R 4. Procedure_________
R Subtask 31-14-25-000-051
R A. Removal of the Overhead Control and Indicating Panel
R (Ref. Fig. 201/TASK 31-14-25-991-001)
R (1) Loosen the four quarter-turn fasteners.
R (2) Pull the panel 25VU from its housing.
R (3) Disconnect the electrical connectors.
R (4) Remove the panel 25VU.
R (5) Put blanking caps on the disconnected electrical connectors (1), (3),
R (4) and (5).
R (6) On the connector (2), make a shunt between terminals A and S.
Panel 25VU - Location in the Cockpit and Rear Face Figure 201/TASK 31-14-25-991-001
1EFF : 1 1R 1CES ALL 1 11 1 31-14-25 Page 203 Aug 01/98
TASK 31-14-25-400-001
1. Reason for the Job
R Installation of the 25VU __________________ Self Explanatory
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 21-31-00-710-003 R R 21-31-00-710-004 R R 23-73-00-710-017
24-41-00-861-002
24-41-00-862-002
R 30-11-00-710-001 33-14-00-710-001
R 33-41-00-710-001 R 33-42-00-710-001 R 33-43-00-710-001 R 33-46-00-710-001 R 33-48-00-710-002 R R 33-49-00-710-001 R 33-51-00-710-004 R R R 34-11-15-710-001 R
3. Job Set-up
__________
Subtask 31-14-25-862-051Operational Test of the Manual Pressure Control and Monitoring Operational Test of the Outflow Valve Closing in Ditching Configuration Operational Test of the Cabin SignsEnergize the Aircraft Electrical Circuits from the External PowerDe-energize the Aircraft Electrical Circuits Supplied from the External Power Operational Test of the Wing Ice-Protection SystemOperational Test of the Annunciator Light Test System in the Cockpit Operational Test of the Navigation Lights Operational Test of the Landing Lights Operational Test of the Runway Turnoff Lights Operational Test of the Taxi and Take Off Lights Operational Test of the Anti-Collision/Strobe Lighting Operational Test of the Wing and Engine Scan Lights Check manual Operation from both Control Panels and check all Cabin Lights and Signs illuminated by Batteries Test of the Pitot Probe (9DA1, 9DA2, 9DA3) without the CFDS
A. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002)
1EFF : ALL 1 31-14-25Page 204 1 1 Aug 01/98 1 1 1CES 1 1EFF : ALL 1 31-14-25Page 205 1 1 Aug 01/98 1 1 1CES 1 1EFF : ALL 1 31-14-25Page 206 1 1 Aug 01/98 1 1 1CES 1 ELECTRICAL CLOCK - DESCRIPTION AND OPERATION
4. Procedure_________
Subtask 31-14-25-400-051
A. Installation of the Overhead Control and Indicating Panel
(1) Clean the component interface and/or the adjacent area.
(2) Do a visual inspection of the component interface and/or the adjacent area.
(3) Remove the shunt from the connector 2423VC.
(4) Remove the blanking caps from the electrical connectors (1), (3), (4), (5).
(5) Make sure that the electrical connectors are clean and in the correct condition.
(6) Install the panel 25VU in its housing.
(7) Connect the electrical connectors.
(8) Tighten the four quarter-turn fasteners.
Subtask 31-14-25-861-052
B. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 31-14-25-710-051
R R R R R R R R R R R R R R C. Do the following tests: - Operational Test of the Annunciator Light System (Ref. TASK 33-14-00-710-001), - Operational Test of the Wing Ice-Protection System (Ref. TASK 30-11-00-710-001), - Operational Test of the Anti-Collision/Strobe Lighting (Ref. TASK 33-48-00-710-002), - Operational Test of the Navigation Lights (Ref. TASK 33-41-00-710-001), - Check manual Operation from both Control Panels and check all Cabin Lights and Signs illuminated by Batteries (Ref. TASK 33-51-00-710-004), - Operational Test of the Cabin Signs (only the test of the passengers lighted signs, Para. 4.A.) (Ref. TASK 23-73-00-710-017), - Operational Test of the Landing Lights (Ref. TASK 33-42-00-710-001), - Operational Test of the Manual Pressure Control and Monitoring (Ref. TASK 21-31-00-710-003),
R - Operational Test of the Outflow Valve Closing in Ditching Configuration
R (Ref. TASK 21-31-00-710-004),
R - Test of the Pitot Probe (9DA1, 9DA2, 9DA3) without the CFDS (Ref. TASK
R 34-11-15-710-001),
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