(2)
 Put the access platform in position below the applicable slat-track, at the leading edge, zones 521 (621) and 522 (622).

 (3) For the slat-track cans 1, 2, 3, 5 and 6, make sure the applicable access panel is removed (Ref. TASK 57-27-11-000-001) and (Ref. TASK 28-10-00-910-002): - for the slat-track cans 1 and 2, 540AB (640AB) - for the slat-track can 3, 540BB (640BB) - for the slat-track can 5, 540DB (640DB) - for the slat-track can 6, 540FB (640FB).
 (4) For the slat-track cans 7 thru 12, make sure the applicable access panel is removed (Ref. TASK 57-27-11-000-002) (Ref. TASK 28-12-46-000-001) and (Ref. TASK 28-10-00-910-002): - for the slat-track can 8, 540LB (640LB) - for the slat-track can 9, 540NB (640NB) - for the slat-track can 10, 540RB (640RB) - for the slat-track can 11, 550BB (650BB) - for the slat-track can 12, 550DB (650DB). 
R  **ON A/C 301-399, 
R  Subtask 57-24-11-010-054-B 
R  C. Get Access 
R R  (1) Make sure the access platform is in position below the access panel adjacent to the applicable slat-track, zone 540 (640). 
R R  (2) Put the access platform in position below the applicable slat-track, at the leading edge, zones 521 (621) and 522 (622). 
R R R R R R R  (3) For the slat-track cans 1, 2, 3, 5 and 6, make sure the applicable access panel is removed (Ref. TASK 57-27-11-000-001) and (Ref. TASK 28-10-00-910-002): - for the slat-track cans 1 and 2, 540AB (640AB) - for the slat-track can 3, 540BB (640BB) - for the slat-track can 5, 540DB (640DB) - for the slat-track can 6, 540FB (640FB). 
R R R R R R R R  (4) For slat-track cans 7 thru 12, make sure the applicable access panel is removed (Ref. TASK 57-27-11-000-002) and (Ref. TASK 28-10-00-910-002): - for the slat-track can 8, 540LB (640LB) - for the slat-track can 9, 540NB (640NB) - for the slat-track can 10, 540RB (640RB) - for the slat-track can 11, 550BB (650BB) - for the slat-track can 12, 550DB (650DB).

R **ON A/C ALL

 4. Procedure
_________
 (Ref. Fig. 401/TASK 57-24-11-991-001-A, 402/TASK 57-24-11-991-002-A, 403/TASK 57-24-11-991-003, 404/TASK 57-24-11-991-004, 405/TASK 57-24-11-991-005, 406/TASK 57-24-11-991-006)
 Subtask 57-24-11-420-061
 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 57-24-11-420-055
 B. Installation of the Slat-track Cans 1 thru 3 (Ref. Fig. 401/TASK 57-24-11-991-001-A, 402/TASK 57-24-11-991-002-A)
 (1)
 Apply a layer of SEALANTS (Material No. 09-005) to the seal faces of the slat-track can (1), the front spar and the bolts (3).

 (2)
 Install the applicable slat-track can (1) with the bolts (3). Make sure that you install the bolts (3) in the same positions from which you removed them.

 (3)
 Tighten the bolts (3).

 (4)
 Connect and tighten the drain pipe (2) to the slat-track can (1).

 Subtask 57-24-11-420-056
 C. Installation of Slat-track Cans 5 and 6
 (Ref. Fig. 401/TASK 57-24-11-991-001-A, 403/TASK 57-24-11-991-003)

 (1)
 Apply a layer of SEALANTS (Material No. 09-005) to the seal faces of the slat-track can (16), the front spar and the bolts (18).

 (2)
 If you replace slat-track can 5 or 6, do these steps: NOTE : It is not necessary to install the bracket assembly on the new

____
 slat-track can.

 (a)
 Install the new slat-track can (16) with the bolts (18). Make sure that you install the bolts (18) in the same positions from which you removed them.

 (b)
 Tighten the bolts (18).

 (3)
 If you install the removed slat-track can 5, do these steps:

 (a)
 Put the bracket assembly (20) in position on the slat-track can (22).

 (b)
 Install the bolts (27) and the nuts (21).
　
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