(3)
 Install the access panel 825AR on the cargo door.

 (4)
 Remove the actuator safety locks and close the FWD cargo door (Ref. TASK 52-30-00-860-002).

 (5)
 Remove the access platform(s).

R 1EFF : 001-049, 053-099, 101-149, 151-199, 1 52-31-21Page B440 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 DOOR - VENT - REMOVAL/INSTALLATION

__________________________________
 TASK 52-31-22-000-001
 Removal of the Vent Door
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 No specific access platform 3.5 m (11 ft. 6 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump 52-31-13-000-001 Removal of the Lining and the Insulation
 **ON A/C 001-049, 053-099, 101-105, 151-199, 201-220,
 52-31-22-991-001 Fig. 401
 **ON A/C 051-052,
 52-31-22-991-001-B Fig. 401A R **ON A/C 106-149, 221-299, 301-399, 401-499,
 52-31-22-991-001-A Fig. 401B
 1EFF : ALL 1 52-31-22Page 401 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 52-31-22-010-050

 A. Get Access
 (1)
 Open the FWD cargo-compartment door (referred to as cargo door) and safety it with the actuator safety locks (Ref. TASK 52-30-00-860-001).

 (2)
 Put the access platform in position below the opened cargo door.

 (3)
 Remove the lining and insulation from the inner side of the cargo door to get access to the vent door mechanism (Ref. TASK 52-31-13-000-001).

 Subtask 52-31-22-865-050
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU DOORS/CARGO 1MJ T12 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
 4. Procedure
_________ R **ON A/C 001-049, 053-099, 101-105, 151-199, 201-220,
 Subtask 52-31-22-020-052
 A. Removal of the Vent Door
 (Ref. Fig. 401/TASK 52-31-22-991-001)

 (1) Remove the nuts (21), the bolts (18) and the washers (19) and disconnect the cover (20) from the brackets of the cargo door.
 1EFF : ALL 1 52-31-22Page 402 1 1 May 01/05 1 1 1CES 1

 Vent Door
 Figure 401/TASK 52-31-22-991-001

R 1EFF : 001-049, 053-099, 101-105, 151-199, 1 52-31-22Page 403 1201-220, 1May 01/05 1 1 1CES 1

 (2) Remove the connection rod (13) from the vent door (10) as follows:
 (a) Remove and discard the cotter pin (17) from the nut (16).
 (b) Remove the nut (16), the washers (15),(12), the bush (14) and the bolt (11) from the actuator arm.
 (c) Disconnect the connection rod (13) from the actuator arm.
 (3) Remove and discard the cotter pins (1) from the nuts (2).
 (4) Remove the nuts (2), the washers (3),(4) and the sleeve (5) from the bolts (8).
 (5) Hold the vent door (10) and remove the washers (3) and the bolts (8) from the hinge arms of the vent door.
 NOTE : Remove the vent door carefully because the springs (6) and (7)____ are installed under load.
 (6) Remove the springs (6),(7) from the spring bolts (21) and the fittings of the vent door frame.
 (7) Remove the vent door (10) and the shim set of washers (4) from the hinge brackets of the vent door frame.
 (8) Remove the sleeve (9) from the upper hinge arm of the vent door (10). 
R  **ON A/C 051-052, 
R  Subtask 52-31-22-020-052-B 
R R  A. Remove the vent door from the FWD cargo door as follows: (Ref. Fig. 401A/TASK 52-31-22-991-001-B) 
R R  (1) Remove the screws (18) and the washers (19) to disconnect the cover (20) from the brackets of the cargo door structure. 
R  (2) Remove the cover assy (20) from the cargo door structure. 
　
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