25-25-01
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A
747-400
MAINTENANCE MANUAL
NOT BE FLAT WHEN YOU TIGHTEN IT ON THE SEAT TRACK FITTING.
Seat Track Fitting Installation Figure 402 (Sheet 6)
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25-25-01
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747-400
MAINTENANCE MANUAL
ANTI-RATTLE
(SHEAR PIN) IS ENGAGED
DEVICEIN THE SEAT TRACK
CORRECT INSTALLATION
2
MAKE SURE THE SHEAR PIN IS ENGAGED
IN THE SEAT TRACK. THE PIN WILL
NOT BE FLAT WHEN YOU TIGHTEN THE
SCREW ON THE SEAT TRACK FITTING.
Seat Track Fitting Installation Figure 402 (Sheet 7)
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MAINTENANCE MANUAL
THE SCREW IS TIGHT BUT
SEAT TRACK
THE LOCKING PLUNGER
LOCKING PLUNGER
(SHEAR PIN) DOES NOT
ENGAGE IN THE SEAT TRACK,
IT IS ON THE TOP OF
THE SEAT TRACK.
INCORRECT INSTALLATION
SEAT TRACK
THE LOCKING PLUNGERSEAT TRACK
(SHEAR PIN) IS ENGAGED IN THE SEAT TRACK.
CORRECT INSTALLATION
Seat Track Fitting Installation
Figure 402 (Sheet 8)
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25-25-01
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A
747-400 MAINTENANCE MANUAL
SEAT TRACK
THE LOCKING PLUNGER (SHEAR PIN) IS ENGAGED IN THE SEAT TRACK
CORRECT INSTALLATION
Seat Track Fitting Installation
Figure 402 (Sheet 9)
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747-400 MAINTENANCE MANUAL
S 024-044
(7) If necessary to remove through entry door, push seatback to breakover position.
TASK 25-25-01-404-010
3. Passenger Seat Installation (Fig. 401 and 402)___________________________
A. References
(1)
24-22-00/201, Manual Control
(2)
IPC 25-25-01
(3)
WDM 25-25-11
(4)
WDM 25-25-21
(5)
Location Zone
223 Upper Deck Crewrest, Left
224 Upper Deck Crewrest, Right
B. Procedure
S 434-045
(1)
If necessary to install seat through door, push seatback on seat to breakover position.
S 424-012
(2)
Put the seat in its position on the seat tracks.
S 424-027
(3)
Make sure the studs engage in the circular cutouts in the seat track (Fig. 401).
S 424-013
(4)
Move the seat in the forward or aft direction to get the correct seat pitch.
S 424-028
(5)
Make sure the studs are in the center between the circular cutouts (Fig. 401).
S 424-030
(6)
Tighten the screw to 80 inch/pounds +/- 7 inch/pounds on the seat track fittings.
S 424-031
(7)
Examine the seat track fittings to make sure they are correctly installed in the seat tracks (Fig. 402).
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