(c)
 Move the shaft lever (10) from the output of the gear box (27).

 (3)
 Remove the gear box (27) together with the lever (35) from the cargo door structure as follows:

 (a)
 Support the gear box (27) and remove the screws (24) and the washers (25) from longeron 4.

 (b)
 Move the output shaft down through the flange bearing (21) and the structural bearings at longeron 4.

 (c)
 Remove the gear box (27) together with the laminated shim (26) and the lever (35) from the longeron 4.

 (d)
 Remove the laminated shim (26) from the output shaft of the gear box (27).

 (e)
 Remove the lever (35) and the thrust plate (28) from the drive shaft of the gear box (27).

 (4)
 If necessary, remove the nuts (23), the washers (22), the bolts (20) and the flange bearing (21) from the support bracket of the cargo door structure.

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R  **ON A/C 106-149, 221-299, 301-399, 401-499,
 Subtask 52-32-21-020-052-A
R  A. Removal of the Vent Door Linkage **ON A/C 106-149, 221-299, 301-399,
R  (Ref. Fig. 404B/TASK 52-32-21-991-003-B) **ON A/C 401-499, 
R R  (Ref. Fig. 404D/TASK 52-32-21-991-003-D) **ON A/C 106-149, 221-299, 301-399, 401-499,
 (1) Remove the connection rod (16) as follows: (a) Remove and discard the cotter pin (5) from the nut (4). (b) Remove the nut (4), the washers (3) and the bolt (2). (c) Remove the connection rod (16) from the lever of the vent door (1). (d) Remove and discard the cotter pin (10). (e) Remove the nut (9), the washers (7), and the bolt (6). (f) Remove the connection rod (16) from the drive lever (8). (2) Remove the connection rod (23) as follows: (a) Remove and discard the cotter pin (12) from the nut (13). (b) Remove the nut (13), the washers (14) and the bolt (15). (c) Disconnect the connection rod (23) from the lever (11). (d) Remove and discard the cotter pin (22) from the nut (21). (e) Remove the nut (21), the washers (17) and the bolt (18) from the twin lever (19). 

R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 52-32-21Page 441 1 1 Aug 01/05 1 1 1CES 1

 (f) Remove the connection rod (23) from the twin lever (19).
 Subtask 52-32-21-020-053-A
 B. Removal of the Cover Assembly of the Vent Door Mechanism 
R  **ON A/C 106-149, 221-299, 301-399,
 (Ref. Fig. 405B/TASK 52-32-21-991-004-B) 
R  **ON A/C 401-499, 
R  (Ref. Fig. 405D/TASK 52-32-21-991-004-D) 
R  **ON A/C 106-149, 221-299, 301-399, 401-499,
 (1) Make sure the fork-end of the drive rod (1) is clear of the shaft lever (3).
 (2) Remove the nut (5), the spacer (4) and the tapered pin (2).
 (3) Remove the shaft lever (3) from the shaft (16).
 (4) Remove and discard the cotter pin (10).
 (5) Remove the nut (9), the washer (8), the bolt (14) and the washer (13).
 (6) Disconnnect the fork end of the connection link (12) from the shaft lever (15).
 (7) Remove the nut (6), the spacer (7) and the tapered pin (11).
 (8) Remove the bolts (19), the washers (18) and the cover assembly (17) from the beam 4. 

R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 52-32-21Page 442 1 1 Aug 01/05 1 1 1CES 1

R  Cover Assembly of the Vent Door Mechanism 
R  Figure 405D/TASK 52-32-21-991-004-D 
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1  1  Aug 01/05
 1  1
 1CES  1

 **ON A/C ALL
 TASK 52-32-21-400-003
 Installation of the Vent Door 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  access platform 3.5 m (11 ft. 6 in.)
 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. 09-013  USA MIL-PRF-81733 TYPE I CLASS A CORROSION INHIBITING BRUSH CONSISTENCY (Ref. 20-31-00)
 Material No. 09-016  USA MIL-PRF-81733D TYPE II CLASS B CORROSION INHIBITING FILLET CONSISTENCY (Ref. 20-31-00)
　
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