(b)
 Tighten the nut (13) and safety it with the new cotter pin (12).

 (c)
 Put the connection rod (23) in position and connect the fork-end to the twin lever (19) with the bolt (18), the washers (17) and the nut (21).

 (d) Tighten the nut (21) and safety it with the new cotter pin (22). **ON A/C 001-049, 051-099, 101-105, 151-199, 201-220,
 Subtask 52-31-21-820-050
 E. Adjustment Procedure
 (1)
 Adjust the skin offset of the vent door (Ref. TASK 52-31-11-820-003).

 (2)
 Make sure that the length of the link assy (44) is correctly adjusted (Ref. TASK 52-71-12-400-002).

R **ON A/C 106-149, 221-299, 301-399, 401-499,
 Subtask 52-31-21-820-050-A
 E. Adjustment Procedure
 (1)
 Adjust the skin offset of the vent door (Ref. TASK 52-31-11-820-003).

 (2)
 Make sure that the length of the link assy (88) is correctly adjusted (Ref. TASK 52-71-12-400-002).

 **ON A/C ALL
 Subtask 52-31-21-720-051
 F. Test Procedure
 (1) Make sure that the proximity switch 30WV operates satisfactorily (Ref. TASK 52-31-00-720-001).
 1EFF : ALL 1 52-31-21Page 447 1 1 Aug 01/05 1 1 1CES 1

 5. Close-up
________ Subtask 52-31-21-410-052
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Apply STORAGE PRESERVATION (Material No. 15-005) or STORAGE PRESERVATION (Material No. 15-006) to all the components of the vent door mechanism and to the adjacent cargo door structure.

 (3)
 Install the removed parts of the lining and insulation on the cargo door (Ref. TASK 52-31-13-400-001).

 (4)
 Install the vent door cover on the inner side of the cargo door.

 (5) Install the access panel 825AR on the cargo door. Subtask 52-31-21-865-058
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 1MJ, 3801GX, 3802GX, 3803GX.

 Subtask 52-31-21-410-053
 C. Close Access
 (1)
 Remove the access platform(s).

 (2)
 Remove the actuator safety locks and close the FWD cargo door (Ref. TASK 52-30-00-860-002).

 1EFF : ALL 1 52-31-21Page 448 1 1 May 01/05R 1 1 1CES 1

R **ON A/C 051-052,
R TASK 52-31-21-000-004 R Removal of the Safety Shaft Assembly R 1. Reason for the Job
__________________
R To replace the safety shaft and the related safety cams, the drift pin R levers, the vent door lever and the link lever. R 2. Job Set-up Information
______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------R REFERENCE QTY DESIGNATION
R -------------------------------------------------------------------------------
R No specific circuit breaker(s) safety clip(s)
R No specific access platform 3.5 m (11 ft. 6 in.)

R B. Referenced Information

R -------------------------------------------------------------------------------R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R 52-30-00-860-001 R R 52-31-21-991-004
R 3. Job Set-up
__________ R Subtask 52-31-21-010-057 R A. Get Access
Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump Fig. 405
R (1) Open the FWD cargo-compartment door (referred to as cargo door) and R safety it with the actuator safety locks (Ref. TASK 52-30-00-860-R 001).
R (2) Put the access platform in position at the cargo door.
R (3) Remove the access panel 825AR from the cargo door.
R 1EFF : 051-052, 1 52-31-21Page 449 1 1 May 01/05 1 1 1CES 1

R  (4) Remove the plastic plugs from the lateral cutouts of the cargo door 
R  to remove the safety shaft. 
R  Subtask 52-31-21-865-059 
R  B. Open, safety and tag this(these) circuit breaker(s): 
R  -------------------------------------------------------------------------------
R  PANEL DESIGNATION IDENT. LOCATION 
R  -------------------------------------------------------------------------------
R  121VU HYDRAULIC/HYD POWER/Y 3803GX N30 
R  122VU DOORS/CARGO 1MJ T12 
R  123VU Y HYD/ELEC/PUMP 3802GX AB06 
R  123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03 
R  4. Procedure_________ 
R  Subtask 52-31-21-020-052 
　
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