12-13-21
 FREQUENCY GENERATOR/CONVERTERS  ú  CONFIG  3
 ú  02  Page 305
 ú  Mar 12/01 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TASK 12-13-21-613-042-003
 4. Fill the VSCF with Oil (Fig. 301)
______________________
 A. General
 (1)  The VSCF sight glass has different ranges for the oil level on the left and right engines. This is because the left and right engines are at different angles.
 B. Special Tools and Equipment
 (1)  
Service Cart - Malabar 53361-2, Malabar Hydraulics Co., 220 West Los Angeles Avenue, Simi Valley, CA 93065

 (2)  
Coupling - OMP2506-3, Ozone Metal Products, 101-32 101st Street, Ozone Park, Long Island, NY 11416

 C. Consumable Materials
 (1)  D00068 Oil - MIL-L-23699, MIL-L-7808, or any oil that agrees with the specifications of CFM56-3 SB79-001.
 NOTE: Refer to the marker on the VSCF to find the oil that is in
____
 the VSCF.

 D. References
 (1)  
24-11-00/101, AC Generator Drive System

 (2)  
71-00-00/201, Power Plant

 (3)  
71-11-02/201, Fan Cowl Panels

 E. 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
 5737L Left Fan Cowl - Engine 2

 F. Add Oil to the VSCF.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. -19 AND ON VARIABLE SPEED CONSTANT ú

 12-13-21
 FREQUENCY GENERATOR/CONVERTERS  ú CONFIG 3 ú 02 Page 306 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 283-043-003
 CAUTION:_______PUT ONLY APPROVED OILS INTO THE GENERATOR DRIVE. OILS THAT ARE NOT APPROVED CAN CAUSE DAMAGE TO THE GENERATOR DRIVE.
 DO NOT MIX OILS OF DIFFERENT TYPES OR BRAND NAMES. SOME OILS WILL CHEMICALLY CHANGE WHEN YOU MIX THEM. THIS CAN CAUSE DAMAGE TO THE GENERATOR DRIVE.
 DO NOT LET ALKALINE CLEANING FLUIDS OR HYDRAULIC FLUID TOUCH THE GENERATOR DRIVE OIL. VERY SMALL QUANTITIES OF THESE FLUIDS CAN CAUSE THE OIL TO CHEMICALLY CHANGE. THIS CAN CAUSE DAMAGE TO THE GENERATOR DRIVE.
 (1) Make sure that you have the correct oil for the VSCF.
 NOTE: If you put an oil that is not approved into the VSCF,
____ drain the oil. Then flush the VSCF oil system with an approved oil.
 To change between approved types of oil, drain all of the
 remaining oil before you add the new oil.
 S 033-044-003
 WARNING:_______DO NOT TOUCH THE OIL SYSTEM PARTS WHEN THEY ARE HOT. THESE
 PARTS STAY HOTTER THAN THE OTHER ENGINE PARTS AFTER AN ENGINE SHUTDOWN. OIL SYSTEM PARTS THAT ARE HOT CAN BURN YOU.
 DO NOT LET THE OIL TOUCH YOUR SKIN FOR A LONG TIME. YOU CAN ABSORB POISONOUS MATERIALS FROM THE OIL THROUGH YOUR SKIN. OIL ON YOUR SKIN CAN CAUSE DERMATITIS AFTER A LONG TIME.
 (2)  Remove the cap from the case pressure-fill valve.
 (3)  S 493-046-003Connect the coupling to the case pressure-fill valve.
 S 823-047-003

 CAUTION: DO NOT USE MORE THAN 40 PSIG TO FILL THE GENERATOR DRIVE WITH
_______ OIL. TOO MUCH PRESSURE CAN CAUSE DAMAGE TO THE GENERATOR DRIVE.
 (4) Set the pressure from the service cart to 5-40 psig.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. -19 AND ON VARIABLE SPEED CONSTANT ú

 12-13-21
 FREQUENCY GENERATOR/CONVERTERS  ú  CONFIG  3
 ú  02  Page 307
 ú  Mar 12/01 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 613-048-003
 CAUTION:_______DO NOT PUT TOO MUCH OIL INTO THE GENERATOR DRIVE. TOO MUCH OIL WILL CAUSE THE GENERATOR DRIVE TO BECOME TOO HOT AND CAUSE DAMAGE TO THE GENERATOR DRIVE.
 (5)  Fill the VSCF with oil:
　
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