(2)
 Remove the lining and insulation to get access to the inner side of the cargo door structure (Ref. TASK 52-31-13-000-001).

 (3)
 Remove the screws and the washers and disconnect the cover assy from the brackets of the cargo door structure.

 4. Procedure
_________ R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 52-31-11-820-057
 A. Adjustent of the Skin Offset
 **ON A/C 001-049, 053-099, 101-105, 151-199, 201-220,

 (Ref. Fig. 509/TASK 52-31-11-991-013) R **ON A/C 106-149, 221-299, 301-399, 401-499,
 (Ref. Fig. 509B/TASK 52-31-11-991-013-A)
 1EFF : ALL 1 52-31-11Page 553 1 1 Aug 01/05 1 1 1CES 1

 Adjustment of the Vent Door
 Figure 509/TASK 52-31-11-991-013

 1EFF : 001-049, 053-099, 101-105, 151-199, 1 52-31-11Page 554 1201-220, 1May 01/05 1 1 1CES 1

R  Adjustment of the Vent Door 
R  Figure 509A/TASK 52-31-11-991-013-B
 1EFF :  051-052,  1  52-31-11 Page 555 
1  1  May 01/05
 1  1
 1CES  1

 Adjustment of the Vent Door Figure 509B/TASK 52-31-11-991-013-A
R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 52-31-11Page 556 1 1 Aug 01/05 1 1 1CES 1R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,

 (1)
 Remove the vent door stop from the opened vent door as follows:

 (a)
 Release the tab washers (187) from the jam nuts (186).

 (b)
 Loosen the jam nuts (186) to release the adjustment bolts (185).

 (c)
 Remove the adjustment bolts (185) with the jam nuts (186) and the tab washers (187) from the hinge arms (188).

 (d)
 Remove and discard the tab washers (187).

 (2)
 Close the vent door as follows:

 (a)
 Press the roller lever of the interlock mechanism outboard to release the blockage of the latching shaft.

 (b)
 Move the door handle down to the locked position and push it into the recess of the door structure.

 (3)
 Measure the skin offset "A" between the external contour of the vent door and the FWD cargo door.

 -Make sure that the skin offset "A" which must be out of wind is between 0.5 mm (0.0196 in.) and 1.5 mm (0.0590 in.)

 (4)
 If the skin offset "A" is not correct, adjust the length of the connection rod (181) as follows:

 (a)
 Cut and remove the lockwire from the lock devices (182).

 (b)
 Loosen the jam nuts (183) to release the turnbuckle (184).

 (c)
 Turn the turnbuckle (184) until the skin offset correctly adjusted.

 (d)
 Tighten the jam nuts (183) and safety them with MISCELLANEOUS (Material No. 19-010) on the lock devices (182).

 (5)
 Adjust the clearance between the vent door stop and the stop of the vent door frame as follows:

 (a) Pull the door handle out of the recess until it is in the 65 degree position to open the vent door.
R 1EFF : 001-049, 053-099, 101-149, 151-199, 1 52-31-11Page 557 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 1EFF : ALL 1 52-31-11Page 558 1 1 May 01/05 1 1 1CES 1 1EFF : 051-052, 1 52-31-11Page 559 1 1 May 01/05 1 1 1CES 1R **ON A/C ALL

 (b) Install the adjustment bolts (185) with the jam nuts (186) and new tab washers (187) in the hinge arms (188). - Make sure that the tab washers (187) are correctly attached on the hinge arms (188).
 (c) Close the vent door again (Refer to Para. A.2).
 (d) Turn the adjustment bolts (185) until the clearance is between 0.2 mm (0.0078 in.) and 0.6 mm (0.0236 in.).
 (e) Tighten the jam nuts (186) and Safety them with the tab washers (187).
 (6) Push up the door handle until it is in the UNLOCKED position. position. 
R  **ON A/C 051-052, 
R  Subtask 52-31-11-820-057-A 
R R  A. Adjustent of the Skin Offset (Ref. Fig. 509A/TASK 52-31-11-991-013-B) 
R  (1) Remove the vent door stop from the opened vent door as follows: 
R  (a) Release the tab washers (72) from the jam nuts (73). 
R  (b) Loosen the jam nuts (73) to release the adjustment bolts (74). 
R R  (c) Remove the adjustment bolts (74) with the jam nuts (73) and the tab washers (72)from the hinge arms (71). 
R  (d) Remove and discard the tab washers (72). 
　
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