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

Guardian Quietpact 75 Repair Manual (92 pages)

Generac Power Systems Recreational Vehicle Generator Repair Manual  
Brand: Guardian | Category: Portable Generator | Size: 8.8 MB
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................................................................................................................................................................