DOUBLER

NOTE:  LEFT HAND SHOWN RIGHT HAND OPPOSITE.
Landing Gear Brake System Control Path Inspection Figure 601 (Sheet 3)
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747-400 MAINTENANCE MANUAL
 E. Put the Airplane Back to Its Initial Condition.
 S 416-008
 (1)  
Install the passenger cabin ceiling panels that follow
 (AMM 25-22-01/401):

 (a)  
Ceiling panels forward of the first door

 (b)  
Left and right hand ceiling panels between the first and second doors

 (c)  
Left and right hand ceiling panels between the second and third doors

 (d)  
First left and right hand ceiling panels just aft of the third doors.

 S 416-009
 (2)  
Install the left and right hand sidewall lining doorway panels just aft of the third doors (AMM 25-21-03/401).

 S 866-012

 (3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P414, Power Distribution Center - Left Panel
 1) 414D8, CAPT PWR SEAT

 (b)  
P415, Power Distribution Center - Right Panel 1) 415H32, F/O PWR SEAT

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747-400 MAINTENANCE MANUAL
 BRAKE PEDAL BUS CRANK ASSEMBLY - REMOVAL/INSTALLATION
_____________________________________________________
 1.  General_______
 A.  This procedure contains these tasks:
 (1)
The removal of the crank assembly for the brake pedal bus.

 (2)
The installation of the crank assembly for the brake pedal bus.

 B.  
The crank assembly for the left brake pedal bus is forward of the captain's brake pedals. The crank assembly for the right brake pedal bus is forward of the first officer's brake pedals.

 C.  
You can use the same steps to remove and install the crank assembly for the right or the left brake pedal bus.

 TASK 32-41-02-004-001
 2.  Brake Pedal Bus Crank Assembly - Removal (Fig. 401)________________________________________
 A.  General
 (1)  
In subsequent steps:

 (a)  
The crank assembly for the brake pedal bus is referred to as the bus crank assembly.

 (b)  
The pushrod for the brake control quadrant is referred to as the control quadrant pushrod.

 (c)  
The retainer assembly for the lower bearing is referred to as the lower bearing retainer.

 B.  
References

 (1)  
AMM 09-11-00/201, Towing

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 25-22-01/401, Main Passanger Cabin Ceiling Panels

 (4)  
AMM 29-11-00/201, Main Hydralic Supply System

 (5)  
AIPC 32-41-02 Fig. 1

 (6)  
AIPC 32-41-34 Fig. 1

 C.  
Access

 (1)  
Location Zones
 211 Passenger Cabin
 212 Passenger Cabin

 D.  
Prepare for the Removal

 S 844-002
 (1)  Make sure the landing gear ground locks are installed (AMM 09-11-00/201).
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MAINTENANCE MANUAL

 S 844-003
 (2)  
Make sure the wheel chocks are installed.

 S 844-023

 (3)  
　
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