4. Procedure
_________ Subtask 52-13-31-020-051
A. Removal of the Stop Fittings
(Ref. Fig. 402/TASK 52-13-31-991-002)
(1)
Remove the old sealant with CLEANING AGENTS (Material No. 11-004), MISCELLANEOUS (Material No. 19-003) and a non metallic scraper from the stop fitting (10).
(2)
Loosen the nuts (11) and remove them.
(3)
Remove the screws (12).
(4) Remove the top fitting (10). Subtask 52-13-31-020-054
B. Removal of the Buffer
(Ref. Fig. 402/TASK 52-13-31-991-002)
(1)
Remove the old sealant with CLEANING AGENTS (Material No. 11-004), MISCELLANEOUS (Material No. 19-003) and a non metallic scraper from the buffer.
(2)
Loosen the nuts (22) and remove them.
(3)
Remove the screws (21).
(4)
Remove the buffer (20).
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Stop Fittings Figure 402/TASK 52-13-31-991-002
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Subtask 52-13-31-020-055
C. Removal of the Guide Fittings
(1)
Removal of the upper guide fitting
(Ref. Fig. 403/TASK 52-13-31-991-005)
(a)
Remove the old sealant with CLEANING AGENTS (Material No. 11-004), MISCELLANEOUS (Material No. 19-003) and a non metallic scraper around the guide fitting (31).
(b)
Loosen the screws (32) and remove them.
(c)
Remove the washers (33), the fitting (31) and the shim (34).
(2)
Removal of the upper guide fitting
(Ref. Fig. 403/TASK 52-13-31-991-005)
(a)
Remove the old sealant with CLEANING AGENTS (Material No. 11-004), MISCELLANEOUS (Material No. 19-003) and a non metallic scraper around the guide fitting (41).
(b)
Loosen the screws (42) and remove them.
(c)
Remove the washers (43), the fitting (41) and the shim (44).
(3)
Removal of the lower fittings
(Ref. Fig. 404/TASK 52-13-31-991-006)
(a)
Remove the old sealant with CLEANING AGENTS (Material No. 11-004), MISCELLANEOUS (Material No. 19-003) and a non metallic scraper around the guide fittings (51).
(b)
Loosen the screw (52) and remove it.
(c) Remove the washer (53), the fitting (51) and the shim (54). Subtask 52-13-31-020-056
D. Removal of the Rollers
(Ref. Fig. 405/TASK 52-13-31-991-007)
(1)
Remove the old sealant with CLEANING AGENTS (Material No. 11-004), MISCELLANEOUS (Material No. 19-003) and a non metallic scraper around the roller (60).
(2)
Loosen the nuts (61) and remove them.
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Upper Guide Fittings Figure 403/TASK 52-13-31-991-005
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Lower Guide Fittings Figure 404/TASK 52-13-31-991-006
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Roller Figure 405/TASK 52-13-31-991-007
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(3)
Remove the bolts (62).
(4)
Disassemble the roller (60) as follows:
(a)
Remove the cotter pin (71) and discard it.
(b)
Loosen the nut (72) and remove it.
(c)
Remove the washer (73), the bolt (74) and the washer (75).
(d)
Remove the bushing (76), the roller (70) and the bushing (77). Subtask 52-13-31-020-057
E. Removal of the Door Stop Fittings
(Ref. Fig. 406/TASK 52-13-31-991-008)
(1)
Remove the old sealant with CLEANING AGENTS (Material No. 11-004), MISCELLANEOUS (Material No. 19-003) and a non metallic scraper around the door stop fitting (85).
(2)
Loosen the nut (82) and remove it.
(3)
Remove the lock plate (83) and discard it.
(4)
Remove the screw (86).
(5)
Loosen and remove the screws (84).
(6)
Remove the nuts (81). Subtask 52-13-31-020-058
F. Removal of the Roller
(Ref. Fig. 407/TASK 52-13-31-991-009)
(1)
Loosen the nuts (91) and remove them.
(2)
Remove the bolts (92).
(3) 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
