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Guardian Quietpact 75 Manuals

Manuals and User Guides for Guardian Quietpact 75

We have 1 Guardian Quietpact 75 manual available for free PDF download: Repair Manual

  • Guardian Quietpact 75 Repair Manual (92 pages)

    Generac power systems recreational vehicle generator repair manual

    Table of contents
    Table Of Contents3................................................................................................................................................................
    MAGNETISM5................................................................................................................................................................
    ELECTROMAGNETIC FIELDS5................................................................................................................................................................
    ELECTROMAGNETIC INDUCTION5................................................................................................................................................................
    A SIMPLE AC GENERATOR6................................................................................................................................................................
    A MORE SOPHISTICATED AC GENERATOR6................................................................................................................................................................
    FIELD BOOST8................................................................................................................................................................
    GENERATOR AC CONNECTION SYSTEM8................................................................................................................................................................
    ROTOR ASSEMBLY10................................................................................................................................................................
    STATOR ASSEMBLY10................................................................................................................................................................
    BRUSH HOLDER11................................................................................................................................................................
    BATTERY CHARGE COMPONENTS11................................................................................................................................................................
    EXCITATION CIRCUIT COMPONENTS11................................................................................................................................................................
    CRANKCASE BREATHER12................................................................................................................................................................
    PROBLEM12................................................................................................................................................................
    EFFECTS OF DIRT AND MOISTURE14................................................................................................................................................................
    INSULATION RESISTANCE TESTERS14................................................................................................................................................................
    DRYING THE GENERATOR14................................................................................................................................................................
    CLEANING THE GENERATOR14................................................................................................................................................................
    TEST14................................................................................................................................................................
    STATOR INSULATION RESISTANCE15................................................................................................................................................................
    TESTING ROTOR INSULATION16................................................................................................................................................................
    THE MEGOHMMETER16................................................................................................................................................................
    METERS17................................................................................................................................................................
    MEASURING AC VOLTAGE17................................................................................................................................................................
    MEASURING DC VOLTAGE17................................................................................................................................................................
    MEASURING AC FREQUENCY18................................................................................................................................................................
    MEASURING CURRENT18................................................................................................................................................................
    MEASURING RESISTANCE18................................................................................................................................................................
    ELECTRICAL UNITS19................................................................................................................................................................
    OHM'S LAW19................................................................................................................................................................
    INTRODUCTION20................................................................................................................................................................
    OPERATIONAL ANALYSIS20................................................................................................................................................................
    ENGINE CONTROLLER CIRCUIT BOARD26................................................................................................................................................................
    BATTERY26................................................................................................................................................................
    AMP FUSE27................................................................................................................................................................
    FUEL PRIMER SWITCH27................................................................................................................................................................
    START-STOP SWITCH27................................................................................................................................................................
    STARTER CONTACTOR RELAY STARTER MOTOR28................................................................................................................................................................
    Check No-Load Voltage And Frequency40................................................................................................................................................................
    Check Engine Governor40................................................................................................................................................................
    Test Excitation Circuit Breaker41................................................................................................................................................................
    Fixed Excitation Test/Rotor Amp Draw41................................................................................................................................................................
    Wire Continuity42................................................................................................................................................................
    Check Field Boost43................................................................................................................................................................
    Test Stator DPE Winding43................................................................................................................................................................
    Check Sensing Leads/Power Windings44................................................................................................................................................................
    Check Brush Leads45................................................................................................................................................................
    Check Brushes & Slip Rings45................................................................................................................................................................
    Check Rotor Assembly46................................................................................................................................................................
    Check Main Circuit Breaker46................................................................................................................................................................
    Check Load Voltage & Frequency47................................................................................................................................................................
    Check Load Watts & Amperage47................................................................................................................................................................
    Check Battery Charge Output47................................................................................................................................................................
    Check Battery Charge Rectifier47................................................................................................................................................................
    Check Battery Charge Windings Battery Charge Resistor48................................................................................................................................................................
    ENGINE WILL NOT CRANK49................................................................................................................................................................
    Try Cranking the Engine49................................................................................................................................................................
    Test Primer Switch49................................................................................................................................................................
    Check Fuel Pump50................................................................................................................................................................
    Check 7.5 Amp Fuse51................................................................................................................................................................
    Check Battery & Cables51................................................................................................................................................................
    Check Power Supply to Circuit Board51................................................................................................................................................................
    Check Start-Stop Switch52................................................................................................................................................................
    Check Power Supply to Wire 5653................................................................................................................................................................
    Check Starter Contactor Relay53................................................................................................................................................................
    TEST 26A Check Starter Contactor54................................................................................................................................................................
    Check Starter Motor54................................................................................................................................................................
    Check Fuel Supply56................................................................................................................................................................
    Check Wire 14 Power Supply58................................................................................................................................................................
    Check Wire 1858................................................................................................................................................................
    Check Ignition Spark59................................................................................................................................................................
    Check Spark Plugs61................................................................................................................................................................
    Check and Adjust Ignition Magnetos61................................................................................................................................................................
    Check Valve Adjustment63................................................................................................................................................................
    Check Carburetion64................................................................................................................................................................
    Check Choke Solenoid64................................................................................................................................................................
    Check Engine / Cylinder Leak Down Test Compression Test66................................................................................................................................................................
    Check Oil Pressure Switch67................................................................................................................................................................
    Test Oil Temperature Switch67................................................................................................................................................................
    Test Choke Heater68................................................................................................................................................................
    Check LPG Fuel Solenoid68................................................................................................................................................................
    MAJOR DISASSEMBLY70................................................................................................................................................................
    Enclosure/Panel Removal70................................................................................................................................................................
    Stator Removal70................................................................................................................................................................
    Rotor Removal70................................................................................................................................................................
    Belt Tensioning71................................................................................................................................................................
    Engine Removal71................................................................................................................................................................
    Flywheel/Magneto Removal72................................................................................................................................................................
    BASE & PULLEY DRAWING74................................................................................................................................................................
    ENCLOSURE DRAWING76................................................................................................................................................................
    SHEET METAL DRAWING78................................................................................................................................................................
    CONTROL PANEL DRAWING80................................................................................................................................................................
    V-TWIN ENGINE DRAWING82................................................................................................................................................................
    LP REGULATOR DRAWING84................................................................................................................................................................
    MAJOR FEATURES AND DIMENSIONS86................................................................................................................................................................
    GENERATOR SPECIFICATIONS87................................................................................................................................................................
    NOMINAL RESISTANCES OF GENERATOR WINDINGS AT 68°F87................................................................................................................................................................
    ENGINE SPEEDS AND VOLTAGE SPECIFICATIONS88................................................................................................................................................................
    TORQUE SPECIFICATIONS88................................................................................................................................................................
    ELECTRICAL SCHEMATIC AND WIRING DIAGRAM90................................................................................................................................................................