1.
-
the MCDU shows the SFCC 1 menu page
2.
-
the MCDU shows the SLAT SYSTEM DATA submenu.
-
the MCDU shows the PPU DATA page(s).
R (2) Do the operational test of the slat system (Ref. TASK 27-84-00-710-001).
R (3) Make sure that there are no leaks and that no fluid comes out of the seal drain lines (41).
5. Close-up
________
Subtask 27-84-51-860-053
A. Put the aircraft back to the serviceable condition.
(1)
Make sure that the level of the fluid in the relevant hydraulic reservoir is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
(2)
Remove the container from below the PCU (1).
(3) Remove the access platform(s).
Subtask 27-84-51-410-050
B. Close the main doors of the main gear (Ref. TASK 32-12-00-410-001).
BRAKE - PRESSURE OFF, SLATS PCU - REMOVAL/INSTALLATION
______________________________________________________
TASK 27-84-52-000-001
Removal of the Pressure-Off Brake of the Slat Power Control Unit
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
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.
1. Reason for the Job__________________
Self Explanatory
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking plugs No specific circuit breaker(s) safety clip(s) No specific warning notice No specific access platform 2.2 m (7 ft. 3 in.) No specific container 5.0 l (1.3208 USgal) 98D27504030001 1 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT 98D27803000000 1 LOCKING TOOL - FLAP/SLAT CONTROL LEVER
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-00-00-480-002 Installation of the Flap/Slat Control-Lever Locking
Tool (98D27803000000) 27-80-00-866-005 Retracting the Slats on the Ground 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 32-12-00-010-001 Open the Main Gear Doors for Access 27-84-52-991-001 Fig. 401
3. Job Set-up
__________
Subtask 27-84-52-866-050
A. Retraction of the Slats
(1)
Retract the slats to the 0 degree position (Ref. TASK 27-80-00-866-005).
(2)
Install the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) (Ref. TASK 27-00-00-480-002) on the slat/flap control lever.
Subtask 27-84-52-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 5CV B06 121VU FLIGHT CONTROLS/SLT/CTL/SYS2 7CV R21
Subtask 27-84-52-010-050
C. Open the main doors of the main gear (Ref. TASK 32-12-00-010-001).
Subtask 27-84-52-860-050
D. Aircraft Maintenance Configuration
(1)
Put the access platform in position at the opening of the main door of the main gear.
(2)
Make sure that the Green and Blue hydraulic systems are depressurized and put them in the maintenance configuration (Ref. TASK 29-00-00-864-001).
(3)
Depressurize the reservoirs of the Blue and the Green hydraulic systems (Ref. TASK 29-14-00-614-001).
(4)
Put the warning notice in position to tell persons not to pressurize the hydraulic systems.
(5)
Install the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT (98D27504030001) to lock the left slat transmission.
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