Lumbar Rest Adjustment of the Captain Seat Inoperative
1. Possible Causes_______________
R R - LUMBAR-REST SEAT, CAPTAIN
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R AMM AMM 25-11-67-000-001 25-11-67-400-001 Removal of the Captain (First Officer) Seat Lumbar-Rest Installation of the Captain (First Officer) Seat Lumbar-Rest
3. Fault Confirmation__________________
A. Test
(1) Adjust the lumbar rest in the vertical and horizontal directions with the two knobs, located on the pedestal side of the backrest.
NOTE : The round serrated knob ensures the vertical lumbar rest____ adjustment with a rack and pinion system. The triangular knob ensures the depth adjustment of the lumbar rest with a cam-mounted rack and pinion assembly.
4. Fault Isolation_______________
R R A. If the lumbar rest adjustment of the Captain seat is inoperative: - replace the LUMBAR-REST SEAT, CAPTAIN (Ref. AMM TASK 25-11-67-000-001) and (Ref. AMM TASK 25-11-67-400-001).
B. Do the test given in Para. 3.
Lumbar-Rest Adjustment of the First Officer Seat Inoperative
1. Possible Causes_______________
R R - LUMBAR-REST SEAT, F/O
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R AMM AMM 25-11-67-000-001 25-11-67-400-001 Removal of the Captain (First Officer) Seat Lumbar-Rest Installation of the Captain (First Officer) Seat Lumbar-Rest
3. Fault Confirmation__________________
A. Test
(1) Adjust the lumbar rest in the vertical and horizontal directions with the two knobs, located on the pedestal side of the backrest.
NOTE : The round serrated knob ensures the lumbar-rest vertical____ adjustment with a rack and pinion system. The triangular knob ensures the depth adjustment of the lumbar rest with a cam-mounted rack and pinion assembly.
4. Fault Isolation_______________
R R A. If the lumbar rest adjustment of the First Officer seat is inoperative: - replace the LUMBAR-REST SEAT, F/O (Ref. AMM TASK 25-11-67-000-001) and (Ref. AMM TASK 25-11-67-400-001).
B. Do the test given in Para. 3.
Adjustment of the Captain Seat Armrest Inoperative
1. Possible Causes_______________
R R R - ARMREST-ASSY SEAT, CAPTAIN - ARMREST-ASSY ASSIST SEAT, CAPTAIN
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R AMM 25-11-65-000-001
R
R AMM 25-11-65-400-001
R
R AMM 25-11-66-000-001
R
R AMM 25-11-66-400-001
R
3. Fault Confirmation
__________________
A. Test
Removal of the Captain (First Officer) Seat Armrest Assy Installation of the Captain (First Officer) Seat Armrest Assy Removal of the Captain (First Officer) Seat Assist Armrest-Assy Installation of the Captain (First Officer) Seat Assist Armrest-Assy
(1) Adjust the Captain seat armrest.
4. Fault Isolation_______________
R R R R A. If the adjustment of the Captain seat armrest is inoperative: - replace the ARMREST-ASSY SEAT, CAPTAIN (Ref. AMM TASK 25-11-65-000-001) and (Ref. AMM TASK 25-11-65-400-001) or the ARMREST-ASSY ASSIST SEAT, CAPTAIN (Ref. AMM TASK 25-11-66-000-001) and (Ref. AMM TASK 25-11-66-400-001).
B. Do the test given in Para. 3.
Adjustment of the First-Officer Seat Armrest Inoperative
1. Possible Causes_______________
R R R - ARMREST-ASSY SEAT, F/O - ARMREST-ASSY ASSIST SEAT, F/O
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R AMM 25-11-65-000-001
R
R AMM 25-11-65-400-001
R
R AMM 25-11-66-000-001
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