(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).
(46)
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.).
(47)
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.).
(48)
At the trailing edge of the pressure-relief panel (79), measure the gap between:
-
the wing-skin and the edge of the panel (that is parallel to the panel leading edge), the gap must be between 0.5 mm (0.0196 in.) and 5.5 mm (0.2165 in.)
-
the wing-skin and the edge of the panel cut-outs (that are not parallel to the panel leading edge), the gap must be between 0.5 mm (0.0196 in.) and 7.0 mm (0.2755 in.).
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Subtask 57-41-37-350-054-A
A. Repair of the Leading Edge Pressure-Relief Panel 522AB(622AB) After it has Operated
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)
Remove the bolts (80).
(2)
Carefully remove the pressure-relief panel 522AB(622AB) (79).
(3)
When you remove the pressure-relief panel (79), a part of the landing
(73) will fall. Make a note of the position of this and keep it landing for later assembly.
NOTE : The two parts of the landings (71), (77) and (88) are
____
connected with lanyards.
(4)
Remove the nuts (70) and the bolts (87) (Ref. SRM 514211).
(5)
Remove the landing (88).
(6)
Remove the nuts (72) and the bolts (85) (Ref. SRM 514211).
(7)
Remove the landing (71).
(8)
Remove the nuts (76) and the bolts (75) (Ref. SRM 514211).
(9)
Remove the landing (77).
(10)
Remove bolts (74) and (84) (Ref. SRM 514211).
(11)
Remove the landing (73).
(12)
Remove and discard the rivets (78) (Ref. SRM 514211).
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(13)
Remove and discard the forward angle (82).
(14)
Remove and discard the rivets (83) (Ref. SRM 514211).
(15)
Remove and discard the forward angle (86).
(16)
Clean these items with a lint-free cloth made moist with CLEANING AGENTS (Material No. 11-026):
-
the forward sub-spar (81)
-
the landings (71), (73), (77) and (88)
-
the landing (71), (73), (77) and (88) interfaces and the adjacent areas.
(17)
Examine the two parts of the landings (71), (73), (77) and (88) for damage. Discard those that are damaged.
(18)
Assemble the landings (71), (73), (77) and (88) as follows:
(a)
Put the two parts of the applicable landing together.
(b)
Install the spacers (122) and the washers (121).
(c)
Install the shear rivets (120) (Ref. SRM 514211).
(d)
Make sure that the two parts of the landings can move on the spacers (122).
(19)
Examine the pressure-relief panel (79) for damage. Discard it if it is damaged.
(20)
Put the new plate nuts (130) and the new spacers (131) in position on the new forward angle (82) (Ref. SRM 574118).
(21)
Install the rivets (132) (Ref. SRM 514211).
(22)
Apply SEALANTS (Material No. 09-001) to the mating faces of the forward angle (82) and the forward sub-spar (81).
(23)
Put the forward angle (82) in position on the forward sub-spar (81). Install the rivets (78) (Ref. SRM 514211).
(24)
Put the new plate nuts (130) and the new spacers (131) in position on the new forward angle (86) (Ref. SRM 574118).
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