S 212-036
(6)
Make sure that the AC CONNECTED and NOT IN USE lights on the P36 panel are on.
S 862-037
(7)
Turn the external power source off.
S 212-038
(8)
Make sure that the AC CONNECTED and PWR NOT IN USE lights are off.
S 032-039
WARNING: TURN OFF THE EXTERNAL ELECTRICAL POWER SOURCE BEFORE YOU
_______ DISCONNECT THE POWER CABLES FROM THE AIRPLANE RECEPTACLES. ELECTRICAL ARCS CAN CAUSE INJURIES.
(9)
Remove the external power cables from the external power receptacles on the P36 panel.
(10)
Close the external power access door 118A.
S 412-040
TASK 24-22-00-862-041
6. Remove External Power from the Ground Handling Bus (Fig. 201)
__________________________________________________
A. Access
(1)
Location Zone 118 Electrical and Electronics Compartment, RH 221 Control Cabin, LH
(2)
Access Panel
118A Electrical Power Receptacle Door
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
B. Procedure
S 212-042
(1)
Make sure that the AC CONNECTED and NOT IN USE lights on the P36 panel are on.
S 862-043
(2)
Turn off the external power source.
S 212-045
(3)
Make sure that the AC CONNECTED and PWR NOT IN USE lights are off.
S 032-046
WARNING: TURN OFF THE EXTERNAL ELECTRICAL POWER SOURCE BEFORE YOU
_______ DISCONNECT THE POWER CABLES FROM THE AIRPLANE RECEPTACLES. ELECTRICAL ARCS CAN CAUSE INJURIES.
(4)
Disconnect the external power cables from the external power receptacles on the P36 panel.
S 412-047
(5)
Close the external power access door 118A.
TASK 24-22-00-862-127
7. Remove External Power from the Ground Service Bus (Fig. 201)
_________________________________________________
A. Access
(1)
Location Zone 118 Electrical and Electronics Compartment, RH 221 Control Cabin, LH 231 Passenger Cabin First to Second Door, LH
(2)
Access Panel
118A Electrical Power Receptacle Door
B. Procedure
S 212-049
(1)
Make sure that the ON light on the GROUND SERVICE switch, on the flight attendants panel, is on.
(a)
Make sure that the POWER NOT IN USE light, on the P36 panel, is off.
S 862-050
(2)
Push the GROUND SERVICE switch on the flight attendants panel (door 2-left).
S 212-051
(3)
Make sure that the AC CONNECTED and POWER NOT IN USE lights on the P36 panel are on.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 862-052
(4) Turn off the external power source.
S 862-111
CAUTION: THE BATTERY SWITCH MUST BE OFF WHEN ELECTRICAL POWER IS REMOVED
_______ FROM THE AIRPLANE. IF THE BATTERY SWITCH IS ON WITH NO AC POWER ON THE AIRPLANE, THE BATTERIES CAN BECOME DISCHARGED. THE APU WILL NOT START IF THE APU BATTERY IS DISCHARGED.
(5)
Make sure that the BATTERY switch, on the P5 overhead panel, is OFF.
S 212-054
(6)
Make sure that the AC CONNECTED and PWR NOT IN USE lights are off.
S 032-055
WARNING: TURN OFF THE EXTERNAL ELECTRICAL POWER SOURCE BEFORE YOU
_______ DISCONNECT THE POWER CABLES FROM THE AIRPLANE RECEPTACLES. ELECTRICAL ARCS CAN CAUSE INJURIES.
(7)
Disconnect the external power cables from the external power receptacles on the P36 panel.
S 412-056 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 ELECTRICAL POWER 电源 1(109)
