3. Job Set-up
__________
 Subtask 52-31-21-010-061

 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 access panel 825AR from the cargo door.
 Subtask 52-31-21-865-065

 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
R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 52-31-21-860-054
 C. Aircraft Maintenance Configuration
 (1) Move the latching mechanism of the opened cargo door in the locked condition as follows:
 (a)
 Press the roller lever (5) 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.

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 Subtask 52-31-21-860-054-A
 C. Aircraft Maintenance Configuration
 (1) Move the locking mechanism of the opened cargo door in the locked condition as follows:
 (a)
 Press the roller lever (5) 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.

 **ON A/C ALL
 4. Procedure
_________ R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 407/TASK 52-31-21-991-006)
 **ON A/C 051-052,

 (Ref. Fig. 407A/TASK 52-31-21-991-006-A) R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 Subtask 52-31-21-020-054
 A. Removal of the Interlock Mechanism NOTE : Remove the interlock mechanism (262) which includes the roller
____ lever (263), the interlock lever (269) and the spring pin (268) carefully because the spring (273) is under load.
 (1) Disconnect the roller lever (263) from the interlock fitting as follows:
 (a) Remove and discard the pin (258) from the nut (259).
R 1EFF : ALL 1 52-31-21Page 475 1 1 Aug 01/05 1 1 1CES 1

 Interlock Mechanism
 Figure 407/TASK 52-31-21-991-006

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 Interlock Mechanism
 Figure 407A/TASK 52-31-21-991-006-A 
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1  1  Aug 01/05
 1  1
 1CES  1

 (b)
 Remove the nut (259), the washers (260) and the bolt (265) from the interlock fitting.

 (c)
 Hold the roller lever (263) and remove the sleeve (261) from the interlock fitting.

 (d)
 Move the roller end of the roller lever (263) through the cutout of the cargo door structure inboard.

 (2)
 Disconnect the interlock lever (269) from the interlock fitting as follows:

 (a)
 Remove and discard the cotter pin (252), the washer (251) and the pin (271) from the interlock fitting.

 (b)
 Remove and discard the cotter pin (253) from the nut (254).

 (c)
 Remove the nut (254), the washers (255), the sleeve (270) and the bolt (267) from the interlock fitting.

 (3)
 Remove the interlock mechanism from the cargo door as follows:

 (a)
 Pull the interlock mechansim (262) down until the interlock lever

 (296) is free from the interlock fitting.

 (b)
 Remove the interlock mechanism so that the spring pin (268) disengages from the spring sleeve (272).

 (4)
 Remove the spring sleeve (272) from the interlock fitting as follows:

 (a)
 Remove the spring (273) from the spring sleeve (272).

 (b)
 Remove and discard the cotter pin (257) and the washer (256) from the pin (266).

 (c)
 Remove the pin (266) together with the spacers (264) and the spring sleeve (272) from the interlock fitting.

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