(3)
Loosen the bolts (2),(9) to change the position of the upper roller fitting (1) and the pivot fitting (8).
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Adjustment of the Hatch Position
Figure 501/TASK 52-21-11-991-006
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(4)
Put the upper roller fitting (1) and the pivot fitting (8) in the correct position and tighten the bolts (2),(9).
(5)
Install the hatch (3) (Ref. TASK 52-21-11-400-001) and make sure that the skin offset and the lateral gap C are correct.
Subtask 52-21-11-820-052
B. Adjustment of the Gaps
(1)
Measure the gaps B through D between the outer skin of the hatch and the fuselage. The subsequent tolerances are permitted:
-
the upper gap B must be between 4.5 mm (0.1771 in.) and 2.5 mm (0.0984 in.),
-
the lateral gap C must be between 4.5 mm (0.1771 in.) and 1.5 mm (0.0590 in.),
-
the lower gap D must be between 4.0 mm (0.1574 in.) and 2.0 mm (0.0787 in.).
(2)
Adjust the upper gap B and the lower gap D as follows:
(a)
Remove the hatch (3) (Ref. TASK 52-21-11-000-001).
(b)
Remove the nuts (4), the screws (6) and the hook bracket (7) from the bottom of the hatch (3).
(c)
Remove the old sealant from the hook bracket (7) and the hatch bottom with a wooden scraper.
(d)
Apply SEALANTS (Material No. 09-013) to the mating surfaces of the shims (5), the hook bracket (7) and the hatch bottom.
(e)
Put the hook bracket (7) together with the shims (5) to the hatch bottom and install the screws (6) and the nuts (4).
(f)
Install the hatch (3) (Ref. TASK 52-21-11-400-001) and make sure that the gaps B and D are correct.
(3)
Adjust the lateral gap C as follows:
(a)
Remove the hatch (3) (Ref. TASK 52-21-11-000-001).
(b)
Loosen the bolts (9) and move the pivot fitting (8) laterally.
(c)
Tighten the bolts (9).
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(d) Install the hatch (3) (Ref. TASK 52-21-11-400-001) and make sure that the lateral gap C, the lateral clearance E and the skin offset are correct.
Subtask 52-21-11-820-053
C. Adjustment of the Lateral Clearance
(1) Measure the lateral clearance E between the fuselage frame and the roller of the lateral guide fitting (11).
NOTE : The clearance E must be between 0.3 mm (0.0118 in.) and 0.7 mm
____
(0.0275 in.).
NOTE : Make sure that the lateral clearance E is the same on the two
____
sides of the hatch.
(2)
Remove the hatch (3) (Ref. TASK 52-21-11-000-001).
(3)
Remove the nuts (12), the screws (10) and the lateral guide fitting
(11) together with the shims (13).
(4)
Remove the old sealant with a wooden scraper from the fuselage frame and the removed components.
(5)
Remove or add the shims (13) as necessary.
(6)
Install the lateral guide fitting (11) together with the shims (13) and attach them with the screws (10) and the nuts (12).
(7)
Install the hatch (3) (Ref. TASK 52-21-11-400-001) and make sure that the clearance E is correct.
5. Close-up
________ Subtask 52-21-11-410-057
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
If removed, install the insulation packs in the work area.
(3)
Install the hatch lining on the hatch structure (Ref. TASK 25-23-47-400-001).
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(4) Make sure that the applicable hatch is correctly installed(Ref. TASK
52-21-11-400-001). 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM DOORS 舱门3(38)
