Material No. 09-016  USA MIL-PRF-81733D TYPE II CLASS B
 CORROSION INHIBITING FILLET CONSISTENCY
 (Ref. 20-31-00)

R Material No. 11-003 USA ASTM D 740 METHYL-ETHYL-KETONE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)

 C. Expendable Parts

 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
R R R R R R R R R  1 2 3 4 5 6 7 8 9  tab washer nut nut tab washer spherical bearing nut tab washer spherical bearing spherical bearing  57-45-21 02 -010A 57-45-21 02 -010A 57-45-21 02 -010A 57-45-21 02 -010A 57-45-21 02 -010A 57-45-21 02 -010A 57-45-21 02 -010A 57-45-21 02 -010A 57-45-21 02 -010A
 D. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-84-00-710-001 27-84-66-000-001 27-84-66-400-002 57-45-21-991-001  Operational Test of the Slat SystemRemoval of the No. 4 SlatInstallation of the No. 4 SlatFig. 401
 3. Job Set-up__________
 Subtask 57-45-21-941-051
 A. Safety Precautions
 (1) Make sure that the warning notices are in position in the cockpit to tell persons not to operate the flaps or slats.
 (2) Make sure that the safety barriers are in position.
 Subtask 57-45-21-860-050
 B. Aircraft Maintenance Configuration
 (1) Make sure that the access platform is in position below the applicable slat 4, zone 514(614).
 (2) Make sure that the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) is installed on the slat/flap control lever.

 (3) Make sure that the No. 4 slat has been removed (Ref. TASK 27-84-66-000-001).
 Subtask 57-45-21-865-051
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------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 57-45-21-991-001)
 Subtask 57-45-21-420-051
 A. Preparation For Installation
 WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
 (1)
 Use a plastic spatula to remove the sealant from the component interfaces.

 (2)
 Clean the component interfaces and/or the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-003).

 (3)
 Do an inspection of the component interface and/or the adjacent area.

 Subtask 57-45-21-420-050
 B. Installation of the Spherical Bearings of the No. 4 Slat
 (1)
 Installation of the spherical bearing (9) at the position D

 (a)
 Apply SEALANTS (Material No. 09-013) to the mating surfaces of the spherical bearing (9) and the slat structure. Make sure that the sealant does not go onto the internal surfaces of the spherical bearing (9).

 (b)
 Install the spherical bearing (9). Make sure that the spherical bearing housing aligns correctly with the projection on the slat rib.

 (c)
 Install the new tab washer (1) and the new nut (2).

 (d)
 TORQUE the nut (2) to between 1.2 and 1.5 m.daN (106.19 and

 132.74 lbf.in). Make sure that you can safety the nut (2) with the tab washer (1).

 (e)
 Safety the nut (2) with the tab washer (1).

 (f)
 Apply a bead of SEALANTS (Material No. 09-016) to the nut (2), the tab washer (1) and the adjacent slat structure. Make sure that the sealant does not go onto the internal surfaces of the spherical bearing (9).

 (2)
 Installation of the spherical bearing (8) at the position D

 (a)
 Apply SEALANTS (Material No. 09-013) to the mating surfaces of the spherical bearing (8) and the slat structure. Make sure that the sealant does not go onto the internal surfaces of the spherical bearing (8).
　
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