Part Number: MSP678
- Rotate speed sensor,
- speed sensor,
- generator sensors
- Item: MSP678
- Pickup Length: 5.00"
- Thread Length: 4.75"
- Overall Length: 6.125"
- Thread Size: 5/8-18 UNF-2A
- Drill Size: 37/64
*The magnetic speed sensor indicates when ring gear teeth, or other ferrous projections, pass the tip of the sensor.
*Electrical impulses are induced within the coil and sent to the speed control unit. The signal from the magnetic speed Sensor, teeth per second(HZ), is directly proportional to engine speed.
*The magnetic speed sensor is mounted in the ring gearcase or flywheel bell housing of the engine.
*The threaded hole for the speed sensor should be perpendicular to the centerline of the crankshaft and centered over the ring gear teeth.
*A spot face should be present to provide a flat surface on which to anchor the lock nut.
*With the engine stopped, screw the speed sensor in until it touches a gear tooth, then back it out 3/4 of a turn and secure it with the lock nut.
*Any ferrous gear may be used as long as the frequency and amplitude of the resulting signal meet the speed control unit specifications
*The wire leads should be twisted for their entire length from the magnetic speed sensor to the control unit.
*The leads may need shielding if they are longer than 10ft. (3m), or if external interference is present.
*Do not connect either of the speed sensors leads to anything but the speed control unit used. The shield should not be connected at the speed sensor end.
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