(b)  
415H32 F/O PWR SEAT

 S 034-024
 (2)  Disconnect the seat electrical connector from the sidewall electrical connector.
 NOTE: Put the electrical connector in the seat to avoid damage.
____
 S 034-026
 (3)  Remove the stop-blocks at the forward end of the forward seat tracks.
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747-400 MAINTENANCE MANUAL
 S 714-103
 (4)  Push the horizontal movement manual override lever to disengage the pinion from the rack.
 S 984-102
 CAUTION: MAKE SURE THAT THE SEAT IS NOT ALLOWED TO DROP ON TO THE FLIGHT
_______ DECK FLOOR. DROPPING THE SEAT CAN CAUSE DAMAGE TO PARTS INSTALLED ON THE SEAT.
 (5)  
Move the seat forward to release the seat trucks from the seat tracks.

 S 024-060

 (6)  
Remove the seat.

 S 424-120

 (7)
Install the stop blocks to the seat tracks if it is necessary.

 TASK 25-11-01-404-031
 3. Captain and First Officer Seat Installation (Fig. 401)
___________________________________________
 A. Access
 (1)  Location Zones
 221 Control Cabin, Left
 222 Control Cabin, Right

 B. Procedure
 S 864-111
 (1)  
Carefully position the seat so that the bogie units are forward of the seat tracks. Make sure that the underside of the seat does not come in contact with the seat tracks.

 S 414-041

 (2)
Align the front and rear swivels so that the single angled face (tapered) roller is on the inboard side of the seat tracks.

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747-400
MAINTENANCE MANUAL

EMERGENCY POWER
CONTROL LEVER FOR MANUAL CUTOFF SWITCH
(OVERRIDE) FORWARD AND AFT ADJUSTMENT
CONTROL SWITCH FOR ELECTRICAL FORWARD AND AFT ADJUSTMENT
BOGIE UNIT (4 LOCATIONS)
SEE A
CAPTAIN'S SEAT - RIGHT VIEW SHOWN FIRST OFFICER'S SEAT - OPPOSITE
PINION SEAT ELECTRICAL GEAR CABLE
CAPTAIN'S SEAT - LEFT VIEW SHOWN FIRST OFFICER'S SEAT - OPPOSITE
Pilots' Seat Installation
Figure 401 (Sheet 1)

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747-400
MAINTENANCE MANUAL

BOGIE UNIT 
TRACK SEAT  CAP NUT 
TAPERED ROLLER  WASHER STOP BLOCK 
ADJUSTMENT NUT 
1 WASHER  STOP BLOCK  2  STOP BLOCK 
BOLT  INBD  FWD 
BOGIE UNIT (ALTERNATIVE) A 
BOGIE UNIT  WASHER  CAP NUT 
SEAT TRACK 
TAPERED ROLLER  BOLT  (EXAMPLE) STOP BLOCK 
STOP BLOCK 
INBD  BOGIE UNIT (RECOMMENDED) FWD A 
1 2  FORWARD OUTBOARD TRACK FORWARD INBOARD TRACK 
Pilots' Seat Installation Figure 401 (Sheet 2) 

A07411
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747-400
　
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