(6)
Lift the seat up and remove it.
S 024-009
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-25-01
ALL ú ú 21 Page 401 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2) LOCKED POSITION(EXAMPLE) AFT SEAT TRACK FITTING
(STUDS BETWEEN CIRCULAR CUTOUTS)
B
STUDS
1
THE SHEAR PLUNGER MUST BE FULLY DOWN FOR THE
C
SEAT TRACK FITTING TO BE CORRECTLY LOCKED.
Passenger Seats Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-25-01
ALL ú ú 01 Page 402 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
INCORRECT INSTALLATION
CORRECT INSTALLATION
Seat Track Fitting Installation
Figure 402 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-25-01
ALL ú ú 01 Page 403 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
SEAT TRACK FITTING
CORRECT INSTALLATION
Seat Track Fitting Installation
Figure 402 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-25-01
ALL ú ú 01 Page 404 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SEAT TRACK FITTING
THE LOCKING PLUNGERSEAT TRACKDEVICE
IS NOT ENGAGED IN THE SEAT TRACK BECAUSE THE LOCKING LEVER IS UP.
INCORRECT INSTALLATION
MAKE SURE THE LOCKING LEVER IS FLAT (DOWN), IT IS NOT EASY TO MAKE
SEAT TRACK SURE THE LOCKING PLUNGER
FITTING (SHEAR PIN) IS ENGAGED IN THE SEAT TRACK.
ANTI-RATTLE THE LOCKING PLUNGER IS
SEAT TRACK
DEVICE ENGAGED IN THE SEAT TRACKBECAUSE THE LOCKING LEVER IS FLAT (DOWN).
CORRECT INSTALLATION
Seat Track Fitting Installation
Figure 402 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-25-01
ALL ú ú 01 Page 405 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
THE SCREW IS TIGHT BUT THE LOCKING PLUNGER (SHEAR PIN)SEAT TRACK DOES NOT ENGAGE IN
THE LOCKING PLUNGER (SHEAR PIN) IS ENGAGED IN THE SEAT TRACK
CORRECT INSTALLATION
Seat Track Fitting Installation Figure 402 (Sheet 4)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
25-25-01
ALL ú ú 01 Page 406 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
THE LOCKING PLUNGER (SHEAR PIN) IS ON THE TOP OF THE SEAT TRACK, IT DOES NOT ENGAGE IN THE SEAT TRACK.
INCORRECT INSTALLATION
SEAT TRACK
THE LOCKING PLUNGER (SHEAR PIN) IS ENGAGED IN THE SEAT TRACK.
CORRECT INSTALLATION
Seat Track Fitting Installation
Figure 402 (Sheet 5)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 EQUIPMENT/FURNISHINGS 1(72)
