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Generac Power Systems Guardian ULTRA SOURCE 004583-0 - User Manual

Generac Power Systems Guardian ULTRA SOURCE 004583-0
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Owner’s
Manual
• SAFETY
• ASSEMBLY
• OPERATION
• TROUBLESHOOTING
• ELECTRICAL DATA
• PARTS
• WARRANTY
1-800-333-1322
ULTRA SOURCE
Portable Generator
COMMERCIAL • INDUSTRIAL • RESIDENTIAL
MODEL: 004583-0
17,500 Watt Portable Generator
and 60 amp manual transfer switch
with built-in load center
AUTHORIZED DEALER SUPPORT:

Table of Contents

Questions and Answers

  • S
    Sydney SchmidtAug 19, 2025
    Why won't my Generac Power Systems Portable Generator start or runs rough?
    • J
      Jamie WarrenAug 19, 2025
      If your Generac Power Systems Portable Generator won't start or runs rough, several factors could be the cause: * The air cleaner might be dirty, requiring cleaning or replacement. * The generator might be out of gasoline, necessitating a refill. * The gasoline might be stale, requiring you to drain the tank and refill with fresh fuel. * The spark plug wire might not be connected, requiring you to connect it to the spark plug. * The spark plug might be bad, requiring replacement. * There might be water in the gasoline, requiring you to drain the tank and refill with fresh fuel. * The engine might be overchoking, requiring you to put the choke knob to the 'No Choke' position. * The oil level might be low, requiring you to fill the crankcase to the proper level.
  • R
    robersonleslieAug 21, 2025
    What to do if my Generac Power Systems Portable Generator engine is running but there's no AC output?
    • R
      ryantaylorAug 21, 2025
      If your Generac Power Systems Portable Generator's engine is running but there's no AC output, here's what might be happening: * The circuit breaker could be open; try resetting it. * There might be a poor connection or a defective cord set; check and repair as needed. * The connected device might be faulty; try connecting another device in good condition.
  • J
    James JohnsonAug 23, 2025
    Why does my Generac Power Systems Portable Generator engine shut down during operation?
    • J
      John BartlettAug 23, 2025
      If your Generac Power Systems Portable Generator engine shuts down during operation, it could be due to: * Being out of gasoline, so fill the fuel tank. * Having a low oil level, so fill the crankcase to the proper level.
  • L
    leonardgrantAug 26, 2025
    Why does my Generac Power Systems Portable Generator engine lack power?
    • S
      Scott HolmesAug 26, 2025
      If your Generac Power Systems Portable Generator engine lacks power, it could be due to: * The load being too high. * A dirty air filter that needs replacement.
  • J
    Joan GreenAug 28, 2025
    What to do if my Generac Power Systems Portable Generator runs good but bogs down when loads are connected?
    • A
      Andrew ValenciaAug 28, 2025
      If your Generac Power Systems Portable Generator engine runs well but bogs down when loads are connected, it could be due to a short circuit in a connected load. Disconnect the shorted electrical load.
  • G
    gyoungAug 30, 2025
    How to fix a Generac Power Systems Guardian ULTRA SOURCE 004583-0 that will not crank?
    • J
      John BanksAug 30, 2025
      If your Generac Power Systems Portable Generator won't crank, it could be due to: * A melted 10 amp fuse at the rear of the generator control panel. Replace the fuse with an identical 10-amp replacement fuse. * A weak or dead battery. Recharge or replace the battery.
  • A
    Amanda KellySep 1, 2025
    Why does my Generac Power Systems Guardian ULTRA SOURCE 004583-0 engine “hunt” or falter?
    • T
      Theresa JohnsonSep 1, 2025
      If your Generac Power Systems Portable Generator engine hunts or falters, it might be because the choke is opened too soon. Move the choke to the halfway position until the engine runs smoothly.
  • S
    Stephanie AlvarezSep 3, 2025
    What causes no battery charge DC output in a Generac Power Systems Portable Generator?
    • D
      Daniel WoodSep 4, 2025
      If there is no Battery Charge DC output from your Generac Power Systems Portable Generator, the possible causes are: * Corroded battery posts - clean the battery posts. * A bad battery cable - replace the cable. * A defective battery - check the battery condition; replace if defective.
  • B
    Brandon RamosSep 6, 2025
    What to do if my Generac Power Systems Portable Generator engine is running, but there is no AC output?
    • J
      Julie PalmerSep 6, 2025
      If your Generac Power Systems Portable Generator's engine is running but there's no AC output, here are a few things you can check: * First, reset the circuit breaker, as it may be open. * Check the cord set for poor connections or defects and repair if needed. * Ensure the connected device is in good condition by testing with another device.
  • C
    Cynthia LopezSep 8, 2025
    Why does my Generac Power Systems Guardian ULTRA SOURCE 004583-0 Portable Generator engine run good but bog down when loads are connected?
    • S
      Stacy PittmanSep 8, 2025
      If your Generac Power Systems Portable Generator engine runs well but bogs down when loads are connected, it could be due to a short circuit in a connected load. Disconnect the shorted electrical load. Also, the generator might be overloaded, so refer to “Don’t Overload the Generator”.

Summary

Section 2 - Operation

Cord Sets and Connection Plugs

Details on various AC receptacles and their specifications.

How to Use the Generator

Step-by-step guide for operating the generator, including grounding and load connection.

Dont Overload the Generator

Importance of not exceeding generator wattage capacity to prevent damage.

Before Starting the Generator

To Start the Engine

Step-by-step procedure for starting the generator engine.

Stopping the Engine

Procedure for safely shutting down the generator engine.

Low Oil Pressure Shutdown System

Explanation of the automatic engine shutdown system due to low oil pressure.

Charging a Battery

Section 4 - Troubleshooting

Troubleshooting Guide

A guide to diagnose and correct common generator problems.

Section 5 - Installation for Manual Transfer Switch

Transfer Switch Installation

General instructions and precautions for installing the transfer switch.

Section 6 - Operation of Generator with Manual Transfer Switch

Using the Portable Generator and Transfer Switch

Transfer to Generator Power Source When Utility Power Fails

Steps to switch power source to the generator during a utility outage.

Transfer Back to Utility Power Source

Steps to switch back to utility power after it's restored.

Section 10 - Warranty

California Emission Control Warranty Statement

Generac Two Year Limited Warranty

Generac's two-year limited warranty for the generator and transfer switch.

Generac Power Systems Guardian ULTRA SOURCE 004583-0 Specifications

General IconGeneral
ModelGuardian ULTRA SOURCE 004583-0
CategoryPortable Generator
Fuel TypeGasoline
Run Time at 50% Load10 hours
Rated Watts15000
Starting Watts22500

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