Subtask 24-43-55-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU ELEC/DC SVCE/BUS/ON TR2 5PX U30 124VU SVCE/601PP/602PP/SPLY 1PX BB01
4. Procedure
_________
**ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
(Ref. Fig. 401/TASK 24-43-55-991-001) R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 24-43-55-991-001-A)
**ON A/C ALL
Subtask 24-43-55-020-050
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 (4).
(2)
Put blanking caps on the disconnected electrical connector (4) and the electrical receptacle.
(3)
Loosen the captive screws (2). NOTE : Do not remove the captive screws (2) and the spring washers
(4)
Remove the contactor (3).
____
from the contactor (3).
Contactor
Figure 401/TASK 24-43-55-991-001
R 1EFF : 001-049, 051-062, 101-105, 151-152, 1 24-43-55Page 404 1201-205, 1May 01/05 1 1 1CES 1
Contactor Figure 401A/TASK 24-43-55-991-001-A
R 1EFF : 063-099, 106-149, 153-199, 206-299, 1 24-43-55Page 405 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1
TASK 24-43-55-400-001
Installation of the DC Service Bus Ground Supply Contactor (3PX)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notice
No specific Torque Wrench : range 5.00 to 35.00 lbf.in
(0.05 to 0.40 m.daN)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
the External Power
25-11-41-000-001 Removal of the Third Occupant Seat
25-11-41-400-001 Installation of the Third Occupant Seat
**ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
24-43-55-991-001 Fig. 401 R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
24-43-55-991-001-A Fig. 401A **ON A/C ALL
3. Job Set-up
__________
Subtask 24-43-55-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the access platform is in position at the access door 121AL.
(2)
Make sure that the access door 121AL is open.
(3)
Make sure that the external power connector is not connected to the aircraft receptacle.
(4)
Make sure that on the access door 121AL there is a warning notice to tell persons not to connect the external power connector.
(5)
In the cockpit, on the overhead panel 35VU, make sure that these pushbutton switches are released:
-BAT 1, BAT 2,
-APU GEN,
-GEN 1, GEN 2,
-EXT PWR.
(6)
Make sure that there is a warning notice in the cockpit to tell persons not to operate the pushbutton switches on these overhead panels:
-21VU (EMER ELEC PWR),
-35VU (ELEC).
(7)
In the cockpit, on the APU section of the overhead panel 25VU, make sure that a warning notice is in position to tell persons not to start the APU.
(8)
In the cockpit, make sure that the third occupant seat is removed (Ref. TASK 25-11-41-000-001).
(9)
In the cockpit, make sure that the front panel is removed from the bottom right side of the panel 120VU.
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