SERVICE AREA LIGHTING - DESCRIPTION AND OPERATION
_________________________________________________
 1. General
_______
 The service area lighting system comprises the lights installed in the APU
 compartment and in Section 19. Electrical outlets are provided for portable
 maintenance lights.
 2. Component Location
__________________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-224,
 (Ref. Fig. 001)

R **ON A/C 106-149, 225-299, 301-399, 401-499,
 (Ref. Fig. 001A)
 **ON A/C ALL
 -------------------------------------------------------------------------------FIN | FUNCTIONAL DESIGNATION | PANEL|ZONE|ACCESS | ATA | | | | DOOR | REF.
 -------------------------------------------------------------------------------4LJ LIGHT-SERVICE AREA 312 314AL 33-31-00 5LJ LIGHT-SERVICE AREA 311 314AL 33-31-00 6LJ LIGHT-SERVICE AREA 311 315AL 33-31-00 8LJ OUTLET-28 V DC 312 311AL 33-31-00
 10LJ OUTLET-28 V DC 312 314AR 33-31-00
 3. System Description
__________________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-224,
 (Ref. Fig. 002)
R **ON A/C 106-149, 225-299, 301-399, 401-499,
 (Ref. Fig. 002A)

 Service Area Lighting - Component Location
 Figure 001

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 33-31-00Page 2 1201-224, 1May 01/05 1 1 1CES 1

 Service Area Lighting - Component Location
 Figure 001A

R 1EFF : 106-149, 225-299, 301-399, 401-499, 1 33-31-00Page 3 1 1 Aug 01/05 1 1 1CES 1

 Service Area Lighting - Schematic
 Figure 002

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 33-31-00Page 4 1201-224, 1May 01/05 1 1 1CES 1

 Service Area Lighting - Schematic
 Figure 002A

R 1EFF : 106-149, 225-299, 301-399, 401-499, 1 33-31-00Page 5 1 1 Aug 01/05 1 1 1CES 1R **ON A/C ALL

 The lights and outlets are supplied with 28 V DC from busbar 208PP through the circuit breakers 2LJ and 1LJ. Switch 11LJ controls the APU light 6LJ and switch 3LJ controls the two lights 4LJ and 5LJ in Section 19. When busbar 208PP is energized and the circuit breaker 1LJ is closed, power is available at the two maintenance outlets in Section 19.

 SERVICE AREA LIGHTING - ADJUSTMENT/TEST
_______________________________________ TASK 33-31-00-710-001 Operational Test of the Service Area Lighting WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
 1.
 Reason for the Job

__________________
 To make sure that the service area lighting operates correctly.

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  access platform 3 m (9 ft. 10 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
 3. Job Set-Up
__________ Subtask 33-31-00-861-050
 A. Energize the aircraft electrical circuit. (Ref. TASK 24-41-00-861-002)

 Subtask 33-31-00-865-050

 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------
PANEL ------ SERVICE ------------------------------------------------- IDENT. LOCATION------------------------
2001VU LIGHT SEC 19  1LJ  E07
 2001VU LIGHT APU  2LJ  E08
 Subtask 33-31-00-010-050
 C. Get Access
 (1) Put the access platform in position:
 FOR 4LJ, 5LJ
 in Zone 312.
 FOR 6LJ
 below the APU compartment.
 (2) Open the access door:
 FOR 4LJ, 5LJ
 open 312AR.
 FOR 6LJ
 open 315AL.
 4. Procedure_________
 Subtask 33-31-00-710-050
 A. Test of the Service Area Lighting.
 (1) Do this test.

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the section 19 service area:
　
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