MOONEY INTERNATIONAL CORPORATION
M20V SERVICE AND MAINTENANCE MANUAL
Date
MAR 2017
Rev Date
Page
6
79-30-00 - INDICATING
79-30-01 - OIL PRESSURE
Oil pressure indicating is provided through a pressure
transducer plumbed into engine oil system, see (Figure
79- 2).
Pressure variations change resistance within transduc-
er and this signal interfaces with the Garmin G1000
GEA 71 Engine/Airframe unit to indicate oil pressure.
Refer to 79-50-00 Oil System Troubleshooting chart
below and Garmin System Maintenance Manual for
additional system description, service and trouble-
shooting instructions.
OIL PRESSURE
TRANSDUCER
MANIFOLD
TRANSDUCER
PRESSURE
OIL PRESSURE TRANSDUCER
FIGURE 79- 2
79-30-02 - OIL TEMPERATURE
The oil temperature gauge is an electric unit receiving
its signal from a temperature bulb, located below oil
cooler. The probe resistance changes as oil tempera-
ture changes and this varies readout on the Garmin
G1000 display.
79-40-00 - TRANSDUCER TEST PROCEDURES
Analog data is supplied from the engine/airframe trans-
ducers to the GEA 71 Engine/Airframe Unit where it is
converted to a digital signal. The digital information is
then sent through primary and back- up data paths to
the cockpit display.
79-30-00
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