Variable Speed Constant Frequency Generator/Converter
Figure 2 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -19 AND -20 VSCF ú
24-11-00
GENERATOR/CONVERTER ú CONFIG 2
ú 04 Page 6
ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L38120
A 737-300/400/500MAINTENANCE MANUAL
CURRENT
TRANSFORMER
LEADS
POWER AND
NEUTRAL
TERMINALS
MAIN
CONNECTOR
BIT
BUTTONS CASE
PRESSURE-FILL
VALVE
EXCITATION
LEADS
INPUT
SHAFT
VACUUM
BREAK
VALVE
COOLING
AIR SIGHT
INLET VSCF GLASS
GENERATOR/
CONVERTER
CASE BIT SPLINE CAVITY
COOLING AIR DRAIN PLUG OIL OUT PORT INSTRUCTION PLATE PRESSURE-FILL VALVE
EXHAUST IDENTIFICATION
PLATE
Variable Speed Constant Frequency Generator/Converter
Figure 2 (Sheet 4)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -23 AND -24 VSCF ú
24-11-00
GENERATOR/CONVERTER ú CONFIG 2
ú 02 Page 7
ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L38121
A 737-300/400/500MAINTENANCE MANUAL
MAIN
CONNECTOR
GCCU
CT/EMI FILTER
AC FILTER
OUTLET AIR DC FILTER
DUCT BIT
SWITCH
OIL PUMP
GENERATOR
HEAT EXCHANGER
GEARBOX FWD
INVERTER
DOWN
Components of the Variable Speed Constant Frequency Generator/Converter Figure 3 (Sheet 1)
L38122
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -14 THROUGH -16 VSCF ú
24-11-00
ú CONFIG ú 04 Page 8 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
MAIN
CONNECTOR
GCCU
CT/EMI FILTER
AC FILTER
OUTLET AIR DC FILTER
DUCT BIT
SWITCH
OIL PUMP
GENERATOR
OIL SUMP TANK
GEARBOX FWD
INVERTER
DOWN
Components of the Variable Speed Constant Frequency Generator/Converter Figure 3 (Sheet 2)
L38124
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -19 AND ON VSCF ú
24-11-00
ú CONFIG ú 02 Page 9 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
3. Oil Cooler
__________
A. The oil cooler uses cool air from the engine fan to remove the heat from the oil in the VSCF. The oil cooler is external to the VSCF. It operates together with the heat exchanger to keep the VSCF cool.
B. The oil cooler is on the fan case at the 5 o'clock position.
4. Line Oil Filter
_______________
A. The line oil filter collects contamination from the oil. This prevents damage to the VSCF and the oil cooler.
B. The line oil filter has a pop-out button. The pop-out button extends when the oil pressure becomes too high. This is an indication that the oil filter element is full of contamination and will not let the oil flow through it.
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