3. Job Set-up
__________ Subtask 52-22-22-010-054
A. Get Access
(1)
Open the applicable emergency exit door (referred to as door) as required (Ref. TASK 52-22-00-010-001).
(2)
Make sure that the access platform is in position below the partly opened door.
(3)
Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. TASK 52-22-00-860-003).
Subtask 52-22-22-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU EIS/SLIDES/ARM AND WARN/FLT 15WN P11 121VU EIS/SLIDES/ARM AND WARN/GND 13WN P10 121VU EIS/SDAC1 AND 2/DOOR/DET/PAX 48WV P05
Subtask 52-22-22-010-050
C. Get Access
(1)
Remove the door linings as required (Ref. TASK 25-23-47-000-012) (Ref. TASK 25-23-47-000-013) from the door.
(2)
Carefully disengage the VELCRO tapes and remove the insulation mat from the inner side of the door as required.
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4. Procedure
_________ Subtask 52-22-22-020-050
A. Removal of the Arm/Disarm Unit
(Ref. Fig. 401/TASK 52-22-22-991-001)
(1)
Remove the push rod (1) from the arm/disarm unit (11) as follows:
(a)
Remove and discard the cotter pin (4) from the nut (5).
(b)
Remove the nut (5), the washers (6) and (2), the spacer (3) and the bolt (35) from the fork-lever of the arm/disarm unit (11).
(2)
Remove the spring rod assy (40) from the arm/disarm unit (11) as follows:
WARNING : BE CAREFUL WHEN YOU REMOVE OR INSTALL THE SPRING. THE
_______ TENSION IN THE SPRING CAN CAUSE INJURY TO PERSONS.
(a)
Remove and discard the cotter pin (41) from the pin (39).
(b)
Remove the washer (42) and the pin (39) and disconnect the spring rod assy (40) from the lever of the arm/disarm unit (11).
(3) Remove the spring unit (33) from the structure bracket (28) as follows:
WARNING : BE CAREFUL WHEN YOU REMOVE OR INSTALL THE SPRING. THE
_______ TENSION IN THE SPRING CAN CAUSE INJURY TO PERSONS.
(a)
Remove and discard the cotter pin (31) from the nut (30).
(b)
Remove the nut (30), the washers (27) and (29), the bush (32) and the bolt (26).
(c)
Remove the lower eye-end of the spring unit (33) from the fork-end structure bracket (28).
(d)
If necessary, remove the bush (34) from the structure bracket (28).
(4) Remove the link rod (15) from the intermediate shaft lever (21) as follows:
(a) Remove and discard the cotter pin (24) from the nut (25).
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Arm/Disarm Unit
Figure 401/TASK 52-22-22-991-001
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1 1 May 01/04
1 1
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(b)
Remove the nut (25), the washers (23), the bush (19) and the bolt (22).
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