(a)
The green range indicates that no servicing is required.
(b)
The red range indicates that servicing is required immediately.
(c)
The yellow range indicates that the oil level is acceptable but servicing is recommended at the earliest opportunity.
(2)
Leakage of the seal in the VSCF will let oil flow from the VSCF to the spline cavity. The input shaft seal can be defective if either of these indications occur after you fill the VSCF with oil:
(a)
The oil level in the VSCF decreases while the oil level in the spline cavity increases.
(b)
The oil level in the VSCF increases while the oil level in the spline cavity decreases.
B. References
(1) 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
5737L Left Fan Cowl - Engine 2
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. -19 AND ON VARIABLE SPEED CONSTANT ú
12-13-21
FREQUENCY GENERATOR/CONVERTERS ú CONFIG 3 ú 01 Page 301 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CASE PRESSURE-FILL VALVE
GENERATOR/ CONVERTER
SEE A
ACCESSORY VACUUM
GEAR BOX BREAK
VALVE
SIGHT
SPLINE CAVITY GLASS
DRAIN FITTING SEE C
AND CAP
CASE DRAIN PLUG SEE B SPLINE CAVITY PRESSURE-FILL
CAVITY DRAIN 1 A VALVE
PLUG
ENGINE
(LEFT SIDE)
SPLINE
OIL LEVEL CAVITY
WHEN FILLED VENT HIGH
NORMAL
STAND-
PIPE ACCESSORY GEARBOX
OIL LEVEL RANGE (RIGHT ENGINE)
NORMAL
LOW
OIL LEVEL
RANGE
SPLINE CAVITY (LEFT ENGINE) LEFT ENGINE ENGINE RIGHT
DRAIN FITTING SCALE SCALE
CAP
SPLINE CAVITY
DRAIN FITTING
SPLINE CAVITY
SIGHT GLASS
B
1 ON -19 AND -20 VSCF C
Generator/Converter and Spline Cavity Servicing
Figure 301 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. -19 AND ON VARIABLE SPEED CONSTANT ú
12-13-21
FREQUENCY GENERATOR/CONVERTERS ú CONFIG 3
ú 01 Page 302
ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
E84325
A
737-300/400/500MAINTENANCE MANUAL
CASE PRESSURE-FILL VALVE
GENERATOR/ CONVERTER
SEE D
ACCESSORY VACUUM
GEAR BOX BREAK
VALVE
SIGHT
SPLINE CAVITY GLASS
DRAIN FITTING SEE F
AND CAP
CASE DRAIN PLUG SEE E SPLINE CAVITY PRESSURE-FILL
CAVITY DRAIN 2 D VALVE
PLUG
ENGINE
(LEFT SIDE)
SPLINE
OIL LEVEL CAVITY
WHEN FILLED VENT HIGH
NORMAL
STAND-
PIPE ACCESSORY GEARBOX
OIL LEVEL RANGE (RIGHT ENGINE)
NORMAL
LOW
OIL LEVEL
RANGE
SPLINE CAVITY (LEFT ENGINE) LEFT ENGINE ENGINE RIGHT
DRAIN FITTING SCALE SCALE
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