(c)  
Remove and discard the gaskets.

 (d)  
Remove the sight glass.

 NOTE: Pull the sight glass loose with a tool that has a nylon
____
 point if it is necessary.

 (e)  Remove and discard the gasket.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 VARIABLE SPEED CONSTANT FREQUENCY  ú 24-11-51
 GENERATOR/CONVERTERS  ú CONFIG 2 ú 01 Page 403 ú Nov 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 114-005-002
 (4) Clean the sight glass with a soft brush and solvent.
 TASK 24-11-51-404-006-002
 3.  VSCF Sight Glass Installation (Fig. 401)_____________________________
 A. Consumable Materials
 (1)
D00046 Lubricant - Silicone Grease, Dow Corning No. 4

 (2)
D00279 Lubricant - Grease, Mobilgrease 28

 B. References
 (1)
AMM 12-13-21/301, VSCF Generator/Converter

 (2)
AMM 71-00-00/201, Power Plant

 (3)
AMM 71-11-02/201, Fan Cowl Panels

 C. Access
 (1)  
Location Zone
 504 Engine No. 1, LH
 604 Engine No. 2, LH

 (2)  
Access Panel
 5738L Thrust Reverser Cowl Assembly
 5739L Thrust Reverser Cowl Assembly

 D. Procedure
 S 414-007-002
 CAUTION:_______MAKE SURE THE VSCF AREA IS ALWAYS CLEAN. A DIRTY SYSTEM CAN CAUSE DAMAGE TO THE VSCF.
 (1) Install the sight glass.
 (a)
Install the new gasket to the sight gauge cover.

 (b)
Apply a thin layer of grease to the two sides of the gaskets.

 (c)
Install the two gaskets (one on each side) on the sight glass.

 (d)
Install the gaskets, glass and sight gauge cover on the VSCF.

 (e)
Install the screws into the sight gauge cover.

 (f)
Tighten the screws to 9-11 pound-inches.

 S 614-008-002
 (2) Fill the VSCF with oil (AMM 12-13-21/301).
 E. Examine the sight glass installation for leaks.
 S 864-009-002
 (1)
Motor the engine (AMM 71-00-00/201).

 (2)
Examine the sight glass installation for leaks.

 S 214-010-002
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 VARIABLE SPEED CONSTANT FREQUENCY  ú 24-11-51
 GENERATOR/CONVERTERS  ú CONFIG 2 ú 01 Page 404 ú Nov 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 414-011-002
 (3) Close the cowl panel (AMM 71-11-02/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 VARIABLE SPEED CONSTANT FREQUENCY  ú 24-11-51
 GENERATOR/CONVERTERS  ú CONFIG 2 ú 01 Page 405 ú Nov 15/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 VARIABLE SPEED CONSTANT FREQUENCY BIT MODULE - REMOVAL/INSTALLATION
___________________________________________________________________
 1.  General_______
 A. This procedure contains two tasks:
 (1)  
The removal of the BIT module from the variable speed constant frequency Generator/Converter (Refer to as the VSCF).

 (2)  
The installation of the BIT module on the VSCF.

 TASK 24-11-71-004-001
 2.  VSCF BIT Module Removal (Fig. 401)_______________________
 A. References
 (1)  
AMM 71-11-02/201, Fan Cowl Panels

 B.
Access

 (1)  
Location Zone
 504 Engine No. 1, LH
 604 Engine No. 2, LH

 (2)  
Access Panel
 5738L Thrust Reverser Cowl Assembly
 5739L Thrust Reverser Cowl Assembly
　
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