Generac Power Systems Guardian 5414 Manuals

Manuals and User Guides for Generac Power Systems Guardian 5414. We have 1 Generac Power Systems Guardian 5414 manual available for free PDF download: Repair Manual

Generac Power Systems Guardian 5414 Repair Manual

Generac Power Systems Guardian 5414 Repair Manual (82 pages)

Diagnostic Repair Manual  
Brand: Generac Power Systems | Category: Inverter | Size: 10.95 MB
Table of contents
Table Of Contents3................................................................................................................................................................
Generator Fundamentals5................................................................................................................................................................
Magnetism5................................................................................................................................................................
Electromagnetic Fields5................................................................................................................................................................
Electromagnetic Induction5................................................................................................................................................................
A Simple Ac Generator6................................................................................................................................................................
A More Sophisticated Ac Generator6................................................................................................................................................................
Field Boost8................................................................................................................................................................
Generator Ac Connection System8................................................................................................................................................................
Major Generator Components10................................................................................................................................................................
Rotor Assembly10................................................................................................................................................................
Stator Assembly10................................................................................................................................................................
Brush Holder11................................................................................................................................................................
Excitation Circuit Components11................................................................................................................................................................
Crankcase Breather12................................................................................................................................................................
Control Panel Component Identification13................................................................................................................................................................
Insulation Resistance Tests14................................................................................................................................................................
Effects Of Dirt And Moisture14................................................................................................................................................................
Insulation Resistance Testers14................................................................................................................................................................
Drying The Generator14................................................................................................................................................................
Cleaning The Generator14................................................................................................................................................................
Stator Insulation Resistance15................................................................................................................................................................
Test15................................................................................................................................................................
Testing Rotor Insulation16................................................................................................................................................................
The Megohmmeter16................................................................................................................................................................
Measuring Electricity17................................................................................................................................................................
Meters17................................................................................................................................................................
The Vom17................................................................................................................................................................
Measuring Ac Voltage17................................................................................................................................................................
Measuring Dc Voltage17................................................................................................................................................................
Measuring Ac Frequency17................................................................................................................................................................
Measuring Current18................................................................................................................................................................
Measuring Resistance18................................................................................................................................................................
Electrical Units19................................................................................................................................................................
Ohm's Law19................................................................................................................................................................
Engine Dc Control System20................................................................................................................................................................
Introduction20................................................................................................................................................................
Operational Analysis20................................................................................................................................................................
Printed Circuit Board24................................................................................................................................................................
Battery24................................................................................................................................................................
7.5 Amp Fuse25................................................................................................................................................................
Start-stop Switch25................................................................................................................................................................
Starter Contactor Relay & Starter Motor26................................................................................................................................................................
Troubleshooting Flowcharts27................................................................................................................................................................
If Problem Involves Ac Output27................................................................................................................................................................
Problem 427................................................................................................................................................................
High Or Low27................................................................................................................................................................
Voltage & Frequency Are Both High Or Low27................................................................................................................................................................
Problem28................................................................................................................................................................
Generator Produces Zero Voltage Or Residual Voltage (5-12vac)28................................................................................................................................................................
Excessive Voltage/frequency Droop When Load Is Applied29................................................................................................................................................................
Engine Overspeed Warning Code Flashing On Sw1 Led (4 Flashes)30................................................................................................................................................................
Priming Function Does Not Work (gasoline Models)30................................................................................................................................................................
Engine Will Not Crank31................................................................................................................................................................
Engine Cranks But Will Not Start (gasoline Units)32................................................................................................................................................................
Engine Cranks But Will Not Start (lp Units)33................................................................................................................................................................
Engine Starts Hard And Runs Rough (gasoline Units)34................................................................................................................................................................
Engine Starts Hard And Runs Rough (lp Units)35................................................................................................................................................................
Or Low Oil Pressure Fault (5 Flashes)36................................................................................................................................................................
Problem 10 - 7.5 Amp (f1) Fuse Blowing37................................................................................................................................................................
Diagnostic Tests38................................................................................................................................................................
Check No-load Voltage And Frequency38................................................................................................................................................................
Check Stepper Motor Control38................................................................................................................................................................
Fixed Excitation Test/rotor Amp Draw39................................................................................................................................................................
Check Field Boost41................................................................................................................................................................
Test Stator Dpe Winding41................................................................................................................................................................
Check Sensing Leads/power Windings42................................................................................................................................................................
Check Brush Leads43................................................................................................................................................................
Check Brushes & Slip Rings44................................................................................................................................................................
Check Main Circuit Breaker45................................................................................................................................................................
Check Load Voltage & Frequency45................................................................................................................................................................
Check Load Watts & Amperage45................................................................................................................................................................
Try Cranking The Engine46................................................................................................................................................................
Check Fuel Pump46................................................................................................................................................................
Check 7.5 Amp Fuse47................................................................................................................................................................
Check Battery & Cables47................................................................................................................................................................
Check Power Supply To Printed Circuit Board47................................................................................................................................................................
Check Continuity Of Wire 1748................................................................................................................................................................
Check Start-stop Switch48................................................................................................................................................................
Check Power Supply To Wire 5649................................................................................................................................................................
Check Starter Contactor Relay49................................................................................................................................................................
Check Starter Contactor50................................................................................................................................................................
Check Starter Motor50................................................................................................................................................................
Check Fuel Supply53................................................................................................................................................................
Check Wire 14 Power Supply54................................................................................................................................................................
Test 27 - Check Wire 1855................................................................................................................................................................
(gasoline Models)55................................................................................................................................................................
Check Ignition Spark56................................................................................................................................................................
Check Spark Plugs57................................................................................................................................................................
Check And Adjust Ignition Magnetos57................................................................................................................................................................
Check Valve Adjustment59................................................................................................................................................................
Check Carburetion60................................................................................................................................................................
Check Choke Solenoid60................................................................................................................................................................
Check Engine / Cylinder Leak Down Test / Compression Test61................................................................................................................................................................
Check Oil Pressure Switch62................................................................................................................................................................
Test Wire 86 For Continuity63................................................................................................................................................................
Test Oil Temperature Switch63................................................................................................................................................................
Test Wire 85 For Continuity64................................................................................................................................................................
Test Choke Heater64................................................................................................................................................................
Check Lpg Fuel Solenoid65................................................................................................................................................................
Exploded Views / Part Numbers66................................................................................................................................................................
Base & Pulley Drawing66................................................................................................................................................................
Enclosure Drawing68................................................................................................................................................................
Control Panel Drawing70................................................................................................................................................................
Engine Accessories Drawing72................................................................................................................................................................
Rv Engine Drawing74................................................................................................................................................................
Rotor And Stator Drawing76................................................................................................................................................................
Specifications & Charts78................................................................................................................................................................
Major Features And Dimensions78................................................................................................................................................................
Generator Specifications79................................................................................................................................................................
Nominal Resistances Of Generator Windings At 68°f79................................................................................................................................................................
Torque Requirements79................................................................................................................................................................
Section 1079................................................................................................................................................................
Electrical Data80................................................................................................................................................................
Electrical Schematic And Wiring Diagram80................................................................................................................................................................

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