1) 1 SOURCE OFF
2) 2 SOURCE OFF
3) 1 TRANSFER BUS OFF
4) 2 TRANSFER BUS OFF
(d) Set the BATTERY switch on the P5-13 Panel to the off position.
(e) Remove power from the external power cable.
(f) Make sure these lights on the P19 panel go off:
1) EXTERNAL PWR CONN
2) EXTERNAL PWR NOT IN USE
WARNING
REMOVE ELECTRICAL POWER FROM THE EXTERNAL POWER
SOURCE. IF YOU DO NOT REMOVE ELECTRICAL POWER, YOU CAN
CAUSE INJURIES TO PERSONNEL AND DAMAGE TO EQUIPMENT.
(g) Remove the external power cable.
(h) Close the External Power Receptacle Door.
SUBTASK 24-41-00-480-001
WARNING
PUT A DO-NOT-OPERATE TAG ON THE EXTERNAL POWER RECEPTACLE.
IF YOU DO NOT OBEY THIS INSTRUCTION, INJURIES TO PERSONS CAN
OCCUR.
(3) Attach a DO NOT OPERATE tag, STD-858 to the external power receptacle.
E. AC External Power - Tryout
NOTE: This tryout is to make sure the AC External Power system is in a zero energy state.
SUBTASK 24-41-00-211-001
(1) Make sure the External Power Plug is removed from the receptacle and a DO NOT OPERATE
tag, STD-858 is installed.
SUBTASK 24-41-00-211-002
(2) Make sure the EXTERNAL PWR CONN light on the P19 panel is off.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-41-00
Page 202
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
To Next Page
Loading...
