Rpm Sensor Installation - JPI EGT-701 Installation Manual

FAA APPROVED
INSTALLING THE EGT-701 SCANNER®

15) RPM Sensor installation

There are four types of magnetos commonly in use. You must have the correct RPM sensor for the magneto installed
in the aircraft. The following part numbers apply: Slick – pressurized 4000, -6000 series use JPI P/N 420809. For the
Bendix pressurized -1200 series use P/N 420807. Dual magnetos use JPI PN 420808. For the Bendix -20 series and
Slick 600 use JPI P/N 420806. Mount the sensor as shown in the appropriate diagram below. Note: this is eligible for
installation on all 4 & 6 cylinder engines only.
Bendix Magnetos
Bendix -20, -21, -200, 1200 series
non-pressurized
Bendix Dual Magneto
INSTALLATION MANUAL FOR THE EGT-701 Report 103
Connector to harness
JPI 420815-2
Mount sensor side of bracket towards
magneto body, positioned over the magnet
armature
position limit
position limit
Connector to harness
Alternate bracket locations
Bendix 1200 series
pressurized
JPI 420807
Mount sensor side of bracket towards
magneto body
JPI PN 420808
non-pressurized
1/20/09
Slick Magnetos
Slick 6000, 4000 series
non-pressurized
Mount sensor side of bracket towards
magneto body
Alternate bracket location
Slick 6000, 4000 series
Vent plug
Spacer ring
Sensor ring bracket
Magneto body
Sensor must be over
moving magnet armature
rev Dec 2010
Rev-E Page 13 of 30
Connector to harness
JPI 420815-1
Sensor ring munted under vent plug.
Stem at right angles to magneto center line
Connector to harness
pressurized
JPI 420809
Remove this screw
to mount sensor
bracket
Slick 600 series
JPI PN 420806
non-pressurized