C.
Procedure

 S 424-010
 (1)  
Install the current transformer with the mounting fasteners.

 S 434-012

 (2)  
Install the electrical wires:

 CAUTION: MAKE SURE THE WIRES GO THROUGH THE CORRECT HOLES IN THE
_______ CURRENT TRANSFORMER. AN INCORRECT INSTALLATION CAN CAUSE A CIRCUIT MALFUNCTION.
 (a)  
Put the wires through the correct holes in the current transformer.

 (b)  
Attach the wires to the component that you removed them from.

 (c)  
Remove the identification tags.

 S 434-009
 (3)  
Connect the electrical connector to the current transformer.

 S 414-014

 (4)  
Close the access panel(s):

 (a)  
For T1, close the fan cowl panel (Ref 71-11-02/201).

 (b)  
For T2, install the APU lower shroud: 1) Hold the lower shroud against the higher shroud. 2) Close the shroud latches. 3) Disconnect the door support rods. 4) Close the APU cowl door. 5) Close the latches for the APU cowl door.

 (c)  
For T4, close the P6-11 panel and tighten the screws on the inboard edge of the panel.

 (d)  
For T5, close the P6-12 panel and tighten the screws on the inboard edge of the panel.

 (e)  
For T7, T8, or T9, close the electronic compartment access door.

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A 737-300/400/500MAINTENANCE MANUAL
 (5)  S 714-013Do this task:  "AC Generation System Test" (Ref 24-21-00/501).

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A
737-300/400/500MAINTENANCE MANUAL
 GENERATOR CONTROL UNIT - REMOVAL/INSTALLATION
_____________________________________________
 1. General
_______
 A. This procedure contains two tasks:
 (1)  
The removal of the generator control unit (refer to as the GCU).

 (2)  
The installation of the generator control unit.

 B.
The generator control unit is found on the P6 panel.

 TASK 24-21-81-004-001
 2. Generator Control Unit Removal
______________________________
 A. References
 (1)  
20-10-07/201, Electrical/Electronic Black Box

 (2)  
24-22-00/201, Manual Control

 B.
Access

 (1)  
Location Zone
 102 Control Cabin - Right

 C.
Procedure

 S 864-006
 CAUTION: REMOVE THE ELECTRICAL POWER FROM THE AIRPLANE BEFORE YOU REMOVE
_______ THE GCU. YOU CAN CAUSE DAMAGE TO THE CURRENT TRANSFORMER OR THE GCU IF YOU DO NOT REMOVE THE ELECTRICAL POWER.
 (1)  
Remove all the electrical power from the airplane
 (Ref 24-22-00/201).

 (2)  
Remove the GCU (Ref 20-10-07/201).

 S 024-003
 TASK 24-21-81-404-007
 3. Generator Control Unit Installation
___________________________________
 A. References
 (1)  
20-10-07/201, Electrical/Electronic Black Box

 (2)  
24-21-81/501, Generator Control Unit

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 B.  Access
 (1)  Location Zone
 102 Control Cabin - Right
　
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