4. Procedure
_________
 Subtask 52-13-12-020-053

 A. Removal of the Door Support Arm
 (Ref. Fig. 401/TASK 52-13-12-991-001)

 (1)
 Remove the screws (12) and the washers (13) from the supports. Do not remove the bonding leads (11).

 (2)
 Remove the support arm (1) as follows:

 (a)
 Remove and discard the cotter pins (2).

 (b)
 Release the lockwasher (7).

 (c)
 Remove the nuts (3) and the washers (4).

 (d)
 Hold the support arm (1).

R (e) Remove the bolts (8) and (15), the lockwasher (7) then the bushes R (5) and (16).
 (f) Discard the lockwasher (7).
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R  Support Arm on the Door Frame Side Figure 401/TASK 52-13-12-991-001
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 (g) Remove the support arm (1). NOTE : If necessary, remove the components from the support arm.
____
 (3)
 Remove the bush (9), the adjustment washer (10), then the bush (6). Subtask 52-13-12-020-054

 B. Removal of the Door Buffer and the Door Unlocking Pushbutton Switch (Ref. Fig. 402/TASK 52-13-12-991-002)
 (1)
 Remove the nuts (27) and the screws (25).

 (2)
 Remove the door buffer (26).

 (3)
 Remove the nuts (24), the washers (22) and the screws (21).

 (4)
 Remove the fitting (20).

 (5)
 Remove the pushbutton switch (23) from the support arm. Subtask 52-13-12-020-055

 C. Removal of the Door Stay Mechanism
 (Ref. Fig. 403/TASK 52-13-12-991-003)

 (1)
 Remove and discard the four cotter pins (30).

 (2)
 Remove the four nuts (31) and the washers (32) from the pins (34).

 (3)
 Remove the door stay mechanism (33).

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 Door Buffer and the Door Unlocking Handle
 Figure 402/TASK 52-13-12-991-002
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 Door Stay Mechanism
 Figure 403/TASK 52-13-12-991-003
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 TASK 52-13-12-400-001
 Installation of the Support Arm, Door Buffer, Door Pushbutton Switch and Door Stay Mechanism
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific Torque Wrench : range 0.00 to 1.20 m.daN
 (0.00 to 9.00 lbf.ft) No specific Torque Wrench : range 0.20 to 3.60 m.daN
 (2.00 to 26.00 lbf.ft)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 04-004 USA MIL-PRF-23827 TYPE I
 SYNTH.ESTER BASED GREASE HIGH PRESSURE
 (Ref. 20-31-00) Material No. 06-008 AI TNA 007-10006
 LUBRICANT (Ref. 20-31-00)
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 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION  |IPC-CSN
 -------------------------------------------------------------------------------
2 cotter pin 52-13-04 04B-290 2 cotter pin 52-13-04 04D-290
R  2 cotter pin 52-13-04 04E-290 7 lockwasher 52-13-04 04B-370 7 lockwasher 52-13-04 04D-370
R  7 lockwasher 52-13-04 04E-370 30 cotter pin 52-13-04 06 -010 51 bolt 52-13-04 05B-110 51 bolt 52-13-04 05H-110 57 cotter pin 52-13-04 05B-040 57 cotter pin 52-13-04 05H-040 61 washers 52-13-04 05B-100 61 washers 52-13-04 05H-100 62 washers 52-13-04 05B-150 62 washers 52-13-04 05H-150
 D. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
20-28-00-912-004  Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not include the tanks)-
　
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