Installation of the Support-Arm Hinge Fittings

TASK 52-22-31-400-005-A
Installation of the Support-Arm Hinge Fittings

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

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	1	SCRAPER - PLASTIC
No specific	1	SCRAPER - WOODEN

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AAB1)	Polysulfide Sealant-General Purpose Fillet -
(Material No.06AAC1)	Polysulfide Sealant-General Purpose Interfay -

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-23-47-000-004-A	Removal of the Door Frame Linings of the LH FWD Emergency Exit Door, zone 231
TASK 25-23-47-000-009-A	Removal of the Door Frame Linings of the Right Forward Emergency Exit Door from Zone 232
TASK 25-23-47-000-010-A	Removal of the Door Frame Linings of the Left/Right Aft Emergency Exit Doors from Zones 251/252
TASK 25-23-47-400-010-A	Installation of the Door Frame Linings of the Left/Right Aft Emergency Exit Doors in Zones 251/252
TASK 52-22-00-010-001-A	Opening of the Emergency Exit Doors from the Passenger Compartment
TASK 52-22-00-410-001-A	Closing 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
TASK 52-22-00-860-004-A	Special Precaution after Maintenance on the Door Damper and Emergency Operation Cylinder
TASK 52-22-12-400-001-A	Installation of the Support Arm of the Emergency Exit Door
Upper and Lower Support Arm Fitting ** ON A/C NOT FOR ALL
Upper and Lower Support Arm Fitting ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 52-22-31-860-054-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the applicable emergency exit door (referred to as door) is opened as required (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. AMM TASK 52-22-00-860-003).
(3) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the partly opened door.
(4) Make sure that the applicable door frame lining is removed as required (Ref. AMM TASK 25-23-47-000-004), (Ref. AMM TASK 25-23-47-000-009) or (Ref. AMM TASK 25-23-47-000-010) (referred to as door).
(5) Make sure that the insulation blankets are removed as required.

Subtask 52-22-31-860-054-B ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the applicable emergency exit door (referred to as door) is opened as required (Ref. AMM TASK 52-22-00-010-001).
(2) Make sure that the special precaution on the door damper and emergency operation cylinder is completed (Ref. AMM TASK 52-22-00-860-003).
(3) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the partly opened door.
(4) Make sure that the applicable door frame lining is removed as required (Ref. AMM TASK 25-23-47-000-010).
(5) Make sure that the insulation blankets are removed as required.

4. Procedure
Subtask 52-22-31-910-054-A ** ON A/C NOT FOR ALL

A. Preparation for Installation

Upper and Lower Support Arm Fitting ** ON A/C NOT FOR ALL

(1) Remove the old sealant from the door frame and the support-arm hinge fittings (73) and (77).

NOTE: Use a SCRAPER - PLASTIC or SCRAPER - WOODEN.

(2) Clean the component interfaces and the adjacent area.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Apply a layer of Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) to the mating surface of the bolts (74) and (78) and the nuts (71) and (75).

Subtask 52-22-31-420-054-A ** ON A/C NOT FOR ALL

B. Installation of the Upper and Lower Support-Arm Hinge Fittings

Upper and Lower Support Arm Fitting ** ON A/C NOT FOR ALL

(1) Install the upper support-arm hinge fitting (77) as follows:
(a) Put the hinge fitting (77) and the shim (76) in position at the door frame.
(b) Install the bolts (78) and the nuts (75).
(2) Apply Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) around the upper support arm fitting (84) and the lower support arm
(3) Install the lower support-arm hinge fitting (73) as follows:
(a) Put the hinge fitting (73) and the shim (72) in position at the door frame.
(b) Install the bolts (74) and the nuts (71).
(4) Apply Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) around the upper and lower hinge fittings (73) and (74).
(5) Install the support arm (Ref. AMM TASK 52-22-12-400-001).

5. Close-up
Subtask 52-22-31-410-054-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the removed insulation blankets on the door frame and attach the with the VELCRO-tapes.
(3) Install the door frame lining as required (Ref. AMM TASK 25-23-47-000-004), (Ref. AMM TASK 25-23-47-000-009) or (Ref. AMM TASK 25-23-47-000-010).
(4) Do the special precaution for the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(5) Close the applicable door (Ref. AMM TASK 52-22-00-410-001).
(6) Remove the access platform(s).

Subtask 52-22-31-410-054-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the removed insulation blankets on the door frame and attach them with the VELCRO-tapes.
(3) Install the door frame lining as required (Ref. AMM TASK 25-23-47-400-010).
(4) Do the special precaution for the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(5) Close the applicable door (Ref. AMM TASK 52-22-00-410-001).
(6) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 04:11:48 UTC