power center 105VU.
(2)
Tighten the two screws.
(3)
Close the access door 822.
(4)
Remove the access platform(s).
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TASK 27-96-00-710-008
Operational Test of the Damping Measurement (Elevator)
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE CLEAR.
_______ MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
1. Reason for the Job
__________________
Refer to the MPD TASK: 273400-01
This test measures the damping coefficient of the elevator servocontrols.
When the coefficient is in the tolerances, the test result L/R ELEV TEST OK
comes into view on the CFDS.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 1.6 m (5 ft. 3 in.)
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B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
29-10-00-863-003 Pressurize the Blue Hydraulic System with a Ground Power Supply
29-10-00-864-003 Depressurize the Blue Hydraulic System
29-23-00-863-001 Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
29-23-00-864-001 Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU
31-32-00-860-006 Procedure to Get Access to the SYSTEM REPORT/TEST F/CTL Page
TSM 27-OBSV PB 101 (for corrective action)
3. Job Set-up__________
Subtask 27-96-00-860-089
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
On the overhead panel 23VU, make sure that:
-the FLT CTL/ELAC 1 and FLT CTL/SEC 1 pushbutton switches are pushed (on these pushbutton switches, the FAULT and OFF legends are off).
(3)
On the overhead panel 24VU, make sure that:
-the FLT CTL/ELAC 2, FLT CTL/SEC 2 and FLT CTL/SEC 3 pushbutton switches are pushed (on these pushbutton switches, the FAULT and OFF legends are off).
(4)
On the overhead panel 20VU, on the ADIRS CDU:
-make sure that the 3 OFF/NAV/ATT selector switches are in the OFF position.
(5)
On the center pedestal, make sure that the SPEED BRAKE control lever is set to RET.
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(6) On the MCDU:
-Get access to the SYSTEM REPORT/TEST F/CTL page (Ref. TASK 31-32-00-860-006).
Subtask 27-96-00-010-057
B. Get access to the Avionics Compartment
(1)
Put the access platform at the access door 822.
(2)
Open the access door 822.
(3)
On the battery power center 105VU:
-loosen the two screws and remove the protective cover.
Subtask 27-96-00-865-061
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/ELAC1/NORM/SPLY 15CE1 B11 49VU FLIGHT CONTROLS/FCDC1/SPLY 20CE1 B10 49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08 49VU L/G/LGCIU/SYS1/NORM 1GA C09 105VU FLIGHT CONTROLS/ELAC2/STBY SPLY 16CE2 A02 105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01 105VU FLT CTL/SEC1/STBY SPLY 22CE B01 121VU PTR/SPLY 6TW J21 121VU CFDS/CFDIU/SPLY 2TW J18 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34 121VU FLIGHT CONTROLS/FCDC2/SPLY 20CE2 Q20 121VU FLIGHT CONTROLS/SEC3/SPLY 21CE3 Q19 121VU FLIGHT CONTROLS/SEC2/SPLY 21CE2 Q18 121VU FLIGHT CONTROLS/ELAC2/NORM/SPLY 15CE2 R20
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