(2)
Install the washers (3) and the screws (4) and then tighten the screws.
(3)
Remove the blanking caps from the electrical connectors (1) and (5).
(4)
Make sure that the electrical connectors are clean and in the correct condition.
(5)
Connect the electrical connector (1).
Subtask 24-51-51-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-
FOR 15XN1
5XN1,
-
FOR 15XN2
5XN2.
Subtask 24-51-51-710-050
C. Operational Test of the Autotransformer
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
FOR 15XN1
(a)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
(b)
Get the HYD page.
(c)
Make sure that there is no cross on the HYDRAULIC quantity indications.
(d)
Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).
(3)
FOR 15XN2
(a)
On the ADIRS CDU, put the OFF/NAV/ATT selector switch of the ADIRU 2 in NAV position.
(b)
Make sure that the FAULT legend on the ADR 2 pushbutton switch does not remain on.
5. Close-up
________ Subtask 24-51-51-862-050
A. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
Subtask 24-51-51-410-050
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the warning notice(s).
(3)
Install the panel (6) which gives access to panel 122VU.
(4)
Close the access door 121AL.
(5)
Remove the access platform(s).
CONTACTOR (12XN) - REMOVAL/INSTALLATION
_______________________________________
TASK 24-51-55-000-001
Removal of the AC Service Bus Normal Supply Contactor (12XN)
WARNING : MAKE SURE THAT NO AC OR DC POWER IS CONNECTED TO THE AIRCRAFT
_______
ELECTRICAL CIRCUITS.
THERE IS A RISK OF ELECTROCUTION 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 circuit breaker(s) safety clip(s)
No specific warning notice(s)
No specific access platform 0.5 m (1 ft. 8 in.)
B. Referenced Information -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------25-11-41-000-001 Removal of the Third Occupant Seat **ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
24-51-55-991-001 Fig. 401 R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
24-51-55-991-001-A Fig. 401A **ON A/C ALL
3. Job Set-up
__________ Subtask 24-51-55-010-050
A. Get Access
(1)
Remove the Third Occupant seat (Ref. TASK 25-11-41-000-001).
(2)
Remove the front panel (8) of the panel 123VU.
(3)
Put the access platform in position at the access door 121AL.
(4) Open the access door 121AL. Subtask 24-51-55-860-050
B. Safety Precautions
(1)
Make sure that the external power connector is not connected to the aircraft EXT PWR receptacle.
(2)
Put warning notice(s) in position on the access door 121AL to tell persons not to connect the external power connector to the aircraft EXT PWR receptacle.
(3)
In the cockpit, on the ELEC panel 35VU, make sure that these pushbutton switches are released:
-BAT 1, BAT 2,
-APU GEN,
-GEN 1, GEN 2,
-EXT PWR.
(4)
In the cockpit, put warning notice(s) in position to tell persons not to operate the pushbutton switches on these overhead panels:
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：A320飞机维护手册 AMM ELECTRICAL POWER 电源2(120)
