Installation of the Door Stay Mechanism

TASK 52-22-12-400-002-A
Installation of the Door Stay Mechanism

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

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.04EAC2)	Primer Polyurethane Paint_- Corrosion Inhibiting Structure
(Material No.04JME4)	Top Coat Polyurethane_- Grey Internal Structure

C. Referenced Information

REFERENCE	DESIGNATION
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
Door Stay Mechanism ** ON A/C NOT FOR ALL
Door Stay Mechanism ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 52-22-12-860-055-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.

Subtask 52-22-12-865-054-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

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

4. Procedure
Subtask 52-22-12-420-051-A ** ON A/C NOT FOR ALL

A. Installation of the Door Stay Mechanism

Door Stay Mechanism ** ON A/C NOT FOR ALL

(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Install the release rod (21) on the support arm as follows:
(a) Put the release rod (21) into the related bore of the support arm.
(b) Put the handle (24) over the top-end of the release rod (21).
(c) Put the washers (25) in position between the handle (24) and the support arm.
(d) Install the screws (22) and the washers (23) at the handle (24).
(e) Apply a layer of Primer Polyurethane Paint_- Corrosion Inhibiting Structure (Material No.04EAC2) and Top Coat Polyurethane_- Grey Internal Structure (Material No.04JME4) to the screws (22).
(4) Install the release assy (28) on the support arm as follows:
(a) Put the release assy (28) in its installation position and attach it temporarily with the bolts (29).
(b) Install the washers (27) and the nuts (26) on the bolts (29).
(c) Apply a layer of Primer Polyurethane Paint_- Corrosion Inhibiting Structure (Material No.04EAC2) and Top Coat Polyurethane_- Grey Internal Structure (Material No.04JME4) to the screws (29) and the nuts (26).
(5) Install the lock assy (31) on the support arm as follows:
(a) Put the lock assy (31) together with the washers (32) into their installation position and attach them temporarily with the bolts (30).
(b) Install the washers (33) and the nuts (34) on the bolts (30).
(c) Apply a layer of Primer Polyurethane Paint_- Corrosion Inhibiting Structure (Material No.04EAC2) and Top Coat Polyurethane_- Grey Internal Structure (Material No.04JME4) to the screws (30) and nuts (34).

5. Close-up
Subtask 52-22-12-865-055-A ** ON A/C NOT FOR ALL

A. Remove the safety clip(s) and the tag(s) and close 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 52-22-12-410-051-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(3) Close the emergency exit door (Ref. AMM TASK 52-22-00-410-001).
(4) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.02 06:27:40 UTC