Subtask 24-41-51-410-050
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)
Close the access door 811.
(4)
Close the access door 121AL.
(5)
Remove the access platform(s).
CONTACTOR (3XG) - REMOVAL/INSTALLATION
______________________________________
TASK 24-41-55-000-001
Removal of the External Power Contactor (EPC)
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 blanking caps
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,
24-41-55-991-001 Fig. 401 R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
24-41-55-991-001-A Fig. 401AR **ON A/C ALL
3. Job Set-up
__________
Subtask 24-41-55-010-050
A. Get Access
(1)
Remove the third occupant seat (Ref. TASK 25-11-41-000-001).
(2)
In the cokpit, remove the access panel (8) from the bottom left side of the panel 120VU.
(3)
Put an access platform at the access door 121AL.
(4) Open the access door 121AL.
Subtask 24-41-55-941-050
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:
-21VU (EMER ELEC PWR),
-35VU (ELEC).
(5)
In the cockpit, on the APU section of the overhead panel 25VU, put warning notice(s) to tell persons not to start the APU.
4. Procedure
_________
**ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
(Ref. Fig. 401/TASK 24-41-55-991-001) R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 24-41-55-991-001-A)
**ON A/C ALL
Subtask 24-41-55-020-050
A. Removal of the Contactor CAUTION : REMOVE THE CONTACTOR ONLY AND NOT THE BASE OR THE MODULE WHERE
_______
THE WIRES ARE CONNECTED.
(1)
Disconnect the electrical connector (1).
(2)
Put blanking caps on the disconnected electrical connectors.
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