Subtask 24-23-55-020-051
 B. Removal of the Contactor Base CAUTION : MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU
_______ DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
 NOTE : The removal of the base is necessary only if the base is damaged.
____
 (1)
 If the base has the components that follow:

 (a)
 Remove the screws (9) and the washers (10).

 (b)
 Disconnect the electrical wires (11).

 (2)
 Remove the nuts (12) and the washers (13).

 Contactor Figure 401A/TASK 24-23-55-991-001-A
R 1EFF : 063-099, 106-149, 153-199, 206-299, 1 24-23-55Page 405 1301-399, 401-499, 1Aug 01/05 1 1 1CES 1

 (3)
 Disconnect the cables (14) from the base (6).

 (4)
 Remove the nuts (15) and the washers (16).

 (5)
 Remove the jumpers (17) from the base (6) and from the adjacent bases.

 (6)
 Remove the four screws (19) and the four washers (18).

 (7) Remove the base (6). R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
 Subtask 24-23-55-020-051-A
 B. Removal of the Contactor Module CAUTION : MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU
_______ DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
 NOTE : The removal of the module is necessary only if the module is
____
 damaged.

 (1)
 If the module has the components that follow:

 (a)
 Remove the screws (9) and the washers (10).

 (b)
 Disconnect the electrical wires (11).

 (2)
 Remove the nuts (12) and the washers (13).

 (3)
 Disconnect the cables (14) from the module (5).

 (4)
 Remove the nuts (19) and the washers (18).

 (5)
 Remove the jumpers (17) from the module (5) and from the adjacent modules.

 (6)
 Remove the eight screws (16) and the eight washers (15).

 (7)
 Remove the module (5).

 **ON A/C ALL
 TASK 24-23-55-400-001
 Installation of the APU GLC (3XS)
 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 warning notices R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-21-15-912-001 Tightening Torques for Electrical Component Fasteners 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the APU 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the APU
 25-11-41-000-001 Removal of the Third Occupant Seat
 25-11-41-400-001 Installation of the Third Occupant Seat
 31-60-00-860-001 EIS Start Procedure
 31-60-00-860-002 EIS Stop Procedure

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
**ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
 24-23-55-991-001 Fig. 401

R **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
 24-23-55-991-001-A Fig. 401A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 24-23-55-860-051
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the external power connector is not connected to the aircraft EXT PWR receptacle.

 (2)
 Make sure that the warning notice(s) are 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:
　
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