(2)
Make sure that the warning notices are in position in the cockpit to tell persons not to operate the flaps or slats.
(3) Make sure that the safety barriers are in position. Subtask 57-31-21-860-051
B. Aircraft Maintenance Configuration
(1)
Make sure that the access platform is in position below the applicable wing-tip, zone 534 (634).
(2)
Make sure that the applicable access panel has been removed:
-
for the left wing-tip 543AB
-
for the right wing-tip 634AB.
Subtask 57-31-21-865-051
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU LIGHTING/EXT LT/NAV1/AND LOGO/LT 1LA T03 122VU LIGHTING/EXT LT/NAV2/AND LOGO/LT 2LA T02 122VU LIGHTING/WING/STROBE 10LV V05
4. Procedure
_________
(Ref. Fig. 401/TASK 57-31-21-991-001)
Subtask 57-31-21-420-051
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 MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-004) to clean the interfaces of the wing-tip and the wing structure.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(4)
Apply a thin layer of SPECIAL MATERIALS (Material No. 05-020) on the interface of the wing tip (2).
Subtask 57-31-21-420-050
B. Installation of the Wing-tip Structure
(1)
Put the wing tip (2) near the wing then put the supply cable through the hole for the grommet (3).
(2)
Put the wing tip (2) in position and hold it on supports. Install and tighten the bolts (5).
(3)
Make sure that the dimension X is 1.2 mm (0.05 in.) +/- 0.5 mm (0.02 in.).
(4)
Apply SEALANTS (Material No. 09-016) to the interface of the wing/wing tip (2).
(5)
Install the grommet (3).
(6)
Remove the blanking caps from the supply cable and the connector (4).
(7)
Connect the supply cable to the connector (4).
(8)
Clean the electrical connector of the supply cable with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-004).
(9)
Apply a continuous layer of STORAGE PRESERVATION (Material No. 15-008) to the electrical connector of the supply cable.
Subtask 57-31-21-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1LA, 2LA, 10LV.
Subtask 57-31-21-710-050
D. Test
(1)
Do an operational test of the navigational lights (Ref. TASK 33-41-00-710-001).
(2)
Do an operational test of the anti-collision/strobe lighting (Ref. TASK 33-48-00-710-002).
5. Close-up
________
Subtask 57-31-21-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel.
(3)
Remove the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) from the flap/slat control lever.
(4)
Remove the safety barriers.
(5)
Remove the access platform(s).
(6)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
FENCE - WING TIP - REMOVAL/INSTALLATION
_______________________________________
TASK 57-31-22-000-001
Removal of the Wing-Tip Fence
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
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