(a)  
P180 DC Power Distribution Panel 1) 180J10 BRAKE TEMP IND

 S 714-017
 (6)  Do this task: "Brake Temperature Monitoring System - Ground Test (AMM 32-46-00/501).
 S 094-018
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS ON THE LANDING GEAR DOORS. THE LOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (7)  
Do this task: "Removal of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).

 S 094-019

 (8)  
Do this task: "Removal of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).

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747-400 MAINTENANCE MANUAL
 S 094-021
 (9) Remove the landing gear ground locks (AMM 09-11-00/201).
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747-400 MAINTENANCE MANUAL
 BRAKE TEMPERATURE MONITOR UNIT - REMOVAL/INSTALLATION
_____________________________________________________
 1.  General_______
 A. This procedure contains two tasks:
 (1)  
The removal of the brake temperature monitor unit (BTMU) from the airplane

 (2)  
The installation of the BTMU on the airplane.

 B.
The BTMU is sensitive to electrostatic discharge.

 TASK 32-46-03-024-005
 2.  Brake Temperature Monitor Unit - Removal (Fig. 401)________________________________________
 A. General
 (1)  
This task includes an optional test for the BTMU shop faults through the Central Maintenance Computer.

 B.
References

 (1)  
AMM 20-11-22/401, Rack Mounted Electrical/Electronic Modules

 (2)  
AMM 20-41-01/201, Static Sensitive Devices

 (3)  
AMM 24-22-00/201, Manual Control

 (4)  
AMM 45-10-00/201, Central Maintenance Computer System

 (5)  
IPC 32-46-00 Fig. 1

 C.
Access

 (1)  
Location Zone 118 Electrical & Electronics Compartment, RH (P180 DC Power Distribution Panel)

 125  Area Below Forward Cargo Container Compartment, LH (brake system control unit location)

 (2)  
Access Panel
 125B Access Electronics

 D.
Shop Faults Test (Optional)

 (1)  
Supply electrical power (AMM 24-22-00/201).

 (2)  
Get access to the SHOP FAULTS from the CMC menu (AMM 45-10-00/201).

 S 974-003

 (3)  
Make a record of the shop faults for the Brake Temperature Monitor Unit (BTMU):

 (a)  
Push the LSK adjacent to 32 BRAKE TEMPERATURE on the shop faults menu.

 S 864-001
 S 864-002
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 (b)  
Push the LSK adjacent to BTMU.

 (c)  
Make a record of all shop faults which come into view.

 S 864-004
 (4)  
Remove the electrical power (AMM 24-22-00/201).

 E.
Procedure

 S 864-007
 (1)  
Open this circuit breaker and attach a DO-NOT-CLOSE tag:

 (a)  
P180 DC Power Distribution Panel
 1) 180J10 BRAKE TEMP IND

 S 024-008
 (2)  
Remove the BTMU:
　
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