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?-the clearance between the wing-skin and the edges of the panels. The clearance must be not less than 0.5 mm (0.0196 in.). ?Subtask 57-41-37-390-050 ?B. Seal Installation ?(Ref. Fig. 805/TASK 57-41-37-991-017)
?NOTE : The procedure that follows can be done at the subsequent servicing ____ ?interval.
?NOTE : Seal only the clearance between the trailing edge of the ____ ?pressure-relief panels and the wing skin.
?(1) ?Fully degrease the area to be filled with a MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-026).
?(2) ?Apply masking tape around the edges of the area to be filled.
?(3) ?Use a spatula or extrusion gun to insert SEALANTS (Material No. 09-002B) or SEALANTS (Material No. 09-016) into the applicable prepared area.
?(4) ?Use a non-metallic scraper to remove unwanted sealant before it cures.
?(5) ?Let the sealant cure (refer to the manufacturers instructions).
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?(6) ?Make sure the surface of the seal is flush with the surfaces of the applicable pressure-relief panel (9) and/or (30) and the wing skin.
?(7) ?Remove the masking tape from the area around the seal.
?(8) ?Remove the applicable bolts (10) and/or (28).
?(9) ?Remove the applicable pressure-relief panel (9) and/or (30). Use a suction cup if necessary.
?(10) ?Examine the seal to make sure that:
?- there is a full strip of sealant along the trailing edge of the panel opening
?- there are no bubbles or spaces in the sealant
?-no parts of the seal are loose.
?(11) ?If the sealant does not make a full strip, or there are bubbles or spaces, or the seal is loose:
?(a) ?Use a non-metallic scraper to remove the seal.
?(b) ?Do again steps (1) thru (11).
?(12) ?Apply talcum powder MISCELLANEOUS (Material No. 19-004) to the mating surface of the seal.
?(13) ?Install the applicable pressure-relief panel (9) and/or (30) with the applicable bolts (10) and/or (28).
?**ON A/C ALL ?5. Close-up ________ Subtask 57-41-37-865-058 ?A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5CV, 7CV. ?Subtask 57-41-37-942-053 ?B. Removal of Equipment ?(1) ?Remove the access platform(s).
?(2) ?Remove the warning notice(s).
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?(3) Remove the ground support and maintenance equipment, the special and
?standard tools and all other items.
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?TASK 57-41-37-350-002
?Repair to the Leading Edge Pressure-Relief Panel 521CB(621CB) After it has Operated ?WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU _______ START A TASK ON OR NEAR: ?- THE FLIGHT CONTROLS
?- THE FLIGHT CONTROL SURFACES
?- THE LANDING GEAR AND THE RELATED DOORS
?-COMPONENTS THAT MOVE. ?1. Reason for the Job __________________ ?Self Explanatory ?2. Job Set-up Information ______________________ ?A. Fixtures, Tools, Test and Support Equipment ?-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION ------------------------------------------------------------------------------- No specific circuit breaker(s) safety clip(s) No specific cutting tool No specific extrusion gun No specific lint-free cloth No specific masking tape No specific non metallic scraper No specific non-metallic scraper No specific spatula No specific suction cup No specific warning notices No specific access platform 2.5 m (8 ft. 2 in.) ?1EFF : ALL 1 57-41-37Page 829 1 1 May 01/04R 1 1 1CES 1
?B. Consumable Materials
?-------------------------------------------------------------------------------REFERENCE DESIGNATION ------------------------------------------------------------------------------- Material No. 05-064 GB ABP1-4053 ?RELEASE AGENT (Ref. 20-31-00) ?Material No. 09-001 USA MIL-S-8802 TYPE I CLASS A ?FUEL TANK SEALANTPOLYSULFIDE (Ref. 20-31-00) ?Material No. 09-002B F ASNA 0163 ?FUEL TANK SEALANTPOLYSULFIDE (Ref. 20-31-00)
