24-11-11
 ú CONFIG ú 01 Page 419 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 VARIABLE SPEED CONSTANT FREQUENCY GENERATOR/CONVERTER - REMOVAL/INSTALLATION
____________________________________________________________________________
 1.  General_______
 A.  This procedure contains two tasks: removal of the variable speed constant frequency generator/converter (VSCF), and installation of the VSCF generator/converter.
 B.  To remove the VSCF, you must do these steps:
 (1)  
Open the circuit breakers.

 (2)  
Open the left fan cowl panel.

 (3)  
Disconnect the wires, the leads, and the hoses.

 (4)  
Drain the oil from the VSCF case and spline cavity.

 (5)  
Remove the VSCF from the QAD adapter.

 C.  
To install the VSCF, you must do these steps:

 (1)  
Install the VSCF on the QAD adapter.

 (2)  
Connect the hoses, the wires, and the leads.

 (3)  
Fill the VSCF case and spline cavity with oil.

 (4)  
Close the left fan cowl panel.

 (5)  
Close the circuit breakers.

 (6)  
Do a test of the VSCF.

 TASK 24-11-11-004-001-002
 2.  Variable Speed Constant Frequency Generator/Converter - Removal (Fig. 401)_______________________________________________________________
 A.  Special Tools and Equipment
 (1)  
C24002-31 or C24002-39 - Jack Adapter - VSCF Generator/Converter

 (2)  
Transmission Jack - Hein-Werner #54 or #62, Milwaukee #3000 or Lincoln W93718.

 B.  
References

 (1)  
AMM 12-13-21/301, VSCF Oil Servicing

 (2)  
AMM 71-11-02/201, Fan Cowl Panels

 C.  
Access

 (1)  
Location Zones 506 Engine 1 - Accessory Gearbox, 8 o'clock 606 Engine 2 - Accessory Gearbox, 8 o'clock

 (2)  
Access Panels
 5746L Left Fan Cowl - Engine 1
 5846L Left Fan Cowl - Engine 2

 D.  
Prepare to Remove the VSCF.

 S 864-026-002
 (1)  AIRPLANES WITHOUT GENERATOR DRIVE OIL NO. 1 (OR NO. 2) LOW PRESS CIRCUIT BREAKER; For the applicable engine, open these circuit breakers:
 (a)  P6-3 Circuit Breaker Panel:
 1) C313, SEC 1 (or C314, SEC 2)

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 VARIABLE SPEED CONSTANT FREQUENCY  ú 24-11-11
 GENERATOR/CONVERTERS  ú CONFIG 2 ú 01 Page 401 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
2
SEE B
LOCATING PIN
O-RING
O-RING RETAINER
LOCKING
LUGS ON
A 737-300/400/500MAINTENANCE MANUAL 
1 
2  1 
FWD 3 CONVERTER GENERATOR/ GENERATOR/CONVERTER SWIVEL NUT STAYS IN THE LOCKING RING BOSS  (LEFT SIDE) ENGINE  SEE A ACCESSORY GEARBOX 
MOUNTING PAD QUICK-ATTACH-DETACH (QAD) LOCKING RING ADAPTER PLATE  BRACKET  LUG BOLT 

GENERATOR  LOCKBOLT
RETAINER

O-RING CENTERLINE OF
RETAINER THE LOCATING
FWD PIN
QAD ADAPTER
A  O-RING
GASKETS
AIRPLANES WITH -14 VSCF GENERATOR/CONVERTER
1
AIRPLANES WITH -15 AND -16 VSCF GENERATOR/CONVERTER B
2
AIRPLANES WITH -19 AND ON VSCF GENERATOR/CONVERTER
3
Installation of the Variable Speed Constant Frequency Generator/Converter Figure 401
A98736
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 VARIABLE SPEED CONSTANT FREQUENCY  ú 24-11-11
 GENERATOR/CONVERTERS  ú CONFIG 2 ú 02 Page 402 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 2) C294, GENERATOR DRIVE OIL NO. 1 TEMP (or C295, GENERATOR DRIVE OIL NO. 2 TEMP) 3) C466, NO. 1 CSD CONT (or C467, NO. 2 CSD CONT)
 S 864-027-002
 (2)  AIRPLANES WITH GENERATOR DRIVE OIL NO. 1 (OR NO. 2) LOW PRESS CIRCUIT BREAKER; For the applicable engine, open these circuit breakers:
　
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