-
the ice protection system, which supplies Slats 3 thru 5 (Ref. 30-11-00).
Leading Edge and Leading Edge Devices
Figure 001
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R Leading Edge and Leading Edge Devices
Figure 001A
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B. Slats
The five slats (slat 1 thru slat 5) are wedge-shaped aluminum alloy structures. They are extended or retracted to give the correct lift to the aircraft. The drive system for the slats is electrically controlled. It uses hydraulic power to turn pinions installed in the fixed leading edge. The movement is transferred to the slats by racks attached to the slat tracks.
Each slat has a main rivetted structure of top and bottom skin panels and end ribs. The structure is strengthened by intermediate ribs, a girder and a top skin stringer. A trailing edge structure closes the aft edge of the slat and completes the aerodynamic profile. Slat track ribs give attachment points for the slat tracks.
LEADING EDGE AND LEADING EDGE DEVICES - DEACTIVATION/REACTIVATION
_________________________________________________________________
TASK 57-40-00-040-001
Preparation of the Aircraft for Flight After Damage to Rubber Seal Under Slats
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 CDL TASK: 27-7
Rubber Seal under Slats
2. Job Set-up Information
______________________
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 notice
No specific adjustable access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-80-00-866-004 Extending the Slats on the Ground 27-80-00-866-005 Retracting the Slats on the Ground 27-84-00-710-001 Operational Test of the Slat System 57-40-00-991-001 Fig. 401
3. Job Set-up
__________ Subtask 57-40-00-941-050
A. Safety Precautions
(1)
Put the safety barriers in position.
(2)
Put a warning notice in the cockpit to tell persons not to operate the slat controls.
Subtask 57-40-00-010-050
B. Get Access
(1)
Fully extend the slats (Ref. TASK 27-80-00-866-004).
(2)
Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER is installed on the flap/slat control lever on panel 114VU.
(3)
Put an adjustable access platform in position below the applicable zone 510(610).
Subtask 57-40-00-865-050
C. 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
4. Procedure
_________
(Ref. Fig. 401/TASK 57-40-00-991-001) Subtask 57-40-00-040-050
A. Preparation of the Aircraft for Flight After Damage to Rubber Seal Under Slat
(1) Cut and remove loose or damaged seal that could have an effect on slat operation.
NOTE : A maximum of 1 m (3.28 ft.) of seal can be missing from each
____
slat.
Rubber Seal under Slat - Location and Detail
Figure 401/TASK 57-40-00-991-001
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5. Close-up
________ Subtask 57-40-00-865-051
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5CV, 7CV.
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