(Continued)
Zone Area
118 Electrical and Electronics Compartment - Right
E. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
F. Prepare for the removal
SUBTASK 24-41-21-010-001
(1) Open this access panel to get access to the main equipment center:
Number Name/Location
117A Electronic Equipment Access Door
SUBTASK 24-41-21-860-001
(2) Do this task: Remove Electrical Power, TASK 24-22-00-860-812.
SUBTASK 24-41-21-860-002
(3) Make sure the BAT switch on the P5-13 panel is set to the OFF position.
SUBTASK 24-41-21-860-003
(4) Open this circuit breaker and install safety tag:
Power Distribution Panel Number 2, P92
Row Col Number Name
A 12 C00936 EXT PWR BPCU
G. Bus Power Control Unit Removal
SUBTASK 24-41-21-910-001
CAUTION
DO NOT TOUCH THE CONTROL UNIT BEFORE YOU DO THE PROCEDURE
FOR DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE.
ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE CONTROL
UNIT.
(1) Before you touch the BPCU [1], do this task: ESDS Handling for Metal Encased Unit Removal,
TASK 20-40-12-000-802.
SUBTASK 24-41-21-020-001
(2) To remove the BPCU [1], do this task: E/E Box Removal, TASK 20-10-07-000-801.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-41-21
Page 402
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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