Landing Gear and Doors Indication and Warnings
Figure 001
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Landing Gear Position and Indication - Block Diagram
Figure 002
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3. System Description__________________
Not applicable
4. Power Supply____________
Not applicable
5. Interface_________
Not applicable
6. Component Description_____________________
Not applicable
7. Operation/Control and Indicating________________________________
Not applicable
8. BITE Test_________
Each of the LGCIU's contains BITE. The BITE has hardware and software for these functions:
-
to continuously monitor the system for failures
-
to do a test of parts of the system during power-up
-
to keep a record of failures and also send this data to the Centralized Fault Display System (CFDS) and Data Recording System (Ref. 31-30-00)
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to do a System test during ground maintenance
-
to simulate different L/G configurations during maintenance.
The LGCIU-BITE supplies data to the CFDS, as a maintenance aid system.
ARINC 429 input and output data buses connect the LGCIU-BITE to the CFDS. The CFDS Interface Unit is the interface between the LGCIU-BITE and the MCDUs. Each MCDU contains a cathode-ray-tube display, function keys and keyboard. This lets the maintenance technicians:
-read the failure data in the Non-Volatile Random-Access Memory (NOVOL RAM) of the LGCIU
-get access to the results of the most recent System test
-use the LGCIU functions to do L/G simulations.
The ground test BITE function is started on demand via the CFDS every 400 hours. This is described in Landing Gear BITE (Ref. 32-69-00).
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______________________________________
TASK 32-60-00-040-001
Anti Skid Indication on ECAM WHEEL Page
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 GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job
__________________
Refer to the MMEL TASK: 32-60-03-F) R Position and Warning R Indications on ECAM WHEEL page
Anti Skid Indication On ECAM WHEEL Page
(FAA Only)
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers
No specific warning notice
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R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 24-41-00-861-002 R R 24-41-00-862-002 R R 31-32-00-860-009 R R 31-60-00-860-001 R 31-60-00-860-002 R 32-00-00-481-001 R
R 3. Job Set-up
__________
R Subtask 32-60-00-941-051
R A. Safety Precautions Energize the Aircraft Electrical Circuits from the External Power De-energize the Aircraft Electrical Circuits Supplied from the External Power Procedure to Get Access to the SYSTEM REPORT/TEST/L/G Page EIS Start Procedure EIS Stop Procedure Installation of the Safety Devices on the Landing Gears
R (1) Put the safety barriers in position.
R (2) Make sure that the ground safety locks are on the landing gear
R (Ref. TASK 32-00-00-481-001).
R (3) On the panel 400VU, make sure that the landing-gear control-lever 6GA
R is in the DOWN position.
R (4) Put a warning notice in position to tell persons not to operate the
R landing gear.
R Subtask 32-60-00-860-053
R B. Aircraft Maintenance Configuration
R (1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-
R 002).
R (2) On the panel 402VU, make sure that the A/SKID & NOSE WHEEL switch is 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 LANDING GEAR 起落架9(74)
