J.P. Instruments EDM 930 Primary Primary Installation Manual User Manual
Page 16
FAA Approved Installation Manual for the
Report No 908
EDM-900 and EDM-930
Page 16 of 50 Rev J
Primary Engine Data Management System Date 5-24-14
18.1
Alternate method of installation keeping the original sensors in the aircraft operational
The oil pressure sensor should tee off the oil pressure line feeding the original aircraft gauge or the oil pressure
switch is removed and the sender is installed in that location.
19. Fuel Pressure Sensor Installation using combination sensor
Use the J5 connector harness 790723.
Mount the pressure sensor to the pressure line using a flexible hose and fittings (not supplied) as depicted in the
drawing below. Use Aluminum Clamps MS21919WDG25, or WDG14 to mount the pressure sensor to engine
mount structure or firewall. Do not mount the sensor’s directly to the engine. Connect the other end of the hose to
the existing pressure line. Later, you will connect the pressure sensor to the three pressure sensor wires through
the supplied 3-pin connector. i2s sensor PN 159935A Normally Aspirated or Turbo-Normalized or PN 159938 for
turbocharged. Fuel pressure sensors are only supplied if the POH requires it. If not in the POH Fuel pressure can
be supplied at additional cost