4. Procedure
_________ (Ref. Fig. 401/TASK 25-11-64-991-001) Subtask 25-11-64-020-050
A. Removal of the Captain (First Officer) Seat-Headrest Assy
(1)
Push the two pushbuttons (15) of the headrest clips (7) and pull the headrest (6) up to remove it from the seat (1).
(2)
Remove the retainer rings (2).
(3)
Pull with force to remove the lumbar rest control-knobs (3).
(4)
Remove the fourteen screws (5) and the upper back shroud (4) of the backrest from the seat (1).
EFF : ALL
25-11-64Page 401
Captain (First Officer) Seat-Headrest Assy
Figure 401/TASK 25-11-64-991-001
EFF : ALL 25-11-64 Page 402
Nov 01/02
CES
(5)
Remove the headrest clip (7) from the upper strap guide (8).
(6)
Remove the three screws (12), the washers (13) and the reinforcement fitting (14).
(7)
Remove the upper strap guide (8), the two inserts (9) and the lower strap guide (10) from the harness support (11).
EFF : ALL
25-11-64Page 403
TASK 25-11-64-400-001 Installation of the Captain (First Officer) Seat-Headrest Assy
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 25-11-64-991-001 Fig. 401
3. Job Set-up
__________ Subtask 25-11-64-860-050
A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. TASK 24-42-00-861-001).
4. Procedure
_________ (Ref. Fig. 401/TASK 25-11-64-991-001) Subtask 25-11-64-420-050
A. Installation of the Captain (First Officer) Seat-Headrest Assy
(1)
Clean the component interface and/or the adjacent area.
(2)
Put the lower strap guide (10) in position on the harness support (11).
(3)
Put the two inserts (9) in position on the lower strap guide (10).
EFF : ALL
25-11-64Page 404
(4)
Put the upper strap guide (8) in position and install the three screws (12), the washers (13) and the reinforcement fitting (14).
(5)
Tighten the three screws (12).
(6)
Install the headrest clips (7) on the upper strap guide (8).
(7)
Push the lumbar rest control-knobs (3) to install them.
(8)
Install the retainer rings (2).
(9)
Put the upper back shroud (4) of the backrest in position on the seat
(1) and install the fourteen screws (5).
(10)
Tighten the fourteen screws (5).
(11)
Put the headrest (6) in position in the guides of the seat (1) and push it in.
(12)
Make sure it is only necessary to push or pull the headrest (6) to adjust it to the correct position (up, down or reclined).
5. Close-up
________ Subtask 25-11-64-862-050
A. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
EFF : ALL
25-11-64Page 405
ARMREST ASSY - SEAT, CAPTAIN/FIRST OFFICER - REMOVAL/INSTALLATION
_________________________________________________________________ TASK 25-11-65-000-001 Removal of the Captain (First Officer) Seat Armrest Assy
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific magnetic finger No specific screwdriver
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External
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