Removal of the Intermediate Shaft Assembly

TASK 52-22-22-000-003-A
Removal of the Intermediate 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

B. Referenced Information

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
Intermediate Shaft

3. Job Set-up
Subtask 52-22-22-010-056-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 52-22-22-865-056-A ** ON A/C NOT FOR ALL

B. Open, safety and tag this(these) circuit breaker(s):

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

Subtask 52-22-22-010-052-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Remove the door linings as required (Ref. AMM TASK 25-23-47-000-012) (Ref. AMM TASK 25-23-47-000-013) from the door.
(2) Carefully disengage the VELCRO tapes and remove the insulation mat from the inner side of the door as required.

Subtask 52-22-22-010-052-B ** ON A/C NOT FOR ALL

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
Subtask 52-22-22-020-052-A ** ON A/C NOT FOR ALL

A. Removal of the Intermediate Shaft Assembly

Intermediate Shaft ** ON A/C NOT FOR ALL

(1) Remove the connection rod (76) from the intermediate shaft (71) as follwos:
(a) Remove and discard the cotter pin (72) from the nut (73).
(b) Remove the nut (73), the washers (74), the bush (75) and the bolt (78).
(c) Remove the upper eye-end of the connection rod (76) from the shaft lever (145).
(d) If required, remove the bush (77) from the shaft lever (145).
(2) Remove the link rod (88) from the fork lever (83) as follows:
(a) Remove and discard the cotter pin (90) from the nut (91).
(b) Remove the nut (91), the washers (84), the bush (89) and the bolt (85).
(c) Remove the eye-end of the link rod (88) from the fork lever (83).
(d) If required, remove the bush (89) from the fork lever (83).
(3) Remove the intermediate shaft assemblly (71) from the door structure as follows:
(a) Remove the nut (82), the washers (81) and the bolt (86) from the fork lever (83).
(b) Disassemble the fork lever (83) from the end of the intermediate shaft (141)
(c) Remove the circlip (80) and the washers (79) from the intermediate shaft (141).
(d) Remove the nuts (148), the washers (147) and the bolts (149) from the actuation lever (146).
(e) Remove the nut (144), the washers (143) and the bolt (142) from the shaft lever (145).
(f) Remove the nuts (96), the washers (97) and the bolts (99) from the bearing bracket (98).
(g) Move the intermediate shaft (141) rearward and remove the bearing bracket (98) and the bearing (100) from the intermediate shaft (141).
(h) If required, remove the shaft lever (145) and the actuation shaft (146) from the intermediate shaft (141).
(i) Remove the intermediate shaft (141) from the structure.
(4) If required, remove the nuts (92), the washers (93), the bolts (95) and the stop fitting (94) from the structure.

[Rev.10 from 2021] 2026.04.02 06:27:43 UTC