R **ON A/C 051-052,

R  Subtask 52-31-21-420-065-B 
R  B. Installation of the Drift Pin Assembly 
R  (Ref. Fig. 409A/TASK 52-31-21-991-008-B) 
R  (1) Install the bellcrank unit at the cargo door structure as follows: 
R  NOTE : The bellcrank unit includes the journal bearing (13), the____ 
R  bellcrank lever (16) and the linkage (9). 
R  (a) Put the journal bearing (13) in position on the cargo door 
R  structure and attach it with the screws (11) and the washers 
R  (12). 
R  (b) If removed, install the bushes (17),(27) in the fork ends of the 
R  bellcrank lever (16). 
R  (c) Put the linkage (9) in position on the bellcrank lever (16) and 
R  attach it with the bolt (14), the washers (15) and the nut (19). 
R  (d) Put the bellcrank lever (16) (together with the linkage (9)) in 
R  position on the journal bearing (13) and attach it with the 
R  washer (21) and the nut (22). 
R  (e) Put the eye end (18) in position on the bellcrank lever (16) and 
R  attach it with the bolt (28), the washers (26) and the nut (25). 
R  (f) Tighten the nuts (19),(22),(25). 
R  (g) Safety the nut (19) with the new cotter pin (20). 
R  (h) Safety the nut (22) with the new cotter pin (23). 
R  (i) Safety the nut (25) with the new cotter pin (24). 
R  (2) Install the drift pin (3) to the edge member as follows: 
R  (a) If removed, install the bush (4) in the fork end of the drift pin 
R  (3). 
R  (b) Move the drift pin (3) into the edge member bearing. 
R  (c) Put the linkage (9) on the drift pin (3) and attach it with the 
R  bolt (1), the washers (5),(8) and the nut (6). 

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R  (d) Tighten the nut (6) and safety it with the new cotter pin (7) 
R  when the drift pin mechanism is correctly adjusted. 
R  Subtask 52-31-21-420-069-B 
R  C. Installation of the Teleflex Controls 
R  (Ref. Fig. 410A/TASK 52-31-21-991-011-A) 
R  NOTE : The teleflex control includes the eye ends (18),(37), the upper____ 
R  ball joint (67), the lower ball joint (40) and the ball bearing 
R  control (52). 
R  (1) Install the ball bearing control (52) on the cargo door as follows: 
R  (a) Put the grommet (55) in position on the ball bearing control 
R  (52). 
R  (b) Move the upper end of the control cable (52) through the cutout 
R  of the longeron 3 and the frame hole at FR26A. 
R  (c) Install the lock nuts (50),(51) and the washer (49) on the lower 
R  end of the ball bearing control (52). 
R  (d) Move the lower end of the control cable (52) through the frame 
R  hole of the longeron 4. 
R  (e) Adjust the lock nuts (50) and (51) until the distance between 
R  longeron 4 and the recess of the ball bearing control (52) is 
R  95.0 mm (3.7401 in.). 
R  (f) Install the washer (48) and the lock nuts (46),(47) on the lower 
R  end of the ball bearing control (52). 
R  (g) Tighten the lock nuts (46) and (47) with your hand. 
R  NOTE : Torque and safety these lock nuts when the drift pin____ 
R  mechanism is correctly adjusted. 
R  (h) Install the lock nuts (56),(57) and the washer (58) on the upper 
R  end of the ball bearing control (52). 
R  (i) Move the upper end of the ball bearing control (52) through the 
R  frame hole at FR27. 
R  (j) Adjust the lock nuts (56) and (57) until the distance between 
R  FR27 and the recess of the ball bearing control (52) is 95.0 mm 
R  (3.7401 in.). 

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R  (k) Install the washer (59) and the lock nuts (60),(61) on the upper 
R  end of the ball bearing control (52). 
R  (l) Tighten the lock nuts (60) and (61) with your hand. 
R  NOTE : Torque and safety these lock nuts when the drift pin____ 
R  mechanism is correctly adjusted. 
R  (2) If necessary, install the eye ends (18),(37) at the ball joints 
R  (67),(40) as follows: 
R  (a) Install the lock nut (68), the new tab washer (69) and the eye 
　
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