B.
Procedure
S 862-001-N00
WARNING: MAKE SURE THE CHOCKS ARE INSTALLED ADJACENT TO THE AIRPLANE
_______ WHEELS. THE PARKING BRAKE IS RELEASED WHEN YOU PUSH THE BRAKE PEDALS TO THE STOPS WHICH CAN CAUSE THE AIRPLANE TO MOVE IF THE CHOCKS ARE NOT INSTALLED. IF THE CHOCKS ARE NOT INSTALLED, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(1) Make sure the chocks are installed 6 to 12 inches (15 to 30 cm) in front and aft of the nose and all main landing gear tires.
TASK 76-11-03-862-002-N00
3. Deactivation Procedure for the Captain and First Officer Seats (Fig. 201)______________________________________________________________
A. General
(1)
You must do this task before the removal, installation, or adjustment of a control stand component.
B.
Access
(1)
Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
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MAIN EQUIPMENT CENTER
Panel Locations
Figure 201 (Sheet 1)
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A
747-400
MAINTENANCE MANUAL
P7 PANEL CIRCUITBREAKER PANEL
//////////////////////// / PW4000 SERIES / / ENGINES / ////////////////////////
Panel Locations
Figure 201 (Sheet 2)
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C. Procedure
S 862-003-N00
WARNING: DO THE DEACTIVATION PROCEDURE OF THE FLIGHT COMPARTMENT SEAT.
_______ IF YOU DO NOT DO THE DEACTIVATION PROCEDURE, THE ACCIDENTAL OPERATION OF THE FLIGHT COMPARTMENT SEAT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1) Open these circuit breakers that follow and attach the DO-NOT-CLOSE tags:
(a)
P414 Power Distribution Center - Left 1) 414D8 CAPT PWR SEAT
(b)
P415 Power Distribution Center - Right 1) 415H32 F/O PWR SEAT
TASK 76-11-03-862-004-N00
4. Remove the Electrical Power from the Thrust Lever Switches (Fig. 201)
__________________________________________________________
A. General
(1)
This task removes the electrical power from the control switches for the thrust reverser in the thrust lever assemblies.
(2)
You must do this task before the removal, installation, or adjustment of the thrust lever assemblies and the switches in the thrust lever assemblies.
(3)
You must do this task before you do the maintenance on the autothrottle servomotor and brake assembly, the speed brake lever assembly, and the flap lever assembly. This task will prevent injury or damage caused by the accidental operation of the reverse thrust lever.
B. References
(1) AMM 78-31-00/201, Thrust Reverser System
C. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
D. Procedure
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