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 (6) Install the screws (13) and the washers (12) and tighten them. 
R R  NOTE : Make sure the seat is in the stowed position before you____ install the washers (13) and the screws (13).
 (7) Make sure that the work area is clean and clear of tool(s) and other items.
 5. Close-up________
 Subtask 25-11-66-862-050
 A. De-energize the ground service network (Ref. TASK 24-42-00-862-001).

 EFF : ALL

25-11-66Page 406

 LUMBAR REST ASSY - SEAT, CAPTAIN/ FIRST OFFICER - REMOVAL/INSTALLATION
______________________________________________________________________ TASK 25-11-67-000-001 Removal of the Captain (First Officer) Seat Lumbar-Rest
 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 25-11-61-000-001 Removal of the Captain (First Officer) Seat Cushion 25-11-67-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 25-11-67-861-050
 A. Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

 Subtask 25-11-67-010-050
 B. Remove the Captain (First Officer) seat cushion (Ref. TASK 25-11-61-000-001).
 4. Procedure
_________ (Ref. Fig. 401/TASK 25-11-67-991-001) Subtask 25-11-67-020-050
 A. Removal of the Captain (First Officer) Seat Lumbar-Rest NOTE : Make marks on all the parts before disassembly to help you and
____
 prevent errors during assembly.

 (1) Remove the two retainer rings (4).
 EFF : ALL

25-11-67Page 401

 Captain (First Officer) Seat Lumbar-Rest
 Figure 401/TASK 25-11-67-991-001
 EFF :  ALL  25-11-67 Page 402 
Nov 01/02
 CES 

 

 (2)
 Pull with force to remove the two lumbar rest control-knobs (5).

 (3)
 Disengage the connectors (3) from the seat back structure (1).

 (4)
 Disengage the lumbar rest (2) from the seat back structure (1).

 EFF : ALL

25-11-67Page 403

 TASK 25-11-67-400-001 Installation of the Captain (First Officer) Seat Lumbar-Rest
 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 25-11-61-000-001 Removal of the Captain (First Officer) Seat Cushion 25-11-61-400-001 Installation of the Captain (First Officer) Seat
 Cushion 25-11-67-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 25-11-67-860-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the ground service network is energized
 (Ref. TASK 24-42-00-861-001).

 (2)
 Make sure that the Captain (Firt Officer) seat cushion is removed (Ref. TASK 25-11-61-000-001).

 EFF : ALL

25-11-67Page 404

 4. Procedure
_________ (Ref. Fig. 401/TASK 25-11-67-991-001) Subtask 25-11-67-420-050
 A. Installation of the Captain (First Officer) Seat Lumbar-Rest
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Engage the lumbar rest (2) on the seat back structure (1).

 (3)
 Engage the connectors (3) in the seat back structure (1).

 (4)
 Push the two lumbar rest control-knobs (5) to install them.

 (5)
 Install the two retainer rings (4).

 5. Close-up
________ Subtask 25-11-67-410-050
 A. Installation of the Seat Equipment
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the Captain (First Officer) seat cushion (Ref. TASK 25-11-61-400-001).

 Subtask 25-11-67-862-050
 B. De-energize the ground service network
 (Ref. TASK 24-42-00-862-001).
　
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