(c)
Connect the electrical connector (22) to the valve block assembly (23).
Subtask 27-84-52-860-051
C. Preparation for the Test
(1)
Remove the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT from the right slat transmission.
(2)
Remove the LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT from the left slat transmission.
1EFF : ALL 1 27-84-52Page 414 1 1 Nov 01/03R 1 1 1CES 1
(3)
Pressurize the resevoirs of the Blue and the Green hydraulic systems (Ref. TASK 29-14-00-614-002).
(4)
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).
(5)
Remove the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (Ref. TASK 27-00-00-080-002) from the slat/flap control lever.
(6)
Remove the warning notice(s).
(7)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 27-84-52-865-052
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5CV, 7CV
Subtask 27-84-52-710-050
E. Test
(1)
Do the operational test of the slat system (Ref. TASK 27-84-00-710-001).
(2)
Make sure that there are no leaks and that no fluid comes out of the seal drain line (25).
5. Close-up
________ Subtask 27-84-52-860-052
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 27-84-52-410-050
B. Close the main doors of the main gear (Ref. TASK 32-12-00-410-001).
VALVE BLOCK - SLAT PCU (25CV,26CV) - REMOVAL/INSTALLATION
_________________________________________________________
TASK 27-84-53-000-001
Removal of the Valve Blocks 25CV, 26CV of the Power Control Unit (Slat)
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.
NOTE : The removal procedure for the valve block 25CV is given. The removal
____ procedure for the valve block 26CV is almost the same. The differences in the procedures are given.
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 caps 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 2 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 27-84-53-991-001 Fig. 401
3. Job Set-up
__________
Subtask 27-84-53-866-050
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.
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