TASK 27-81-00-710-001 Operational Test of the Wing-Tip Brake and the Pressure-Off Brake WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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START A TASK ON OR NEAR:
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THE FLIGHT CONTROLS
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THE FLIGHT CONTROL SURFACES
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THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE. WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
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CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
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1.
Reason for the Job
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Self Explanatory
2.
Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific safety barriers
No specific warning notices
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-38-00-710-001
24-41-00-861-002
24-41-00-862-002
27-51-00-750-001
27-80-00-869-004
R R R R 29-10-00-863-003 29-10-00-864-001 29-10-00-864-002 29-10-00-864-003 29-14-00-614-001 29-23-00-863-001
R 29-24-00-863-001
R 31-32-00-860-006
27-81-00-710-002
27-81-00-710-003
Operational Test of the Battery Charge Limiter (BCL), (without the CFDS)Energize the Aircraft Electrical Circuits from the External PowerDe-energize the Aircraft Electrical Circuits Supplied from the External PowerAutomatic Integrity Test of the Slat and Flap Control ComputersReset of the Wing Tip Brake (WTB) of the Slat System on the Ground Pressurize the Blue Hydraulic System with the Blue Electric Pump Depressurize the Green Hydraulic System Depressurize the Yellow Hydraulic SystemDepressurize the Blue Hydraulic SystemDepressurization of the Hydraulic ReservoirsPressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
Pressurize the Yellow Hydraulic System with the Electric Pump
Procedure to Get Access to the SYSTEM REPORT/TEST F/CTL PageOperational Test of the Wing-Tip Brake and the Pressure-Off Brake with the Ground Power Cart (for corrective action)Operational Test of the Wing-Tip Brake and the Pressure-Off Brake with the Engine Driven Pumps (for corrective action)
3. Job Set-Up__________
Subtask 27-81-00-941-050
A. Safety Precautions
(1) Put the safety barriers in position.
(2) Put the warning notices in position to tell persons that the slat and flap systems are in operation.
Subtask 27-81-00-860-052
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2) Make sure that the aircraft batteries are fully charged (Ref. TASK 24-38-00-710-001).
(3) Get access to the SYSTEM REPORT/TEST (F/CTL) page on the MCDU (Ref. TASK 31-32-00-860-006).
(4) Do the automatic integrity test of the two SFCC's, which includes Slat and Flap BITE tests of the two computers (Ref. TASK 27-51-00-750-001).
(5) If the result of the BITE test indicates no faults but the WTB is applied, reset the WTB (Ref. TASK 27-80-00-869-004).
Subtask 27-81-00-865-056
R C. Open, safety and tag this(these) circuit breaker(s):
R R R R R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FAC1/26VAC 14CC1 B03 121VU AUTO FLT/FAC2/26VAC 14CC2 M18
Subtask 27-81-00-865-057
D. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 49VU FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 5CV B06 121VU FLIGHT CONTROLS/WTB/SLT/SYS2 11CV P19 122VU FLIGHT CONTROLS/WTB/SLT/SYS1 9CV S06
Subtask 27-81-00-860-050-A
E. Aircraft Maintenance Configuration
(1) Pressurize the Yellow and the Blue hydraulic systems with the electric pumps (Ref. TASK 29-24-00-863-001) (Ref. TASK 29-10-00-863-003).
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