Emergency-Operation Cylinder
52-13-12-991-001 Fig. 401
52-13-12-991-002 Fig. 402
52-13-12-991-003 Fig. 403
52-13-12-991-004 Fig. 404
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3. Job Set-up
__________ Subtask 52-13-12-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the access platform is in position.
(2)
Make sure that the special precautions are obeyed (Ref. TASK 52-10-00-860-001).
Subtask 52-13-12-220-056
B. Preparation for Installation
(1)
Clean the component interface and/or the adjacent area.
(2)
Do an inspection of the component interface and/or the adjacent area.
(3)
Make sure that the parts retained from the removed component are clean and in the correct condition. (Ref. TASK 52-13-12-220-001)
4. Procedure
_________ Subtask 52-13-12-420-055
A. Installation of the Buffer and the Door-Locking Mechanism
(Ref. Fig. 402/TASK 52-13-12-991-002)
(1)
Put the buffer (26) in position.
(2)
Install the screws (25) and the nuts (27) and tighten them.
(3)
Install the pushbutton switch assembly (23) in the support arm (1).
(4)
Put the fitting (20) in position.
(5)
Install the screws (21) and the washers (22) and tighten them.
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Subtask 52-13-12-820-051
B. Adjustment of the Buffer
(Ref. Fig. 404/TASK 52-13-12-991-004)
(1)
Fully open the door against the fuselage.
(2)
Make sure that the door stay mechanism locks the door in the open position.
(3)
Make sure that clearance R1 between the stop (65) and the fuselage is 1 +0.5 -0.5 mm (0.0393 +0.0196 -0.0196 in.).
R (4) If clearance R1 is not correct, do the adjustment below:
(a) Push the button of the door stay mechanism and move the door away from the fuselage.
(b) Remove and discard the cotter pin (57). R (c) Remove the nut (58), the washer (59) and the spherical cup (60).
(d)
Remove the bolt (51), the washer (52), the buffer (65) and the spherical cup (64).
(e)
Remove the guide bush (63), the washers (53) and the washers (62).
(f)
Remove the guide bush (56), the washers (55) and the washers (61).
(g)
Adjust the adjustable washers (55) and (62) to get the correct clearance "R1".
(h)
Install the washers (55) and (61) and the guide bush (56).
(i)
Install the washers (53) and (62) and the guide bush (63).
(j)
Install the spherical cup (64), the buffer (65), the washer (52) and the bolt (51).
(k)
Install the spherical cup (60), the washer (59) and the nut (58).
(l)
Fully open the door against the fuselage (door locked) and make sure that clearance "R1" is correct.
(m)
If necessary, do the adjustment procedure again.
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(n) Tighten the nut (58) and safety with cotter pin (57).
Subtask 52-13-12-220-053
C. Check of the Load of the Door-Locking Mechanism
(1) Check that the load necessary to unlock the door when open is not R more than 6 daN (13.4885 lbf) (Ref. TASK 52-10-00-720-001).
Subtask 52-13-12-420-056
D. Installation of the Door Stay Mechanism
(Ref. Fig. 403/TASK 52-13-12-991-003)
(1)
Put the mechanism (33) in position on the pins (34).
(2)
Install the nuts (31) with the washers (32). TORQUE the nuts to between 0.30 and 0.35 m.daN (26.54 and 30.97 lbf.in).
(3) Install the new cotter pin (30).
Subtask 52-13-12-420-051
E. Installation of the Support Arm
(Ref. Fig. 401/TASK 52-13-12-991-001)
(1)
Apply LUBRICANTS (Material No. 06-008) on the surface of the ball joints (14) that moves.
(2)
Put the door support arm (1) in position at the attach fittings. Hold it in position.
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