Removal of the Interlock Mechanism
TASK 52-32-21-000-006-A
Removal of the Interlock Mechanism
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 52-32-21-010-056-A
Subtask 52-32-21-020-056-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:28:01 UTC
Removal of the Interlock 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 | 1 | ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 826AR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
Subtask 52-32-21-010-056-A
A. Get Access
(1) Open the AFT cargo-compartment door (referred to as cargo door) and safety it with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the opened cargo door.
(3) Remove the access panel 826AR from the cargo door.
Subtask 52-32-21-865-065-A (1) Open the AFT cargo-compartment door (referred to as cargo door) and safety it with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the opened cargo door.
(3) Remove the access panel 826AR from the cargo door.
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 52-32-21-860-056-B ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N31 |
| ** ON A/C ALL | |||
| 122VU | DOORS/CARGO | 1MJ | T12 |
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |
C. Aircraft Maintenance Configuration
(1) Move the latching mechanism of the opened cargo door in the locked condition as follows:
(a) Push the roller lever (263) 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.
Subtask 52-32-21-860-056-C ** ON A/C NOT FOR ALL (1) Move the latching mechanism of the opened cargo door in the locked condition as follows:
(a) Push the roller lever (263) 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.
C. Aircraft Maintenance Configuration
(1) Move the latching mechanism of the opened cargo door in the locked condition as follows:
(a) Push the interlock lever (18) 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.
4. Procedure(1) Move the latching mechanism of the opened cargo door in the locked condition as follows:
(a) Push the interlock lever (18) 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.
Subtask 52-32-21-020-056-B ** ON A/C NOT FOR ALL
A. Removal of the Interlock Mechanism
(a) Remove and discard the pin (258) from the nut (259).
(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 (262) from the cargo door as follows:
(a) Pull the interlock mechanism down until the interlock lever (296) is free from the interlock fitting.
(b) Remove the interlock mechanism (262) 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.
Subtask 52-32-21-020-056-C ** ON A/C NOT FOR ALL 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).
(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 (262) from the cargo door as follows:
(a) Pull the interlock mechanism down until the interlock lever (296) is free from the interlock fitting.
(b) Remove the interlock mechanism (262) 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.
A. Removal of the Interlock Mechanism
(1) Disconnect the interlock lever (18) from the interlock fitting as follows:
(a) Remove and discard the cotter pin (9).
(b) Remove the nut (8), the washer (7), the bolt (25), the washer (26) and the bush (27).
(c) Remove and discard the cotter pin (10) from the pin (20).
(d) Remove the washer (16) and the pin (20) from the interlock fitting.
(e) Release the retaining ring (6) from the spring bolt (28) and remove the washer (5).
(f) Release the tension springs (4) and (29) and remove the spring bolt (28).
(g) Release the retaining ring (17) from the spring bolt (19).
(h) Release the tension springs (4) and (29) and remove the spring bolt (19).
(2) Pull the interlock mechanism down until the interlock lever (18) is free from the interlock fitting.
(1) Disconnect the interlock lever (18) from the interlock fitting as follows:
(a) Remove and discard the cotter pin (9).
(b) Remove the nut (8), the washer (7), the bolt (25), the washer (26) and the bush (27).
(c) Remove and discard the cotter pin (10) from the pin (20).
(d) Remove the washer (16) and the pin (20) from the interlock fitting.
(e) Release the retaining ring (6) from the spring bolt (28) and remove the washer (5).
(f) Release the tension springs (4) and (29) and remove the spring bolt (28).
(g) Release the retaining ring (17) from the spring bolt (19).
(h) Release the tension springs (4) and (29) and remove the spring bolt (19).
(2) Pull the interlock mechanism down until the interlock lever (18) is free from the interlock fitting.
Interlock Mechanism