(e)
Drill the applicable landing and the spacer (123) to a diameter between 3.27 mm (0.1287 in.) and 3.35 mm (0.1318 in.) (Ref. SRM 514411).
(f)
Remove the sharp edges from the applicable landing and the spacer (123).
(g)
Put the spacer (123) in position on the applicable landing and install the rivets (124) (Ref. SRM 514211).
(h)
Install the pressure-relief panel (79) with the bolts (80).
(i)
Do again step (43) and step (44).
(47)
Measure the gap between the D-nose skin and the leading edge of the pressure-relief panel (79). The gap must be between 0.5 mm (0.0196 in.) and 4.5 mm (0.1771 in.).
(48)
Measure the gap at the inboard and outboard edges of the pressure-relief panel (79). The gap must be between 0.5 mm (0.0196 in.) and 5.5 mm (0.2165 in.).
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(49) At the trailing edge of the pressure-relief panel (79), measure:
-the gap between the wing-skin and the edge of the panel. The gap must not be less than 0.5 mm (0.0196 in.).
Subtask 57-41-37-390-053
B. Seal 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.
(Ref. Fig. 805/TASK 57-41-37-991-017)
NOTE : Seal only the gap between the trailing edge of the pressure-relief
____
panels and the wing skin.
(1)
Degrease the area to be filled fully 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 gap 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 gap.
(4)
Use a non metallic scraper to remove unwanted sealant before it cures.
(5)
Let the sealant cure (refer to the manufacturers instructions).
(6)
Make sure the surface of the seal is flush with the surfaces of the pressure-relief panel (79) and the wing skin.
(7)
Remove the masking tape from the area around the seal.
(8)
Remove the bolts (80).
(9)
Remove the pressure-relief panel (79). Use a suction cup if necessary.
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(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 there are bubbles or spaces in the sealant, or the seal does not make a full strip, or the seal is loose do as follows:
-use a non metallic scraper to remove the seal
-repeat steps (1) thru (11).
(12)
Apply talcum powder MISCELLANEOUS (Material No. 19-004) to the mating surface of the seal.
(13) Install the pressure-relief panel (79) with the bolts (80). **ON A/C ALL
5. Close-up
________ Subtask 57-41-37-865-064
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 5CV, 7CV.
Subtask 57-41-37-942-056
B. Removal of Equipment
(1)
Remove the access platform(s).
(2)
Remove the warning notice(s).
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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TASK 57-41-37-350-005
Repair to the Leading Edge Pressure-Relief Panel 522CB(622CB) 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
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