-in the adjacent area:
. projections of black or/and white spots.
(2) Replace the lightning protection module if at least one of these damages is found (Ref. TASK 24-22-51-000-001) and (Ref. TASK 24-22-51-400-001).
5. Close-up
________ Subtask 24-22-51-410-051
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
In the cockpit, on the rear panel 120VU, close the panel which gives access to the AC power center 123VU.
(3)
Install the Third Occupant seat (Ref. TASK 25-11-41-400-001).
(4)
Remove the warning notice(s).
(5)
Close the access door 121AL.
(6)
Remove the access platform(s).
CONTACTOR (9XU1,9XU2,11XU1,11XU2) - REMOVAL/INSTALLATION
________________________________________________________
TASK 24-22-55-000-001
Removal of the Contactors (9XU1, 9XU2, 11XU1, 11XU2)
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 notices
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,
24-22-55-991-001 Fig. 401 R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
24-22-55-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 24-22-55-010-050
A. Get Access
(1)
Remove the Third Occupant seat (Ref. TASK 25-11-41-000-001).
(2)
On the L lower side of the panel 120VU, remove the access door (8).
(3)
Put the access platform in position at the access door 121AL.
(4) Open the access door 121AL.
Subtask 24-22-55-860-051
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 notices in position to tell persons not to operate the pushbutton switches on these overhead panels:
-21VU (EMER ELEC PWR section),
-25VU (APU section),
-35VU (ELEC).
4. Procedure
_________ R **ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
(Ref. Fig. 401/TASK 24-22-55-991-001)
Contactors
Figure 401/TASK 24-22-55-991-001
R 1EFF : 001-049, 051-062, 101-105, 151-152, 1 24-22-55Page 403 1201-205, 1May 01/05 1 1 1CES 1R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
(Ref. Fig. 401A/TASK 24-22-55-991-001-A)
**ON A/C ALL
Subtask 24-22-55-020-050
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 connector (1) and the electrical receptacle (7).
(3)
Loosen the captive screws (2). NOTE : Do not remove the captive screws (2) and the spring washers
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