(2)
Put the WARNING NOTICE in the flight compartment to tell persons not to operate the main landing-gear (MLG) doors in case not properly secured the door levers.
(3)
Put the ACCESS PLATFORM 2M (6 FT) in position at zone 734 for the left (LH) MLG door and/or zone 744 for the right (RH) MLG door.
(4)
Prevent the damage to the anti-ice heat elements (Ref. TASK 32-00-00-860-001)
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B. Depressurize the Aircraft Hydraulic Systems
(1) Depressurize the Green hydraulic system
(Ref. TASK 29-10-00-864-001)
Subtask 52-81-18-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37 121VU HYDRAULIC/Y HYD/PUMP ENG2/CTL 3701GD Q36 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 52-81-18-010-050
D. Get Access
(1) Open the MLG door of the each side (Ref. TASK 32-12-00-010-001).
Subtask 52-81-18-560-050
E. Preparation of the Replacement of Components
NOTE : The LH side is described, the RH side is similar.
____
(1)
Check the central-ramp teflon strips to the damage evaluation (Ref. ASRM 517710).
(2)
If necessary, replace the cental-strip teflon strip.
WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THE
_______
SPECIAL MATERIAL.
THIS MATERIAL IS DANGEROUS.
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(3)
Clean the interface components and adjacent area with a lint-free cloth moist in CLEANING AGENTS (Material No. 11-010) until contamination is removed. Do not let cleaning agent dry on the surfaces.
(4)
Wet install the fasteners with SEALANTS (Material No. 09-005).
(5)
If necessary, use oversize fasteners.
4. Procedure
_________
(Ref. Fig. 801/TASK 52-81-18-991-001) Subtask 52-81-18-340-050
A. Replacement of the Central-Ramp Teflon Strip
NOTE : The LH side is described, the RH side is similar.
____
NOTE : This procedure is typical for all MLG doors.
____
(1)
Drill and remove the rivets (2) (Ref. ASRM 514211).
(2)
Remove the screws (1) from the central-ramp teflon strip (3).
(3)
Remome the old central-ramp teflon-strip (3) (Ref. ASRM 528114).
(4)
Remove the old sealant and adhesive from the interface parts with a SCRAPER - NON METALLIC.
(5)
Install the new central-ramp teflon-strip (3) in the ramp blister (Ref. ASRM 528114).
(6)
Install the screws (1) in the central-ramp teflon strip (3).
5. Close-up
________ Subtask 52-81-18-410-050
A. Close Access
(1) Close the MLG doors (Ref. TASK 32-12-00-410-001).
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Central-Ramp Teflon Strip
Figure 801/TASK 52-81-18-991-001
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1 1 Aug 01/04
1 1
1CES 1
Subtask 52-81-18-865-051
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GA, 4GG, 3GG, 1GG, 2GG, 2GA, 1701GK, 1702GK
Subtask 52-81-18-942-050
C. Removal of Equipment
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the warning notice(s).
(3)
Remove the access platform(s).
(4) 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM DOORS 艙門8(106)
