GENERATOR, BUS TIE AND AUXILIARY POWER BREAKERS - REMOVAL/INSTALLATION
1. General
A. This procedure has two tasks:
(1) The first task removes any of the following breakers:
(a) GENERATOR CONTROL BREAKER 1 (GCB)
(b) GENERATOR CONTROL BREAKER 2 (GCB)
(c) AUXILIARY POWER BREAKER (APB)
(d) BUS TIE BREAKER 1 (BTB)
(e) BUS TIE BREAKER 2 (BTB)
(2) The second task installs any of these breakers.
B. These power breakers are the same. This procedure is applicable to all of these power breakers.
TASK 24-21-41-000-801
2. Breaker Removal
(Figure 401)
A. General
(1) The breakers are located as follows:
(a) GENERATOR CONTROL BREAKER 1, C801 - P91
(b) GENERATOR CONTROL BREAKER 2, C802 - P92
(c) AUXILIARY POWER BREAKER, C803 - P91
(d) BUS TIE BREAKER 1, C804 - P91
(e) BUS TIE BREAKER 2, C805 - P92
B. References
Reference Title
24-22-00-860-812 Remove Electrical Power (P/B 201)
C. Location Zones
Zone Area
117 Electrical and Electronics Compartment - Left
118 Electrical and Electronics Compartment - Right
D. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
E. Prepare for removal.
SUBTASK 24-21-41-860-001
WARNING
REMOVE ELECTRICAL POWER BEFORE REMOVING OR INSTALLING
POWER BREAKERS IN POWER DISTRIBUTION PANELS. HIGH VOLTAGES
PRESENT CAN CAUSE INJURY TO PERSONS.
(1) Do this task: Remove Electrical Power, TASK 24-22-00-860-812.
(a) Make sure that all of the power warning lights on the power distribution panel are off.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-21-41
Page 401
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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