S 712-046
(9)
Make sure the seat is locked in the middle position.
S 712-045
(10)
Make sure the seat does not move forward or aft more than 0.50 inch from the middle position.
F. Do this forward and aft travel test (electrical operation) for the captain and first officer seats.
S 212-152
(1)
Make sure the Power Cutoff Switch is in the ON position.
S 712-047
(2)
On the first officer seat, operate the seat recline lever to move the seat back cushion to the most forward position.
S 712-048
(3)
Operate the control switch, for electrical forward and aft travel, to move the seat to the most forward position.
S 712-049
(4)
Release the control switch.
S 712-050
(5)
Make sure the seat is locked in the most forward position.
S 712-051
(6)
Make sure the clearance is 0.03 to 0.30 inch between the forward stop blocks and the forward bogie units.
S 712-052
(7)
Make sure the seat moves aft freely while you operate the control lever for manual forward and aft travel.
S 712-053
(8)
Operate the control switch, for electrical forward and aft travel, to move the seat to the most aft position.
(9)
Release the control switch.
(10)
Make sure the seat is locked in the most aft position.
S 712-056
(11)
Make sure the clearance is 0.03 to 0.30 inch between the aft stop blocks and the forward bogie units.
S 712-054
S 712-055
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-11-00
ALL ú ú 09 Page 203 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 712-057
(12)
Operate the control switch to move the seat to the most forward position while you measure the time of travel.
S 712-058
(13)
Release the control switch.
S 712-059
(14)
Make sure the time of travel is 5 to 9 seconds.
S 712-060
(15)
Operate the control switch to move the seat to the most aft position while you measure the time of travel.
S 712-061
(16)
Release the control switch.
S 712-062
(17)
Make sure the time of travel is 5 to 9 seconds.
S 712-145
(18)
SEATS WITH POWER CUTOFF ON/OFF SWITCH;
Move the Power Cutoff Switch to the OFF position.
(a)
Operate the control switch for forward and aft travel.
(b)
Make sure the seat does not move forward or aft while you operate the control switch.
G. Do this vertical travel test (manual operation) for the captain, first officer and first observer seats.
S 712-064
(1) Operate the control lever, for manual vertical travel, while you let the seat move to the highest position.
NOTE: Remove the weight of the person from the seat before you
____
operate the control lever.
S 712-065
(2)
Make sure the seat moves smoothly to the highest position.
(3)
Release the control lever.
(4)
Make sure the seat is locked in the highest position.
S 712-068
(5)
Operate the control lever while you move the seat to the lowest position.
S 712-066
S 712-067
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-11-00
ALL ú ú 07 Page 204 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 712-069
(6)
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本文链接地址：747-400 AMM 飞机维护手册 EQUIPMENT/FURNISHINGS 1(31)
