Installation of the Support Arm of the Emergency Exit Door

TASK 52-22-12-400-001-A
Installation of the Support Arm of the Emergency Exit Door

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

ZONE: 833
ZONE: 834
ZONE: 835
ZONE: 843
ZONE: 844
ZONE: 845

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.03HBD9)	Synthetic Ester base Grease-General Purpose Low Temp -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
833	EMERGENCY EXITS
834	EMERGENCY EXITS
835	MID PASSENGER/CREW DOOR
843	EMERGENCY EXITS
844	EMERGENCY EXITS
845	MID PASSENGER/CREW DOOR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
18	COTTER PIN	AIPC 52-22-02-06-260
9	COTTER PIN	AIPC 52-22-02-06-260
18	COTTER PIN	AIPC 52-22-84-30-280
9	COTTER PIN	AIPC 52-22-84-30-280

E. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
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 52-22-00-614-002-A	Charging of the Door Damper and Emergency Operation Cylinders at the Emergency Exit Doors
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 52-22-11-400-001-A	Installation of the Emergency Exit Doors
TASK 52-22-14-400-001-A	Installation of the Door Damper and Emergency Operation Cylinder
Suspension at Door Frame Side ** ON A/C NOT FOR ALL
Suspension at Door Frame Side ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 52-22-12-860-054-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.

Subtask 52-22-12-865-051-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 52-22-12-910-050-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(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) Examine the spacers (6) and (15) and the bushings (2) and (5) for surface damage.
(4) Lubricate the bolts (3) and (13) with Synthetic Ester base Grease-General Purpose Low Temp - (Material No.03HBD9) .

Subtask 52-22-12-420-050-C ** ON A/C NOT FOR ALL

B. Installation of the Support Arm

Suspension at Door Frame Side ** ON A/C NOT FOR ALL

(1) Install the spacers (6) and (15) and the bushings (2) and (5) to the related hinge fittings.
(2) Put the support arm (1) into the position at the attachment fittings of the fuselage frame and attach it as follows:
(a) Put the bolt (3) with the washer (4) into the upper hinge fitting.
(b) Assemble the stop (7) and the nut (8) on the bolt (3).
(c) Tighten the nut (8) and safety it with the new AIPC 52-22-02-06-260 COTTER PIN (9) or the new AIPC 52-22-84-30-280 COTTER PIN (9).
(3) Install the lower bolt (13) as follows:
(a) Put the bolt (13) together with the lock washer (14) into the lower hinge fitting.
(b) Assemble the washers (16) and (19) and the nut (17) on the bolt (13).
(c) Tighten the nut (17) and safety it with the new AIPC 52-22-02-06-260 COTTER PIN (18) or the new AIPC 52-22-84-30-280 COTTER PIN (18).
(4) Make sure that the support arm (1) moves easily.
(5) Connect the bonding strap (12) with the screw (10) and the washer (11) to the support arm (1) (Ref. AMM TASK 20-28-00-912-802).
(6) Install the emergency exit door (Ref. AMM TASK 52-22-11-400-001).
(7) Install the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-14-400-001).

5. Close-up
Subtask 52-22-12-865-052-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 52-22-12-410-050-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) Make sure that the door damper and emergency operation cylinder is correctly pressurized (Ref. AMM TASK 52-22-00-614-002).
(3) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(4) Close the emergency exit door (Ref. AMM TASK 52-22-00-410-001).
(5) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 01:39:18 UTC