(2)
Turn the lower lumbar-rest control-knob (19) counterclockwise to
adjust the lumbar rest assy to the maximum forward position.
(3)
Turn the upper lumbar-rest control-knob (19) clockwise to adjust the lumbar rest assy to the lowest position.
(4)
Remove the retainer rings (17).
(5)
Pull the lumbar rest control-knobs (19) with force to remove them.
(6)
Remove the fourteen screws (18) and the upper back shroud (23) of the backrest from the seat (1).
(7)
Remove the four screws (22), the washers (21) and the nuts (16).
(8)
Remove the lower back shroud (20) of the backrest from the seat (1).
(9)
Remove the two screws (28), the washers (29), the nuts (26) and
retain the stops (27).
(10)
Remove the two screws (9) and the control lever (8) from the control lever support (10).
(11)
Remove the two screws (6), the washers (7) and the control lever support (10) from the front metal sheet (3).
(12)
Remove the two screws (11), the washers (12) and the front cross beam (13).
(13)
Remove the six screws (5), the washers (4) and the front metal sheet
(3) from the main front shroud (2).
(14)
Remove the four screws (14), the washers (15) and the main front shroud (2) from the seat (1).
EFF : ALL
25-11-62Page 403
TASK 25-11-62-400-001 Installation of the Captain (First Officer) Seat Shroud 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 25-11-61-000-001 Removal of the Captain (First Officer) Seat Cushion 25-11-61-400-001 Installation of the Captain (First Officer) Seat
Cushion
3. Job Set-up
__________ Subtask 25-11-62-860-050
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 (First Officer) seat cushion is removed (Ref. TASK 25-11-61-000-001).
4. Procedure
_________ Subtask 25-11-62-420-050
A. Installation of the Captain (First Officer) Seat Shroud Assy
NOTE : The Captain and First Officer seats are symmetrical. The
____ removal/installation procedures of the shroud assy of the Captain and First Officer seats are the same.
EFF : ALL
25-11-62Page 404
(1)
Put the main front shroud (2) in position on the seat (1) and install the four screws (14) and the washers (15) on the main front shroud (2).
(2)
Tighten the screws (14).
(3)
Put the front metal sheet (3) in position on the main front shroud
(2) and install the six screws (5) and the washers (4) on the front metal sheet (3).
(4)
Install the front cross beam (13), the two screws (11) and the
washers (12).
(5)
Tighten the screws (5) and (11).
(6)
Put the control lever support (10) in position on the front metal
sheet (3) and install the two screws (6) and the washers (7).
(7)
Tighten the screws (6).
(8)
Put the control lever (8) in position on the control lever support
(10) and install and tighten the two screws (9).
(9)
Put the two stops (27) in position and install the lower back shroud
(20) of the backrest on the seat (1).
(10)
Install the two screws (28), the washers (29) and the nuts (26).
(11)
Install the four screws (22), the washers (21) and the nuts (16).
(12)
Tighten the screws (22) and (28).
(13)
Put the upper back shroud (23) of the backrest in position on the seat (1).
(14)
Install the fourteen screws (18) and tighten them.
(15)
Push the lumbar rest control-knobs (19) and install the retainer rings (17).
(16)
Install the knob (25) on the control lever (8) and install the screw (24).
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