engine maintenance chapter 8 marine engine controls, instruments and alarms

Download Engine Maintenance Chapter 8 Marine Engine Controls, Instruments and Alarms

Post on 12-Jan-2016




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  • Engine MaintenanceChapter 8Marine Engine Controls, Instruments and Alarms

  • Objectives for the StudentHave knowledge of throttle controls used to regulate the speed of the boat

    Have an understanding of transmission controls used to put the boat into motion

    Have an understanding of how the various instruments and alarms available at the helm are used to monitor performance of the engine and the various associated systems

  • Throttle ControlsLever and Rodsimplest system uses a stiff rod to actuate the throttlePush-Pull Wire and Cablecable bound in a flexible sheathcan be snaked to remote locations

    Example of a Push-Pull Throttle / Shift

  • Throttle / Transmission ControlsPush-Pull Wire and CableSeparate Controls for Throttle and TransmissionHydraulic on Larger Vessels

  • Engine InstrumentsPressure GaugeTemperature Gauge

  • Engine InstrumentsTachometerFuel Gauge

  • Engine InstrumentsCharging Indicator (voltmeter)Hour Meter

  • Engine InstrumentsSynchronizer

  • Other IndicatorsRudder Positionused to indicate rudder positionuseful when steerageway is limitedTrim Angle Indicatorused to determine boats attitude (pitch)Trim Tab Position Indicatorshelps determine tab position, and relative position of port and starboard tabs

  • AlarmsMust be visible and audible to the operatorMust work off of available currentmodifications may require help of a service technicianReadily available on the aftermarket

  • AlarmsBilge Flooding Alarmseasily hooked into bilge pump circuitEngine Alarmscan be used to alert many conditionslow oil pressurehigh coolant temperaturecharging stateCO DetectorSmoke Alarm


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