(g) Make sure the GRD POWER AVAILABLE light on the P5-4 panel is on.
WARNING
WHEN APPLYING 115V AC, 400HZ EXTERNAL OR APU GENERATOR
POWER, THE STANDBY HYDRAULIC PUMP CAN OPERATE FOR
APPROX 4 SECONDS AND MAY MOVE THE RUDDER AND THRUST
REVERSERS. TO PREVENT POSSIBLE INJURY, MAKE SURE THE
RUDDER AND THRUST REVERSERS ARE CLEAR OF PERSONNEL
BEFORE APPLYING POWER.
(h) Set the GRD POWER switch on the P5-4 panel to the ON position.
(i) Make sure these lights on the P5-4 panel go off:
1) 1 SOURCE OFF
2) 2 SOURCE OFF
3) 1 TRANSFER BUS OFF
4) 2 TRANSFER BUS OFF
(j) Make sure the EXTERNAL PWR NOT IN USE light on the P19 panel is off.
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-22-00
Page 204
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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