26-10-02
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 864-016
 (5)  
Make sure these circuit breakers are closed:

 (a)  P7 Overhead Circuit Breaker Panel
 1) 7G14 EMER LTS CHARGING FWD
 2) 7G15 EMER LTS CHARGING AFT

 D.
Do a Test of the EMER LIGHTS Switch

 S 864-017
 CAUTION: DO NOT LEAVE THE EMERGENCY LIGHTS ON FOR A TIME PERIOD LONGER
_______ THAN 30 SECONDS TO CHECK MODULE OPERATION. TOO MUCH OPERATION CAUSES UNNECESSARY BATTERY DISCHARGE.
 (1)  
Set the EMER LIGHTS switch to ON.

 S 714-018

 (2)  
Make sure the emergency lights come on.

 NOTE: You only have to see one light to make sure the module
____
 operates.

 S 864-019
 (3)  
Set the EMER LIGHTS switch to ARMED.

 S 714-020

 (4)  
Make sure the emergency lights go off and stay off.

 S 864-021
 CAUTION: DO NOT LEAVE THE EMERGENCY LIGHTS ON FOR A TIME PERIOD LONGER
_______ THAN 30 SECONDS TO CHECK THE MODULE OPERATION. TOO MUCH OPERATION CAUSES UNNECESSARY BATTERY DISCHARGE.
 (5)  
Open these circuit breakers:

 (a)  P7 Overhead Circuit Breaker Panel
 1) 7G14 EMER LTS CHARGING FWD
 2) 7G15 EMER LTS CHARGING AFT

 (6)  
Make sure the emergency lights come on.

 S 714-022
 NOTE: You only have to see one light to make sure the module
____
 operates.

 S 864-023
 (7)  Close these circuit breakers:
 (a)  P7 Overhead Circuit Breaker Panel
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 26-10-02
 ALL  ú ú 08 Page 404 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  
7G14 EMER LTS CHARGING FWD

 (c)  
7G15 EMER LTS CHARGING AFT

 S 714-024
 (8)
Make sure the emergency lights go off and stay off.

 S 864-025

 (9)  
Set the EMER LIGHTS switch to OFF.

 E. Do a Test of the Other Module Switches
 S 864-026
 (1)  Close these circuit breakers:
 (a)  
P6 Main Power Distribution Panel 1) 6C1 ALTN PWR ENG FIRE/OVHT DET LOOP A ENG 1 2) 6C2 ALTN PWR ENG FIRE OVHT DET LOOP A ENG 2 3) 6C3 ALTN PWR ENG FIRE/OVHT DET LOOP A ENG 3 4) 6C4 ALTN PWR ENG FIRE/OVHT DET LOOP A ENG 4 5) 6C5 ALTN PWR LOOP A APU FIRE/BLD DUCT OVHT 6) 6C7 W/W FIRE DET AC 7) 6G10 ENG FIRE/OVHT DET ENG 2 LOOP A 8) 6G11 ENG FIRE/OVHT DET ENG 2 LOOP B 9) 6G12 ENG FIRE/OVHT DET ENG 4 LOOP A 10) 6G13 ENG FIRE/OVHT DET ENG 4 LOOP B 11) 6H10 ENG FIRE/OVHT DET ENG 1 LOOP A 12) 6H11 ENG FIRE/OVHT DET ENG 1 LOOP B 13) 6H12 ENG FIRE/OVHT DET ENG 3 LOOP A 14) 6H13 ENG FIRE/OVHT DET ENG 3 LOOP B 15) 6H14 APU FIRE/BLD DUCT OVHT LOOP A 16) 6H15 APU FIRE/BLD DUCT OVHT LOOP B

 (b)  
P7 Overhead Circuit Breaker Panel 1) 7A20 INTERPHONE CAPT 2) 7A21 INTERPHONE F/O 3) 7A22 INTERPHONE OBS 4) 7A23 INTERPHONE - SERV

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 26-10-02
 ALL  ú ú 19 Page 405 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 5) 7H14 CARGO SMOKE DET LWR A 6) 7H15 CARGO SMOKE DET LWR B 7) 7H16 CARGO SMOKE - MAIN DECK ZN 1-8 DET A 8) 7H17 CARGO SMOKE - MAIN DECK ZN 1-8 DET B 9) 7H18 CARGO SMOKE - MAIN DECK ZN 9-16 DET A 10) 7H19 CARGO SMOKE - MAIN DECK ZN 9-16 DET B 11) 7H21 FUEL XFR VALVE MAIN 1 12) 7H24 FUEL XFR VALVE MAIN 4
 (2)  S 714-028Do the test on the FIRE/OVHT TEST switch (AMM 26-10-00/501).
 (3)  S 714-029Do the Captain/First Observer Audio Control Panel test and the First Officer/First Observer Audio Control Panel test (AMM 23-51-00/501).
 (4)  S 714-030Do the voice communication test between the ground service crew and the flight crew (AMM 23-41-00/501).
 (5)  S 714-031Do the test on the FUEL XFER MAIN 1 & 4 switch (AMM 28-16-04/401).
　
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