STRUCTURE COMPLETE - SLAT 1 - REMOVAL/INSTALLATION
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TASK 57-42-21-000-001
Removal of the Spherical Bearings of the No. 1 Slat
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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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
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GEAR.
1. Reason for the Job
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R R 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
No specific access platform 2.5 m (8 ft. 2 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-84-63-000-001 Removal of the No. 1 Slat
57-42-21-991-001 Fig. 401
3. Job Set-up
__________ Subtask 57-42-21-941-050
A. Safety Precautions
(1)
Put warning notices in the cockpit to tell persons not to operate the flaps or slats.
(2)
Put the safety barriers in position.
(3)
Make sure that the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) is installed on the slat/flap control lever.
Subtask 57-42-21-865-050
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 57-42-21-010-050
C. Get Access
(1)
Put the access platform below the applicable slat 1, zone 511(611).
(2)
Remove the No. 1 slat (Ref. TASK 27-84-63-000-001).
4. Procedure
_________ (Ref. Fig. 401/TASK 57-42-21-991-001) Subtask 57-42-21-020-050
A. Removal of the Spherical Bearings of the No. 1 Slat
(1) Removal of the spherical bearing (4) at the position B
(a)
Disengage the tab washer (3) from the nut (2).
(b)
Remove and discard the nut (2) and the tab washer (3).
(c)
Remove and discard the spherical bearing (4).
Spherical Bearings of the No. 1 Slat - Location and Detail
Figure 401/TASK 57-42-21-991-001
(2)
Removal of the spherical bearing (7) at the position D
(a)
Disengage the tab washer (6) from the nut (5).
(b)
Remove and discard the nut (5) and the tab washer (6).
(c)
Remove and discard the spherical bearing (7).
(3)
Removal of the spherical bearing (1) at the positions E and F
(a)
Disengage the tab washer (11) from the nut (9).
(b)
Remove and discard the nut (9) and the tab washer (11).
(c)
Remove and discard the spherical bearing (1).
(4)
Removal of the spherical bearing (12) at the positions E and F
(a)
Disengage the tab washer (10) from the nut (8).
(b)
Remove and discard the nut (8) and the tab washer (10).
(c)
Remove and discard the sperical bearing (12).
TASK 57-42-21-400-001
Installation of the Spherical Bearings of the No. 1 Slat
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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