Removal of the Release Shaft Assembly
TASK 52-22-22-000-004-A
Removal of the Release Shaft Assembly
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 52-22-22-010-057-A ** ON A/C NOT FOR ALL
Subtask 52-22-22-020-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:27:43 UTC
Removal of the Release Shaft Assembly
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 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-23-47-000-012-A | Removal of the Door Linings of the LH FWD Emergency Exit Door, zone 231 |
| TASK 25-23-47-000-013-A | Removal of the Door Linings of the RH FWD Emergency Exit Door at zone 251 or RH AFT at zone 252 or LH AFT at zone 232. |
| TASK 25-23-47-000-802-A | Removal of the Door Linings of the Emergency Exit, zones 251/252 |
| TASK 52-22-00-010-001-A | Opening of the Emergency Exit Doors from the Passenger Compartment |
| TASK 52-22-00-860-003-A | Special Precaution before Maintenance on the Door Damper and Emergency Operation Cylinder |
Subtask 52-22-22-010-057-A ** ON A/C NOT FOR ALL
A. Get Access
(1) Open the applicable emergency exit door (referred to as door) as required (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the partly opened door.
(3) Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. AMM TASK 52-22-00-860-003).
Subtask 52-22-22-865-059-A ** ON A/C NOT FOR ALL (1) Open the applicable emergency exit door (referred to as door) as required (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the partly opened door.
(3) Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. AMM TASK 52-22-00-860-003).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 52-22-22-010-053-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | EIS/SLIDES/ARM AND WARN/FLT | 15WN | P11 |
| 121VU | EIS/SLIDES/ARM AND WARN/GND | 13WN | P10 |
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/PAX | 48WV | P05 |
C. Get Access
(1) Remove the door linings from the door as required (Ref. AMM TASK 25-23-47-000-012) or (Ref. AMM TASK 25-23-47-000-013).
(2) Carefully disengage the VELCRO tapes and remove the insulation mat from the inner side of the door as required.
Subtask 52-22-22-010-053-B ** ON A/C NOT FOR ALL (1) Remove the door linings from the door as required (Ref. AMM TASK 25-23-47-000-012) or (Ref. AMM TASK 25-23-47-000-013).
(2) Carefully disengage the VELCRO tapes and remove the insulation mat from the inner side of the door as required.
C. Get Access
(1) Remove the door linings from the door as required (Ref. AMM TASK 25-23-47-000-802).
(2) Carefully disengage the VELCRO tapes and remove the insulation mat from the inner side of the door as required.
4. Procedure(1) Remove the door linings from the door as required (Ref. AMM TASK 25-23-47-000-802).
(2) Carefully disengage the VELCRO tapes and remove the insulation mat from the inner side of the door as required.
Subtask 52-22-22-020-053-A ** ON A/C NOT FOR ALL
A. Removal of the Release Shaft Assembly
(2) Remove the connection rod (128) from the operation lever (122) as follows:
(a) Remove and discard the cotter pin (131) from the nut (132).
(b) Remove the nut (132), the washers (125), the bush (129) and the bolt (126).
(c) Remove the eye-end of the connection rod (128) from the fork-end of the operation lever (122).
(d) If required, remove the bush (127) from the operation lever (122).
(3) Remove the operation lever (122) from the release shaft (117) as follows:
(a) Remove the nuts (124), the washers (123) and the bolts (130) from the operation lever (122).
(b) Disassemble the operation lever (122), the circlip (121) and the washers (120) from the release shaft (117).
(4) Remove the release lever (105) from the release shaft (117) as follows:
(a) Remove the nut (106), the washers (104) and the bolt (103) from the release lever (105).
(b) Disassemble the release lever (105) and the washers (107) from the release shaft (117).
(5) Remove the release shaft (117) from the structure as follows:
(a) Remove the nut (111), the washers (110) and the bolt (113) from the lever (112).
(b) Hold the lever (112) and remove the release shaft (117) from the structure.
(6) Remove the bearing brackets (108) and (118) from the structure as follows:
(a) Remove the bearings (109) and (119) from the bearing brackets (108) and (109).
(b) Remove the nuts (114) and (133), the washers (115) and (134) and the bolts (116) and (135) from the bearing brackets (108) and (118).
(c) Remove the bearing brackets (108) and (118) from the structure.
WARNING:
BE CAREFUL WHEN YOU REMOVE OR INSTALL THE SPRING. THE TENSION IN THE SPRING CAN CAUSE INJURY TO PERSONS.
(1) Carefully disconnect the spring element (102) from the lever (112) and the structure bracket (101). (2) Remove the connection rod (128) from the operation lever (122) as follows:
(a) Remove and discard the cotter pin (131) from the nut (132).
(b) Remove the nut (132), the washers (125), the bush (129) and the bolt (126).
(c) Remove the eye-end of the connection rod (128) from the fork-end of the operation lever (122).
(d) If required, remove the bush (127) from the operation lever (122).
(3) Remove the operation lever (122) from the release shaft (117) as follows:
(a) Remove the nuts (124), the washers (123) and the bolts (130) from the operation lever (122).
(b) Disassemble the operation lever (122), the circlip (121) and the washers (120) from the release shaft (117).
(4) Remove the release lever (105) from the release shaft (117) as follows:
(a) Remove the nut (106), the washers (104) and the bolt (103) from the release lever (105).
(b) Disassemble the release lever (105) and the washers (107) from the release shaft (117).
(5) Remove the release shaft (117) from the structure as follows:
(a) Remove the nut (111), the washers (110) and the bolt (113) from the lever (112).
(b) Hold the lever (112) and remove the release shaft (117) from the structure.
(6) Remove the bearing brackets (108) and (118) from the structure as follows:
(a) Remove the bearings (109) and (119) from the bearing brackets (108) and (109).
(b) Remove the nuts (114) and (133), the washers (115) and (134) and the bolts (116) and (135) from the bearing brackets (108) and (118).
(c) Remove the bearing brackets (108) and (118) from the structure.
Release Shaft Assembly