Adjustment of the Handle Flap Figure 504B/TASK 52-31-11-991-010-A
R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 52-31-11Page 526 1 1 Aug 01/05 1 1 1CES 1

 Adjustment of the Latching Mechanism
 Figure 505/TASK 52-31-11-991-011

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R  **ON A/C 106-149, 221-299, 301-399, 401-499,
 (Ref. Fig. 505B/TASK 52-31-11-991-011-A) 
R  **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (1) Move the latching units of the open cargo door to the locked condition 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.
 (2) Make sure that the door handle is in line with the door structure during this adjustment procedure. 
R R R  (3) Install the rigging pin (144) into the door frame and the shaft lever bolt (135). This makes sure that the upper dead center is correctly adjusted. 
R R  NOTE : The rigging pin 98D52307525200 (144) is part of the ADJUSTMENT____ TOOL - CARGO DOORS (98D52307525000). 
R 
R R  (4) If you cannot install the rigging pin (144) into the shaft lever bolt (135) , adjust the length of the connection rod (131) as follows:
 (a) If necessary, cut and remove the lockwire from the safety devices (133).
 (b) Loosen the upper and lower jam nuts (132).
R  (c) Turn the turnbuckle (134) until you can install the rigging pin (144) into the shaft lever bolt (135). 
R R  (d) Tighten the jam nuts (132) and safety them with lockwire, MISCELLANEOUS (Material No. 19-010) on the safety devices (133). 

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R  Adjustment of the Locking Unit 
R  Figure 505A/TASK 52-31-11-991-011-B 
R 1EFF :  051-052,  1  52-31-11 Page 529 
1  1  May 01/05
 1  1
 1CES  1

 Adjustment of the Latching Handle Figure 505B/TASK 52-31-11-991-011-A
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 (5) Adjust the length of the link rod (139) as follows to make sure that the lower dead center is correct: 
R R  (a) If necessary, cut and remove the lockwire from the safety devices (137).
 (b) Loosen the upper and lower jam nuts (136).
 (c) Turn the turnbuckle (138) until the back of the bellcrank (140) touches the stop bolt (143). 
R R  (d) Make sure that you can install the rigging pin (142) into the door frame and the bellcrank bolt (141). 
R R  NOTE : The rigging pin 98D52307525100 (142) is part of the____ ADJUSTMENT TOOL - CARGO DOORS (98D52307525000).
 (e) If not, turn the turnbuckle (138) until you can install the rigging pin (142) easily. 
R R  (f) Tighten the jam nuts (136) and safety them with lockwire, MISCELLANEOUS (Material No. 19-010) on the safety devices (133).
 (g) Remove the rigging pins (142) and (144).
 **ON A/C 051-052,
 Subtask 52-31-11-820-052-A
 A. Adjustment of the Locking Handle (Ref. Fig. 503A/TASK 52-31-11-991-009-B)
 (1) Examine the horizontal position of the locking handle as follows:
 (a) Press the roller lever of the interlock mechanism outboard to release the blockage of the locking shaft.
 (b) Turn the locking handle up to the LOCKED position and push it into the recess of the handle flap. 
R R  (c) Measure the clearance between the locking handle and the recess of the handle flap. 
R  NOTE : The clearance must be between 1.0 mm (0.0393 in.) and 3.0____ mm (0.1181 in.).

R R  (2) If the clearance between the locking handle and the recess of the handle flap is not correct, adjust the setscrew (15):
 (a) Push the handle flap in and pull the locking handle out of the recess.
 (b) Turn the locking handle down to the UNLOCKED position.
 (c) Bend the tab washer (17) to release the locking nut (16).
 (d) Remove the lock nut (16), the tab washer (17) and the setscrew (15) from the bracket (18).
 (e) Make sure that the setscrew (15) is in a good and clean condition.
　
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