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Generac Power Systems Portable Generator - User Manual

Generac Power Systems Portable Generator
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Owner’s Manual
This is the safety alert symbol. It is used to alert you to potential personal injury hazards.
Obey all safety messages that follow this symbol to avoid possible injury or death.
Questions? Help is just a moment away!
Call: Generac Generator Helpline - 1-800-270-1408 M-F 8-5 CT
Web: www.generac-portables.com or www.briggsandstratton.com
Model No. 1658-0 (5,000 Watt AC Generator) Manual No. 189633GS Revision 1 (08/23/2001)
Safety Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Know Your Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Product Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Replacement Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-15
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Last Page
Table of Contents
Generator
Engine oil
Owner's manual
Engine manual
*If any parts are missing or damaged, call 1-800-270-1408.
Parts Included*

Other manuals for Generac Power Systems Portable Generator

Questions and Answers

  • R
    rodriguezmatthewJul 31, 2025
    What to do if my Generac Power Systems Portable Generator has no AC output?
    • W
      Wayne MoonJul 31, 2025
      If your Generac Power Systems Portable Generator's engine is running, but there's no AC output, it could be due to several reasons. First, check if the circuit breaker is open and reset it. A poor connection or defective cord set could also be the culprit, so inspect and repair as necessary. Try connecting another device to rule out a bad connected device. If none of these steps work, there may be a fault in the generator itself, and you should contact a Generac service facility.
  • R
    Ralph KellyAug 4, 2025
    Why does my Generac Power Systems bog down under load?
    • K
      Kimberly TorresAug 5, 2025
      If your Generac Power Systems Portable Generator engine runs well but bogs down when loads are connected, there are several potential causes. It could be due to a short circuit in a connected load, so disconnect any suspected electrical loads. The generator might be overloaded. Another possibility is that the engine speed is too slow, or there's a shorted generator circuit. In the last two cases, contact appropriate service facilities.
  • C
    colleen50Aug 10, 2025
    How to fix a Generac Power Systems Portable Generator that won't start?
    • A
      Andrew ChavezAug 10, 2025
      If your Generac Power Systems Portable Generator engine will not start, or starts and runs rough, there are several potential causes: * Ensure the rocker switch is set to “On”. * Check and clean or replace the air cleaner if it's dirty. * Make sure the generator has gasoline and that it is fresh, not stale. * Ensure the spark plug wire is connected to the spark plug, and replace the spark plug if it is bad. * Drain the gas tank and fill with fresh fuel if there is water in the gasoline. * Set the choke to the “Off” position if overchoking. * Fill the crankcase to the proper level if the oil level is low.
  • A
    Aaron HowardAug 15, 2025
    Why does my Generac Power Systems Portable Generator shut down while running?
    • J
      Jason BrooksAug 16, 2025
      If your Generac Power Systems Portable Generator engine shuts down during operation, it could be due to a couple of reasons. The most common is simply running out of gasoline, so fill the fuel tank. If fuel is not the issue, there may be a fault in the engine.
  • E
    elizabeth70Aug 19, 2025
    What causes a Generac Power Systems to lack power?
    • M
      monique47Aug 20, 2025
      If your Generac Power Systems Portable Generator engine lacks power, it might be because the load is too high. Also, a dirty air filter can cause the engine to lack power, so replace it.
  • S
    Scott JohnsonAug 25, 2025
    How to solve Generac Power Systems Portable Generator engine 'hunting'?
    • P
      Peter JonesAug 26, 2025
      If your Generac Power Systems Portable Generator engine “hunts” or falters, it could be due to the choke being opened too soon. Try moving the choke to the halfway position until the engine runs smoothly.

Summary

Equipment Description

Safety Rules

Grounding the Generator

Assembly

Remove Generator From Carton

Instructions for safely unpacking the generator from its shipping carton, including contents check.

Before Starting the Engine

Add Oil

Guidance on adding the correct type and amount of oil to the engine before initial startup.

Add Gasoline

Instructions and warnings for adding unleaded gasoline to the fuel tank, including fill level and safety precautions.

Know Your Generator

Operating the Generator

Starting the Engine

Step-by-step instructions for starting the generator, including fuel valve, choke, and rocker switch operation.

Connecting Electrical Loads

Guidelines for safely connecting electrical devices to the generator after startup, including load types and overload warnings.

Stopping the Engine

Procedure for safely shutting down the generator, including disconnecting loads and turning off fuel.

Receptacles

120 Volt AC, 20 Amp Receptacle

Details the specifications and usage of the 120V duplex receptacle for powering appliances.

120;240 Volt AC, 20 Amp Locking Receptacle

Explains the 120/240V locking receptacle, plug type, and its power capabilities for various loads.

Dont Overload Your Generator

Capacity

Guidance on calculating generator capacity needs, including rated and surge watts for connected devices.

Power Management

Best practices for sequentially connecting loads to the generator to ensure stable operation and prolong equipment life.

Product Specifications

General Maintenance Recommendations

Engine Maintenance

Refers to the engine owner's manual for specific engine maintenance procedures and safety precautions.

Generator Maintenance

Instructions for cleaning and maintaining the generator unit, emphasizing keeping it clean and dry.

Storage

Guidelines for storing the generator, including starting frequency and preparation for long-term storage.

Troubleshooting

Notes

Schematic

Wiring Diagram

Exploded View - Main Unit

Parts List - Main Unit

Limited Warranty

Generac Power Systems Portable Generator Specifications

General IconGeneral
BrandGenerac Power Systems
ModelPortable Generator
CategoryPortable Generator
LanguageEnglish

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