AUXILIARY BATTERY CHARGER - ADJUSTMENT/TEST
1. General
A. This procedure has this task:
(1) The Auxiliary Battery Charger Operational Test.
TASK 24-31-31-710-801
2. Auxiliary Battery Charger Operational Test
A. General
(1) The Auxiliary Battery Charger, M3055 is located on the E3-3 equipment rack in the main
equipment center.
B. References
Reference Title
24-22-00-860-812 Remove Electrical Power (P/B 201)
24-22-00-860-813 Supply External Power (P/B 201)
C. Location Zones
Zone Area
117 Electrical and Electronics Compartment - Left
118 Electrical and Electronics Compartment - Right
211 Flight Compartment - Left
212 Flight Compartment - Right
D. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
E. Prepare for Test
SUBTASK 24-31-31-860-005
(1) Do this task: Supply External Power, TASK 24-22-00-860-813.
SUBTASK 24-31-31-860-006
(2) Make sure the BUS TRANS switch on the P5-4 panel is in the AUTO position.
SUBTASK 24-31-31-860-007
(3) Make sure the STANDBY POWER switch on the P5-5 panel is in the AUTO position.
SUBTASK 24-31-31-210-001
(4) Make sure the ELEC light on the P5-13 panel is OFF.
(a) To clear ELEC light messages, do this task: P5-13 ELEC Light Message BITE Procedure
(FIM 24-31 TASK 818).
F. Operational Test
SUBTASK 24-31-31-710-002
(1) Do a check of the auxiliary battery charger per the steps that follow:
(a) Set the GRD PWR switch on the P5-4 panel to the OFF position.
(b) Make sure the BAT switch on the P5-13 panel is set to the ON position.
(c) Set the DC meter selector switch on the P5-13 panel to the AUX BAT position.
(d) Make sure the DC meter on the P5-13 panel shows these values:
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-31-31
Page 501
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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