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A
747-400 FAULT ISOLATION/MAINT MANUAL
BRAKE TORQUE SENSOR INSTALLATION (TYPICAL)
Brake Control System - Component Location
Figure 102 (Sheet 10)
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A
747-400 FAULT ISOLATION/MAINT MANUAL
WHEEL SPEED
TRANSDUCER
(EXAMPLE)
SEE N
WHEEL
(REF)
WHEEL SPEED
TRANSDUCER
(M46 THROUGH M61)
TRANSDUCER
DOG (REF)
CUP
(REF)
COUPLING
HUBCAP (REF)
WHEEL SPEED TRANSDUCER (EXAMPLE)N
Brake System Control - Component Location
Figure 102 (Sheet 11)
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A
747-400 MAINTENANCE MANUAL
BRAKE CONTROL SYSTEM - ADJUSTMENT/TEST
______________________________________
1. General_______
A. This procedure contains these tasks:
(1)
Operational Test - Brake Control System
(2)
Ground Test - Brake System Bite
(3)
Ground Test - Brake Release
(4)
Ground Test - Autobrake Application
(5)
Ground Test - Torque Zero Function
(6)
System Test - Brake Control System
B.
The operational test task does a test of the Line Replaceable Units (LRU's) of the brake control system. The four ground tests for the brake control system are used to complete the operational test of the brake control system.
C.
The system test task is a more complete test of the brake control system. The four ground tests are completed as part of the system test task. The system test task is also used to do a test of:
(1)
The interfaces of the brake control system with other systems of the airplane
(2)
System indication
(3)
The analog inputs of system components
(4)
The analog inputs of airplane components that supply inputs to the brake control system as well as to other airplane systems.
D.
For general information on the operation of the Central Maintenance Computer System, (AMM 45-10-00/201).
TASK 32-42-00-715-001
2. Operational Test - Brake Control System_______________________________________
A. Access
(1) Location Zones
221 Control Cabin, LH
222 Control Cabin, RH
730 Wing Landing Gear - Left and Doors
740 Wing Landing Gear - Right and Doors
750 Body Landing Gear - Left and Doors
760 Body Landing Gear - Right and Doors
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747-400 MAINTENANCE MANUAL
B. Preconditions
S 865-408
(1)
This condition is necessary for this task:
(a)
Electrical Power is available (AMM 24-22-00/201).
C.
Do the Operational Test of the Brake Control System
S 715-293
(1)
Do this task "Ground Test - Brake System Bite"
S 715-294
(2)
Do this task "Ground Test - Brake Release"
S 715-295
(3)
Do this task "Ground Test - Autobrake Application"
S 715-296 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 起落架 LANDING GEAR 7(8)
