R Subtask 24-41-00-865-052
R B. Make sure that this(these) circuit breaker(s) is(are) closed:
R -------------------------------------------------------------------------------R PANEL DESIGNATION IDENT. LOCATION R -------------------------------------------------------------------------------R 122VU ELEC/GCU/2 2XU2 T27 R 122VU ELEC/GCU/1 2XU1 T26 R 123VU GND/PWR/PROT 2XG AB07
R 4. Procedure
_________
R Subtask 24-41-00-710-064
R A. BITE Test of the GAPCU
R NOTE : The actions and the results of this procedure occur on the MCDU
____ R you use.
R -------------------------------------------------------------------------------R ACTION RESULT R -------------------------------------------------------------------------------
R 1. Push the line key adjacent to the R AC GEN indication.
R 2. Push the line key adjacent to the R SYSTEM TEST indication. R
R 3. Push the line key adjacent to the R START TEST indication. R R The EPGS page comes into view.
The EPGS/SYSTEM TEST page with the CONFIRM APU AND ENGINES ARE NOT RUNNING indication come into view.
-The IN PROGRESS 60s indication comes into view
-then the GAPCU TEST PASSED indication comes into view.

R Subtask 24-41-00-710-066 R B. Check of the Class 3 Faults of the GAPCU from the CFDS R NOTE : The actions and the results of this procedure occur on the MCDU
____ R you use.
R -------------------------------------------------------------------------------R ACTION RESULT R -------------------------------------------------------------------------------
R 1. Push the line key adjacent to the R AC GEN indication.
R 2. Push the line key adjacent to the R CLASS 3 FAULTS indication.
R 3. Push the line key adjacent to the R GAPCU indication.
R 5. Close-up
________ R Subtask 24-41-00-860-058 The EPGS page comes into view.
The EGPS CLASS 3 FAULTS page comes into view.
The NO FAULT DETECTED indication comes into view.
R A. Put the aircraft back to its initial configuration.
R (1) On the MCDU, push the line key adjacent to the RETURN indication R until the CFDS menu page comes into view.
R (2) De-energize the aircraft electrical circuits R (Ref. TASK 24-41-00-862-002).

 CONTROL UNIT - GROUND POWER (GPCU OR GAPCU) (1XG,24XG) - REMOVAL/INSTALLATION
_____________________________________________________________________________ R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-228, 301-302,
 TASK 24-41-34-000-001
 Removal of the Ground Power Control Unit (GPCU) (1XG)
 CAUTION : MAKE SURE THAT NO AC OR DC POWER IS CONNECTED TO THE AIRCRAFT

_______
 ELECTRICAL CIRCUITS.
 THERE IS A RISK OF DAMAGE TO EQUIPMENT DURING ITS REMOVAL/
 INSTALLATION IF THE AC OR DC POWER STAYS CONNECTED.

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
 No specific circuit breaker(s) safety clip(s)
 No specific warning notice(s)
 No specific access platform 0.5 m (1 ft. 8 in.)
 No specific access platform 1.6 m (5 ft. 3 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-34-991-001 Fig. 401 3. Job Set-up

__________ Subtask 24-41-34-010-050
 A. Get Access
 (1)
 Put an access platform at the access door 811.

 (2)
 Open the access door 811.

 (3)
 Put an access platform at the access door 121AL.

 (4) Open the access door 121AL. Subtask 24-41-34-941-051
 B. Safety Precautions
 (1)
 Make sure that the external power connector is not connected to the aircraft receptacle.

 (2)
 Put warning notice(s) on the access door 121AL to tell persons not to use the external power receptacle.

 (3)
 In the cockpit, on the overhead ELEC panel 35VU, release these pushbutton switches:

 -BAT 1, BAT 2,
 -APU GEN,
 -GEN 1, GEN 2,
 -EXT PWR.

 (4)
 In the cockpit, put warning notice(s) to tell persons not to operate the pushbutton switches on these overhead panels:
　
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