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Generac Power Systems WheelHouse 5500 - User Manual

Generac Power Systems WheelHouse 5500
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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. 1646-0 (5,500 Watt AC Generator) Manual No. 189628GS Revision 1 (08/24/2001)
Safety Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Know Your Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Product Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 & 19
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Replacement Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-18
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Last Page
• Generator
• Wheel kit
• Locking 30 Amp plug
• Engine oil
• Two packets of fuel stabilizer
• Owner's manual
• Engine manual
*If any parts are missing or damaged, call 1-800-270-1408.
Parts Included* Table of Contents

Table of Contents

Questions and Answers

  • C
    Chad MartinAug 13, 2025
    What to do if my Generac Power Systems Portable Generator engine is running, but there's no AC output?
    • K
      Kristine McdonaldAug 13, 2025
      If your Generac Power Systems Portable Generator's engine runs but has no AC output, several issues could be the cause. First, check if the circuit breaker is open and reset it. Next, inspect the cord set for poor connections or defects and repair if needed. Ensure the connected device is functioning correctly by testing with another device. If none of these steps resolve the issue, there may be a fault in the generator, and you should contact a local service facility.
  • C
    Casey JohnsonAug 17, 2025
    Why does my Generac Power Systems Portable Generator engine shut down during operation?
    • M
      Madison JacksonAug 17, 2025
      The most likely reason for your Generac Power Systems Portable Generator engine shutting down during operation is that it is out of gasoline. Refill the fuel tank.
  • S
    saundersedwardAug 21, 2025
    Why does my Generac Power Systems WheelHouse 5500 engine run good but bog down when loads are connected?
    • R
      ryangAug 21, 2025
      If your Generac Power Systems Portable Generator engine runs well but bogs down when loads are connected, it could be due to a few reasons. There might be a short circuit in a connected load, so disconnect any suspected electrical loads. The generator might be overloaded. If the issue persists, there could be a shorted generator circuit, in which case you should contact a local service facility.
  • B
    bcookAug 28, 2025
    What to do if my Generac Power Systems Portable Generator has no AC output?
    • J
      Jessica PrestonAug 28, 2025
      If your Generac Power Systems Portable Generator's engine is running but there's no AC output, try these steps: * First, reset the circuit breaker. * Check for and repair any poor connections or defective cord sets. * Ensure the connected device is working correctly by testing with another device in good condition. If the problem persists, there may be a fault in the generator, and you should contact a Generac service facility.
  • T
    trevorbrownSep 1, 2025
    Why does my Generac Power Systems WheelHouse 5500 Portable Generator bog down under load?
    • B
      Beverly EdwardsSep 1, 2025
      If your Generac Power Systems Portable Generator engine runs well but bogs down when loads are connected: * Disconnect any electrical load that may have a short circuit. * Avoid overloading the generator. * If the engine speed is too slow or there is a shorted generator circuit, contact a qualified service technician.
  • D
    Dana SimmonsSep 5, 2025
    Why does my Generac Power Systems Portable Generator lack power?
    • U
      uhoffmanSep 5, 2025
      If your Generac Power Systems Portable Generator engine lacks power, make sure that you are not using too much load. If the load is not too high, replace the air filter. If the problem persists, the engine may need to be serviced, and you should contact a Generac service facility.
  • G
    Gary WilsonSep 8, 2025
    What causes a Generac Power Systems WheelHouse 5500 Portable Generator engine to hunt or falter?
    • S
      Steven CraigSep 8, 2025
      If your Generac Power Systems Portable Generator engine “hunts” or falters, try moving the choke to the halfway position until the engine runs smoothly. If the issue continues, the carburetor might be running too rich or too lean; contact a Generac service facility.
  • K
    Kevin RobertsNov 23, 2025
    How to fix a Generac Power Systems Portable Generator that won't start?
    • C
      Colleen JonesNov 23, 2025
      If your Generac Power Systems Portable Generator won't start or runs rough, try the following: 1. Ensure the Run/Stop switch is set to “Run”. 2. Clean or replace the air cleaner. 3. Make sure the fuel valve is in the “On” position. 4. Open the vent knob in the fuel gauge. 5. Reconnect the quick connect in the fuel line. 6. Fill the fuel tank with gasoline. 7. Drain the gas tank and fill with fresh fuel if the gasoline is stale. 8. Connect the spark plug wire to the spark plug. 9. Replace the spark plug if it is bad. 10. Drain the gas tank and fill with fresh fuel if there is water in the gasoline. 11. Put the choke lever to the “Run” position. 12. Fill the crankcase to the proper level if the oil level is low. For issues like an excessively rich fuel mixture, a stuck intake valv...

Summary

Equipment Description

Safety Rules

Grounding the Generator

Assembly

Secure Handle

Steps for securing the generator's handle for safe operation and transport.

Add Oil

Instructions for filling the engine with the correct type and amount of oil.

Add Gasoline

Guidance on safely adding unleaded gasoline to the fuel tank, including precautions.

Know Your Generator

Component Identification

Identifies and describes the main parts and controls of the generator for user familiarity.

Operating the Generator

Starting the Engine

Step-by-step guide for safely starting the generator engine.

Connecting Electrical Loads

Instructions on how to connect electrical devices to the generator safely and efficiently.

Stopping the Engine

Procedures for safely shutting down the generator after use.

Receptacles

120 Volt AC, 20 Amp Duplex Receptacle

Details the specifications and usage of the 120V duplex outlets.

120;240 Volt AC, 30 Amp Locking Receptacle

Explains the 120/240V locking receptacle, its plug type, and power capacity.

Dont Overload Your Generator

Capacity Calculation

Guides on calculating total running and surge watts needed for connected devices.

Power Management

Provides best practices for sequentially adding loads to the generator for optimal life.

Specifications

General Maintenance Recommendations

Engine Maintenance

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

Generator Maintenance

Outlines cleaning and upkeep procedures for the generator unit itself.

To Clean the Generator

Provides specific methods for cleaning the exterior of the generator unit.

Storage

Generator Storage

Instructions for preparing and storing the generator for extended periods.

Engine Storage

Directs users to the engine manual for specific engine storage instructions.

Other Storage Tips

Additional recommendations for fuel system preparation and storage environment.

Notes

Troubleshooting

Schematic

Wiring Diagram

Exploded View - Main Unit

Parts List - Main Unit

Exploded View and Parts List - Control Panel

Limited Warranty

Generac Power Systems WheelHouse 5500 Specifications

General IconGeneral
BrandGenerac Power Systems
ModelWheelHouse 5500
CategoryPortable Generator
LanguageEnglish

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