(d) TORQUE the nut (6) to between 1.2 and 1.5 m.daN (106.19 and 132.74 lbf.in). Make sure that you can safety the nut (6) with the tab washer (7).
(e) Safety the nut (6) with the tab washer (7).
(f) Apply a bead of SEALANTS (Material No. 09-016) to the nut (6), the tab washer (7) and the adjacent slat structure. Make sure that the sealant does not go onto the internal surfaces of the spherical bearing (8).
R (3) Installthe spherical bearing (5) at position B as follows:
(a) Apply SEALANTS (Material No. 09-013) to the mating surfaces of the spherical bearing (5) and the slat structure. Make sure that the sealant does not go onto the internal surfaces of the spherical bearing (5).
R R (b) Install the new spherical bearing (5). Make sure that the spherical bearing housing aligns correctly with the projection on the slat rib.
R (c) Install the new tab washer (4) and the new nut (3).
(d) TORQUE the nut (3) to between 1.2 and 1.5 m.daN (106.19 and 132.74 lbf.in). Make sure that you can safety the nut (3) with the tab washer (4).
(e) Safety the nut (3) with the tab washer (4).
(f) Apply a bead of SEALANTS (Material No. 09-016) to the nut (3), the tab washer (4) and the adjacent slat structure. Make sure that the sealant does not go onto the internal surfaces of the spherical bearing (5).
Subtask 57-44-21-410-050
C. Preparation for Test
(1) Install the applicable No. 3 slat (Ref. TASK 27-84-65-400-002).
(2) Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 57-44-21-865-052
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5CV, 7CV.
Subtask 57-44-21-710-050
E. Test
(1) Do an operational test of the slat system (Ref. TASK 27-84-00-710-001).
5. Close-up
________ Subtask 57-44-21-942-050
A. Removal of Equipment
(1)
Remove the access platform(s).
(2)
Remove the warning notice(s).
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
1EFF : ALL 1 57-44-21Page 410 1 1 May 01/01R 1 1 1CES 1
SLAT 4 - DESCRIPTION AND OPERATION
__________________________________
1. General
_______ R (Ref. Fig. 001, 002)
The slat 4 is installed on slat-tracks 9 and 10. These connect to the leading edge fixed structure outboard of the engine. It is one of five slats which are extended or retracted to give the correct lift to the aircraft.
2. Description
___________
The slat 4 is a wedge-shaped structure. It has:
-
a main rivetted structure
-
a trailing edge structure
-slat-tracks 9 and 10 (Ref. 27-84-00)
-attachments for the wing anti-icing system (Ref. 30-11-00).
3. Component Description
_____________________
A. Main Rivetted Structure
The main rivetted structure is made of ribs and a spar, a top skin and an
etched bottom skin.
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