-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.)
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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)
