Installation of the Passenger Seats

TASK 25-21-41-400-001-A
Installation of the Passenger Seats

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

WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THIS EQUIPMENT. THIS EQUIPMENT IS HEAVY (MORE THAN 12 KG (26.5 lb)) AND CAN CAUSE INJURY AND/OR DAMAGE.

ZONE: 200

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	WARNING NOTICE(S)
No specific	3	WRENCH - GROOVE NUT
No specific	1	WRENCH 5/16 IN - SOCKET
No specific	Torque wrench: range to between 26 and 24 lbf.in (0.29 and 0.27 m.daN )
No specific	Torque wrench: range to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
No specific	Torque wrench: range to between 39.80 and 31.00 lbf.in (0.45 and 0.35 m.daN )
No specific	Torque wrench: range to between 40 and 31 lbf.in (0.45 and 0.35 m.daN )
No specific	Torque wrench: range to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
No specific	Torque wrench: range to between 70 and 50 lbf.in (0.79 and 0.57 m.daN )
No specific	Torque wrench: range to between 90 and 65 lbf.in (1.02 and 0.73 m.daN )
No specific	Torque wrench: range to between 88 and 72 lbf.in (0.99 and 0.81 m.daN )
No specific	Torque wrench: range to between 136.4 and 111.6 lbf.in (1.54 and 1.26 m.daN )
No specific	Torque wrench: range to between 5.50 and 4.50 m.N (48.67 and 39.82 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03GBB1)	Synthetic Oil base Grease-General Purpose Clay Thickened -
(Material No.04SAB2)	Varnish Polyurethane-- Marking Structure
No specific	CABLE TIES
No specific	Tie wrap

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

D. Referenced Information

REFERENCE	DESIGNATION
TASK 11-00-00-400-007-A	Installation of the ESSO (Scotchcal Labels)
TASK 23-33-00-710-005-A	Operational Test of the Integrated In-Flight Entertainment (IFE) System
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-21-00-710-002-A	Operational Test of the In-Seat Power-Supply System (PED Power Supply)
TASK 25-28-41-400-001-A	Installation of the Textile Floor Covering
TASK 33-51-00-710-009-A	Check of all the Cabin Lights and Signs for Correct Illumination and Correct Installation
Front Stud - Installation Limits ** ON A/C NOT FOR ALL
Passenger Seats ** ON A/C NOT FOR ALL
Passenger Seats B/C ** ON A/C NOT FOR ALL
Passenger Seats - Business Class ** ON A/C NOT FOR ALL
Passenger Seat ** ON A/C NOT FOR ALL
Passenger Seats ** ON A/C NOT FOR ALL
Passenger Seats - Tourist Class ** ON A/C NOT FOR ALL
Passenger Seats ** ON A/C NOT FOR ALL
Passenger Seats ** ON A/C NOT FOR ALL
Passenger Seats ** ON A/C NOT FOR ALL
Passenger Seats ** ON A/C NOT FOR ALL
Passenger Seats ** ON A/C NOT FOR ALL
Passenger Seats ** ON A/C NOT FOR ALL
Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL
Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL
Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL
Passenger Seats - Electrical Connections (WL) ** ON A/C NOT FOR ALL
Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-21-41-860-051-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized (Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that:

The folding tables are in the folded position
The seat backrests are in the vertical position
If folding legrests are installed, they are in the extended position.

Subtask 25-21-41-860-053-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure that:

In the cockpit, on the overhead panel 25VU (SIGNS), the EMER EXIT LT switch is set to the OFF position
On the forward attendant panel (FAP) 120RH, the LIGHT EMER pushbutton switch is set to the OFF position.

(2) Make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the EMER EXIT LT switch.

Subtask 25-21-41-865-104-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	LIGHTING/EMER LT/CABIN	2WL	H06
49VU	LIGHTING/EMER LT/CABIN	1WL	H05
** ON A/C NOT FOR ALL
49VU	LIGHTING/EMER LT/CABIN	2WL	H04
49VU	LIGHTING/EMER LT/CABIN	1WL	H03
** ON A/C NOT FOR ALL
2000VU	PASSENGER READING LIGHT	6LW	G06
2000VU	PASSENGER READING LIGHT	5LW	G05
2000VU	PASSENGER READING LIGHT	4LW	G04
2000VU	PASSENGER READING LIGHT	1LW	G01
** ON A/C NOT FOR ALL
2000VU	PASSENGER READING LIGHT	2LW	G02
** ON A/C NOT FOR ALL
2000VU	PASSENGER READING LIGHT	3LW	G03
** ON A/C NOT FOR ALL
2000VU	IFE-IFEC-AC	22MK	C04
** ON A/C NOT FOR ALL
2000VU	IFE-VCC-AC	21MH	C02
2000VU	IFE-VCC-DC	20MH	C01
2000VU	IFE/SEAT-POWER-PAX SYS	20MK	D08
** ON A/C NOT FOR ALL
2000VU	INSEAT POWER-MCU 2	59HP	B08
2000VU	INSEAT POWER-MCU 1	58HP	B05
** ON A/C NOT FOR ALL
2000VU	IFE-IFEC-AC	22MK	C06
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CONTROL-VCC	21MH	C02
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CONTROL-MAIN	20MH	C01
** ON A/C NOT FOR ALL
2000VU	SEAT POWER-MCU 2	59HP	B08
2000VU	SEAT POWER-MCU 1	58HP	B05
** ON A/C NOT FOR ALL
2000VU	PASSENGER/READING/LIGHT	2LW	G02
** ON A/C NOT FOR ALL
2000VU	PES-MUSIC - CTL	21MK	D01
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CONTROL-VCC-DS/C	21MH	C02
2000VU	PES-MUSIC-CABIN AFT-RH	25MK	D05
2000VU	PES-MUSIC-CABIN AFT-LH	22MK	D04
2000VU	PES-MUSIC-CABIN FWD-RH	24MK	D03
2000VU	PES-MUSIC-CABIN FWD-LH	23MK	D02
** ON A/C NOT FOR ALL
2000VU	PES-MUSIC-CTL	21MK	D01

4. Procedure
Subtask 25-21-41-560-052-A

A. Preparation of the Replacement Component
(1) Remove the life vests from the removed seat.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Install serviceable life vests in the new seat.

Subtask 25-21-41-560-050-A ** ON A/C NOT FOR ALL

B. Preparation for Installation
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that all placards of the retained/new components are in the correct position and in good condition.
(4) If necessary, install new placards (Ref. AMM TASK 11-00-00-400-007).
(5) Make sure that the seat tracks are clean and in the correct condition.
(6) Make sure that the studs are correctly installed in the front legs of the seat assembly.

Front Stud - Installation Limits ** ON A/C NOT FOR ALL

(7) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) to all seat track fittings and front studs.

Subtask 25-21-41-560-050-C ** ON A/C NOT FOR ALL

B. Preparation for Installation
(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that all placards of the retained/new components are in the correct position and in good condition.
(4) If necessary, install new placards (Ref. AMM TASK 11-00-00-400-007).
(5) Make sure that the seat tracks are clean and in the correct condition.
(6) Apply Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) to all seat track fittings and front studs.

Subtask 25-21-41-420-063-F ** ON A/C NOT FOR ALL

C. Installation of the Passenger Seats in the Business Class Area

Passenger Seats ** ON A/C NOT FOR ALL

Passenger Seats B/C ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the seat unit (1) in position on the seat tracks.
(3) Refer to the match marks you made during the removal procedure.
(4) Make sure that the track fittings (7) and the front studs (2) are correctly engaged in the seat tracks.
(5) Move the seat unit (1) forward or rearward to align with the marks on the seat tracks.
(6) Make sure that the spring-loaded track locks (6) engage correctly into the seat tracks.
(7) TORQUE the screws (5) to between 90 and 65 lbf.in (1.02 and 0.73 m.daN )

.
(8) Put a mark on the screws (5) and the track fittings (7) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(9) Tighten the anti-rattle nuts (3) with a WRENCH - GROOVE NUT until the front studs (2) have no play in the seat tracks, then tighten them a quarter to a half turn more.
(10) Install the seat track covers (4) on the seat track.

Subtask 25-21-41-420-063-R ** ON A/C NOT FOR ALL

C. Installation of the Passenger Seats in the Business Class Area

Passenger Seats - Business Class ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

(1) Put the seat unit (1) in position on the seat tracks.
(2) Make sure that the track fittings (5) and the front studs (3) engage correctly in the seat tracks.
(3) Move the seat unit (1) forward or rearward to it align with the marks on the seat tracks.
(4) Turn and lower the shear pins (6) to the locked position.
(5) Make sure that the track locks (8) engage correctly with the seat tracks.
(a) TORQUE the screws (7) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

.
(b) TORQUE the anti-rattle screws (2) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

.
(6) Put a mark on the screws (7) and the track fittings (5) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(7) Install the seat track covers (4) on the seat tracks.

Subtask 25-21-41-420-063-RQ ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

C. Installation of the Passenger Seat in the Business Class (B/C) Area

Passenger Seat ** ON A/C NOT FOR ALL

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Carefully put the seat unit (1) in position on the seat tracks.
(3) Make sure that the track fittings (7) and the front studs (4) correctly engage in the seat tracks.
(4) Move the seat unit (1) forward or rearward to align it with the marks on the seat tracks.
(5) Turn the locking plates (8) clockwise to the locked position.
(6) Make sure that the track locks (6) correctly engage in the seat tracks.
(7) TORQUE the screws (5) to between 39.80 and 31.00 lbf.in (0.45 and 0.35 m.daN )

.
(8) Push the levers (2) to the locked position.
(9) Put marks on the screws (5) and the locking plates (8) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(10) Install the applicable seat track covers (3) on the seat tracks.
(11) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-420-064-B ** ON A/C NOT FOR ALL

D. Installation of the Passenger Seats

Passenger Seats ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Put the seat unit (1) in position on the seat tracks.
(3) Make sure that the track fittings (7) and the front studs (4) engage correctly in the seat tracks.
(4) Move the seat unit (1) forward or rearward to align it with the marks on the seat tracks.
(5) Turn the locking plates (8) clockwise to the locked position.
(6) Make sure that the track locks (6) engage correctly in the seat tracks.
(7) TORQUE the screws (5) to between 40 and 31 lbf.in (0.45 and 0.35 m.daN )

.
(8) Push the lever (2) to the locked position.
(9) Put a mark on the screws (5) and the locking plates (8) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(10) Install the applicable seat track covers (3) on the seat tracks.
(11) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-420-064-O ** ON A/C NOT FOR ALL

D. Installation of the Passenger Seats in the Business and Tourist Class Areas

Passenger Seats - Tourist Class ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

(1) Put the seat unit (1) in position on the seat tracks.
(2) Make sure that the track fittings (6) and the front studs (3) engage correctly in the seat tracks.
(3) Move the seat unit (1) forward or rearward to align it with the marks on the seat tracks.
(4) Make sure that the track locks (7) engage correctly in the seat tracks.
(5) TORQUE the screws (5) to between 70 and 50 lbf.in (0.79 and 0.57 m.daN )

NOTE: A flush screw head shows that the installation is correct.

(6) Tighten the anti-rattle nuts (2) with a WRENCH - GROOVE NUT until the front studs have no play in the seat tracks. Then tighten them a quarter turn more.
(7) Put a mark on the screws (5) and the track fittings (6) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(8) Install the seat track covers (4) on the seat track.

Subtask 25-21-41-420-064-P ** ON A/C NOT FOR ALL

D. Installation of the Passenger Seats in the Business and Tourist Class Areas

Passenger Seats ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

(1) Put the seat unit (1) in position on the seat tracks.
(2) Make sure that the track fittings (8) and the front studs (3) engage correctly in the seat tracks.
(3) Move the seat unit (1) forward or rearward to align it with the marks on the seat tracks.
(4) Make sure that the track locks (6) engage correctly with the seat tracks.
(5) TORQUE the screws (7) to between 88 and 72 lbf.in (0.99 and 0.81 m.daN )

.
(6) Lock the spring-clips (5) on the track locks (6).
(7) Tighten the anti-rattle nuts (2) counterclockwise with a WRENCH - GROOVE NUT until the front studs have no play in the seat tracks. Then tighten them a quarter turn more.
(8) Put a mark on the screws (7) and the track fittings (8) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(9) Install the seat track covers (4) on the seat tracks.

Subtask 25-21-41-420-050-BV ** ON A/C NOT FOR ALL

E. Installation of the Passenger Seats in the Tourist Class Area

Passenger Seats - Tourist Class ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

.
(7) Put a mark on the screws (5) and the track fittings (6) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(8) Tighten the anti-rattle nuts (2) with a WRENCH - GROOVE NUT until the front studs have no play in the seat tracks. Then tighten them a quarter turn more.
(9) Install the seat track covers (4) on the seat tracks.

Subtask 25-21-41-420-050-AZ ** ON A/C NOT FOR ALL

E. Installation of the Passenger Seats in the Tourist Class Area

Passenger Seats ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

.
(7) Lock the screws (8) with the locking plates (5) on the track locks (6).
(8) Push the levers (2) to the locked position.
(9) Put a mark on the screws (8) and to the locking plates (5) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(10) Install the seat-track covers (3) on the seat tracks.

Subtask 25-21-41-420-050-R ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

E. Installation of the Passenger Seats in the Tourist Class Area

Passenger Seats ** ON A/C NOT FOR ALL

NOTE: If a hammer is used to adjust the seat, use a rubber mallet.

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Put the seat unit (1) in position on the seat tracks.
(3) Make sure that the track fittings (5) and the front studs (7) are correctly engaged in the seat tracks.
(4) Move the seat unit (1) forward or rearward a maximum of half an inch and align it with the marks on the seat tracks.
(5) Push the track locks (4) forward and down to engage them correctly in the seat tracks.
(6) Turn the safety caps (2) one quarter turn counterclockwise and engage them into the track fittings (5).
(7) Make sure that the safety caps (2) are correctly engaged into the track fittings (5).
(8) TORQUE the screws (3) to between 26 and 24 lbf.in (0.29 and 0.27 m.daN )

.
(9) Put a mark on the screws (3) and the track fittings (5) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(10) TORQUE the front stud screws (8) to between 136.4 and 111.6 lbf.in (1.54 and 1.26 m.daN )

.
(11) Install the seat track covers (6) on the seat tracks.

Subtask 25-21-41-420-050-J ** ON A/C NOT FOR ALL

E. Installation of the Passenger Seats in the Tourist Class Area

Passenger Seats ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

.
(7) Engage the spring clips (8) on the track locks (7).
(8) With a WRENCH 5/16 IN - SOCKET, turn the eccentric cams (2) clockwise to the locked position.
(9) Make sure that the green indication marks are on top of the eccentric cams (2).
(10) Make marks on the heads of the screws (6) and the track fittings (5) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(11) Install the applicable seat track covers (4) on the seat tracks.

Subtask 25-21-41-420-050-AQ ** ON A/C NOT FOR ALL

E. Installation of the Passenger Seats in the Tourist Class Area

Passenger Seats ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

.
(6) Tighten the anti-rattle nuts (2) until the front studs have no play in the seat tracks. Then tighten them a quarter to a half turn more.
(7) Put a mark on the screws (7) and the track fittings (5) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(8) Install the seat track covers (4) on the seat tracks.

Subtask 25-21-41-420-050-AK ** ON A/C NOT FOR ALL

E. Installation of the Passenger Seats

Passenger Seats ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THERE IS NO PLAY BETWEEN THE SEATLOCKS AND THE SEAT TRACKS. IF THE SEAT BECOMES LOOSE, IT CAN CAUSE INJURY TO PASSENGERS OR DAMAGE TO THE SEAT.

(1) Put the seat unit (1) in position on the seat tracks.
(2) Make sure that the track fittings (6) and the front studs (2) engage correctly in the seat tracks.
(3) Move the seat unit (1) forward or rearward to align it with the marks on the seat tracks.
(4) TORQUE the screws (5) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )

.
(5) Tighten the anti-rattle nuts (4) with a WRENCH - GROOVE NUT until the front studs (2) have no play in the seat tracks. Then tighten them a quarter to a half turn more.
(6) Put a mark on the screws (5) and the track fittings (6) with Varnish Polyurethane-- Marking Structure (Material No.04SAB2) .
(7) Install the seat track covers (3) into the seat track.

Subtask 25-21-41-410-054-A ** ON A/C NOT FOR ALL

F. Close Access

Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL

(1) If there is an In-Seat Power-Supply System (ISPS) installed, connect the electrical connector(s)
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) Connection of the electrical connector(s)

CAUTION: MAKE SURE THAT THE SPRING LATCHES CORRECTLY HOLD THE CONNECTOR IN THE FULLY ENGAGED POSITION. THE SPRING LATCHES PREVENT UNWANTED MOVEMENT OF THE CONNECTOR, AND THUS THE RISK OF ARCING, WHICH CAN CAUSE DAMAGE TO THE UNIT.

1 Connect the electrical connector(s) (13), (14).
(d) Attach the wire with Tie wrap to the seat structure.
(e) Close the cover (7) and push the quick-release studs (8) into the locked position.
(f) Make sure that the work area is clean and clear of tools and other items.
(2) If there is an Passenger Entertainment System installed, connect the electrical connector(s)
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) Connection of the electrical connector(s)

1 Connect the electrical connector(s) (11), (12) and engage the spring latches (10).
(d) Attach the wire with Tie wrap to the seat structure.
(e) Close the cover (8) and push the quick-release studs (7) into the locked position.
(f) Make sure that the work area is clean and clear of tools and other items.
(3) If there is an Emergency Escape-Path Marking System (EEPMS) installed, connect the electrical connector(s)
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) Connection of the electrical connector(s)
1 Connect the electrical connector(s) (1).
(d) Put the wire in position and if the carpet was removed, put the carpet in position (Ref. AMM TASK 25-28-41-400-001).
(e) Install the protection cap (4) and push the quick-release studs (3) into the locked position.
(f) Install the applicable seat-track covers (5) on the seat tracks.
(g) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-410-054-H ** ON A/C NOT FOR ALL

F. Close Access

Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL

(1) Remove the CAP-BLANKING from each electrical connector and receptacle.
(2) Make sure that all the electrical connections are clean and in the correct condition.
(3) Connect the electrical connectors (3).
(4) Lock the electrical connectors (3) with the spring latches (4).
(5) Put the cover (1) in position and lock the fasteners (2).
(6) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-410-054-AB ** ON A/C NOT FOR ALL

F. Close Access
(1) Connect the electrical connectors:

Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL

(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) Connect the electrical connectors (3).
(d) Put the covers (1) in position and lock the fasteners (2).
(2) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-410-054-AG ** ON A/C NOT FOR ALL

F. Close Access
(1) Connection of the Emergency Escape-Path Marking-System (EEPMS), if installed:

Passenger Seats - Electrical Connections (WL) ** ON A/C NOT FOR ALL

(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) Put the cable (4) in position and connect the electrical connector (3).
(d) Put the cover (1) in position and lock the fasteners (2).
(2) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-410-054-CC ** ON A/C NOT FOR ALL

F. Close Access

Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Connect the electrical connectors:
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) Make sure that the protective sleeves (4) are in the correct position.
(d) Carefully put the cables (3) in position.
(e) Install new CABLE TIES (6), if necessary.
(f) Connect the electrical connectors (5)to the brackets.
(g) Lock the cables (3) into the clamps (7), if necessary.
(3) Put the covers (1) in position and lock the fasteners (2).
(4) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-410-054-CS ** ON A/C NOT FOR ALL

F. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-410-054-SS ** ON A/C NOT FOR ALL

F. Close Access

Passenger Seats - Electrical Connections ** ON A/C NOT FOR ALL

(1) When you connect/install the components, refer to the match marks made during the removal procedure.
(2) Connect the electrical connectors as follows:
(a) Remove the CAP-BLANKING from each electrical connector and receptacle.
(b) Make sure that all the electrical connections are clean and in the correct condition.
(c) Make sure that the protective sleeves (3) are in their correct positions.
(d) Carefully put the cables (8) in position.
(e) Connect the electrical connectors (14) to the In-Seat Power Supply Unit (ISPSU).
(f) Connect the electrical connector (16) to the bracket.
(g) Close the clamps (15).
(3) On the B/C seat:
(a) Put the covers (6) and (9) in position and engage the fasteners (7) and (10).
(b) Put the cover (11) in position and install the washer (12) and the screw (13).
(c) Tighten the screw (13).
(4) On the tourist class seat, put the covers (1) and (4) in position and engage the fasteners (2) and (5).
(5) Make sure that the work area is clean and clear of tools and other items.

Subtask 25-21-41-865-097-A

G. 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
49VU	LIGHTING/EMER LT/CABIN	2WL	H06
49VU	LIGHTING/EMER LT/CABIN	1WL	H05
** ON A/C NOT FOR ALL
49VU	LIGHTING/EMER LT/CABIN	2WL	H04
49VU	LIGHTING/EMER LT/CABIN	1WL	H03
** ON A/C NOT FOR ALL
2000VU	PASSENGER READING LIGHT	6LW	G06
2000VU	PASSENGER READING LIGHT	5LW	G05
2000VU	PASSENGER READING LIGHT	4LW	G04
2000VU	PASSENGER READING LIGHT	1LW	G01
** ON A/C NOT FOR ALL
2000VU	PASSENGER READING LIGHT	2LW	G02
** ON A/C NOT FOR ALL
2000VU	PASSENGER READING LIGHT	3LW	G03
** ON A/C NOT FOR ALL
2000VU	IFE-IFEC-AC	22MK	C04
** ON A/C NOT FOR ALL
2000VU	IFE-VCC-AC	21MH	C02
2000VU	IFE-VCC-DC	20MH	C01
2000VU	IFE/SEAT-POWER-PAX SYS	20MK	D08
** ON A/C NOT FOR ALL
2000VU	INSEAT POWER-MCU 2	59HP	B08
2000VU	INSEAT POWER-MCU 1	58HP	B05
** ON A/C NOT FOR ALL
2000VU	IFE-IFEC-AC	22MK	C06
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CONTROL-VCC	21MH	C02
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CONTROL-MAIN	20MH	C01
** ON A/C NOT FOR ALL
2000VU	SEAT POWER-MCU 2	59HP	B08
2000VU	SEAT POWER-MCU 1	58HP	B05
** ON A/C NOT FOR ALL
2000VU	PASSENGER/READING/LIGHT	2LW	G02
** ON A/C NOT FOR ALL
2000VU	PES-MUSIC - CTL	21MK	D01
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CONTROL-VCC-DS/C	21MH	C02
2000VU	PES-MUSIC-CABIN AFT-RH	25MK	D05
2000VU	PES-MUSIC-CABIN AFT-LH	22MK	D04
2000VU	PES-MUSIC-CABIN FWD-RH	24MK	D03
2000VU	PES-MUSIC-CABIN FWD-LH	23MK	D02
** ON A/C NOT FOR ALL
2000VU	PES-MUSIC-CTL	21MK	D01

Subtask 25-21-41-410-055-A ** ON A/C NOT FOR ALL

H. Close Access
(1) Remove the WARNING NOTICE(S).

Subtask 25-21-41-710-050-A ** ON A/C NOT FOR ALL

I. Do the operational test of the emergency lights (Ref. AMM TASK 33-51-00-710-009).

Subtask 25-21-41-710-051-A ** ON A/C NOT FOR ALL

J. Do the BITE test of the Passenger Entertainment System (PES) (Ref. AMM D/O 23-33-00-74).

Subtask 25-21-41-710-051-B ** ON A/C NOT FOR ALL

J. Do the operational test of the Integrated In-Flight Entertainment (IFE) System
(Ref. AMM TASK 23-33-00-710-005)

Subtask 25-21-41-710-056-A ** ON A/C NOT FOR ALL

K. Do the operational test of the in-seat power-supply system (Ref. AMM TASK 25-21-00-710-002).

Subtask 25-21-41-710-052-A

L. Test of the passenger seats with mechanically operating functions:

NOTE: This test is only necessary for seats installed in the installation procedure.

NOTE: The legrest test is only applicable for seats that have a legrest installed.

ACTION	RESULT
1.Put the backrest in the reclined position:
Push and hold the related control button and, at the same time, push the backrest rearward.	The backrest moves to its reclined position.
2.Put the backrest in the vertical position:
Push and hold the related control button.	The backrest moves to its vertical position.
3.Put the legrest in the extended position:
Push and hold the related control button.	The legrest moves to its extended position.
4.Put the legrest in the retracted position:
Push and hold the related control button and, at the same time, push the legrest down.	The legrest moves to its retracted position.

5. Close-up
Subtask 25-21-41-862-052-A

A. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:30:32 UTC