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DEK 5000 - User Manual

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Rev: Sept 2009
DEK® is exclusively distributed by GXi International, LLC
1 of 14
Heavy Duty Power Equipment
Owner’s Manual
This manual contains important safety instructions for gasoline engine
powered electric generator models: 3850, 4000, 4550 Pro, 5000, 5000EL, 5650, 5650EL, 6500, 6500EL,
7550EL Pro, 180W, 180WEL.
READ SAFETY WARNINGS AND OPERATING INSTRUCTIONS CAREFULLY, SAVE THESE INSTRUCTIONS.
Contents:
1. Tools and Accessories
2. Warnings & Specifications
3. Component Identification
4. Wheel Kit Assembly
5. Controls
6. Operating the Generator
7. Maintenance
8. Transporting and Storage
9. Troubleshooting
10. Warranty and Service
HAVE QUESTIONS OR NEED HELP?
call 24 hrs / 7-days a week help-line: [1] 800-393-0668
or go to www.DEKPowerUSA.com
DO NOT RETURN THIS GENERATOR
TO THE STORE!
Date of Purchase: _______________________
Location of Purchase: _______________________
Serial #: _______________________
Have the following information ready when you call us:
DEK® is registered trademark of GXi International, LLC Clayton, NC 27520 USA
No part of this publication can be printed or copied without written permission.
®

Table of Contents

Questions and Answers

  • J
    Jason RussellAug 21, 2025
    What to do if my DEK 5000 Portable Generator engine starts, but then shuts off quickly?
    • J
      Jerry HardyAug 21, 2025
      If your generator starts but shuts off within 10 seconds, consider these potential causes: * The spark arrestor may be dirty. Remove, clean, and replace it. * The oil level may be too low. The engine is designed to shut down when oil levels are insufficient. Check your owner's manual for the correct oil capacity. * The fuel valve may be off, or the generator may be out of fuel. Fill the tank and turn the fuel valve on. * The spark plug may be fouled or defective. Remove, clean, or replace the spark plug. * The vacuum check valve may have failed. Replace the check valve.
  • K
    Kenneth McintyreAug 25, 2025
    Why is my DEK 5000 Portable Generator engine running rough?
    • M
      Maria GreenAug 25, 2025
      If your engine is running rough, vibrating, or oscillating, here are a few things to check: * The spark arrestor might be dirty. Remove, clean, and replace it. * The choke might not be fully open. Push the choke lever in. * The generator might be overloaded. Disconnect some appliances to reduce the load. * The air filter could be dirty. Clean the air filter. * The fuel filter might be clogged. Clean the filter. * The fuel could be contaminated. Contaminants in the fuel can prevent proper combustion. * The vacuum check valve may have failed. Replace the check valve. * The head valve timing might be off. In this case, send the generator to a service center.
  • M
    Marc GoodAug 26, 2025
    What to do if my DEK 5000 Portable Generator engine runs, but bogs down under load?
    • D
      Dawn PatrickAug 26, 2025
      If your DEK Portable Generator engine runs, but bogs down under load, consider the following: * The spark arrestor may be dirty. Remove, clean, and replace it. * The choke might be open. Push the choke lever in. * The generator might be overloaded. Disconnect some appliances or devices to reduce the load. * The air filter may be dirty. Clean the air filter. * The fuel filter might be clogged.
  • A
    arellanosabrinaAug 27, 2025
    How to fix a DEK Portable Generator that runs but has no power at the outlets?
    • E
      Eric SanchezAug 28, 2025
      If your generator runs and the voltmeter shows 120 VAC, but there's no power at the outlets, consider these solutions: * The extension cord or power strip may be faulty. Try a different or shorter extension cord or a different power strip. * The push-button breaker may have tripped. Disconnect all loads and push the reset button. * The GFCI may have tripped. Disconnect all loads and push the red reset button firmly. * The GFCI may have failed. Replace the GFCI with any GFCI or household outlet.
  • M
    Michael TurnerAug 29, 2025
    What to do if my DEK 5000 shows voltage but connected devices don't work?
    • D
      Danielle SantosAug 29, 2025
      If your DEK Portable Generator runs and the voltmeter shows 240VAC and 120VAC, but no power goes to connected devices, try these solutions: * The extension cord or power strip could be bad. Try a different or shorter extension cord or a different power strip. * The connected device may have failed. Try a different light bulb or device. * The push button breaker may have tripped. Push the button to reset it. * The GFCI might have tripped. Push the red reset button very deep/firmly. * The GFCI may have failed. Replace the GFCI with any GFCI or household outlet.
  • J
    Julia DeckerAug 31, 2025
    Why is my DEK Portable Generator voltage too high or low?
    • C
      Courtney ChambersSep 1, 2025
      If you're experiencing voltage issues with your generator, consider the following: * The spark arrestor may be the cause. Remove, clean, and replace it. * The voltage may not be measured correctly. Voltage must be measured between hot and neutral, not hot and ground, as the ground is isolated. * The speed screw could be bent.
  • N
    Nicole LyonsSep 2, 2025
    How to fix a fuel leak at the tank shut-off on my DEK Portable Generator?
    • E
      Ernest WeberSep 2, 2025
      If you notice a fuel leak at the tank shut-off, it's likely due to a loose shut-off valve. Try tightening the nut on the shut-off valve. If that doesn't solve the problem, you may need to replace the shut-off valve.
  • R
    Robert MitchellSep 5, 2025
    Why is the recoil on my DEK 5000 Portable Generator hard to pull?
    • J
      Jeremy HopkinsSep 5, 2025
      The recoil on your generator might be hard to pull or not retracting due to: * A dirty spark arrestor. Remove, clean, and replace it. * The recoil rubbing on a dented housing. * A failed alternator bearing. The alternator bearing needs to be replaced. It is recommended to send it to a service center. * A failed camshaft detent. * The head valve timing being off.
  • J
    Jessica MurphySep 6, 2025
    What to do if my DEK 5000 shows different voltage on each phase?
    • C
      Christina OwenSep 7, 2025
      If your DEK Portable Generator shows 120 VAC on one phase but too high/low on the other phase, it could be that the alternator phase has failed.
  • T
    tracy46Sep 8, 2025
    What causes a fuel leak out of the carburetor of DEK Portable Generator?
    • L
      lorikellySep 8, 2025
      If fuel is leaking out of the carburetor, it could be due to: * A loose fuel drain screw. Tighten the fuel drain screw. * The carburetor float seat not seating properly. Flush it with clean fuel.

Summary

Tools and Accessories

Generator Accessories

Covers covers, adapters, extension cords, oil, and fuel stabilizer for generator use.

Safety Warnings and Precautions

General Safety Guidelines

Crucial safety information including CO, electric shock, fire hazards, and proper operation.

Electrical System Safety

Guidelines for connecting to buildings, ground system, and special electrical codes.

AC Applications and Safety

Appliance Usage and Overload Protection

Guidelines for connecting appliances, avoiding overloads, and power limits.

Engine Speed and Tampering

Warning against adjusting the governor to prevent damage and injury.

Component Identification

Generator Parts Overview

Identification of key components on the top and control panel of the generator.

Assembly and Battery Setup

Wheel Kit Assembly Steps

Instructions for attaching the wheel and foot assemblies to the generator.

Battery Installation and Care

Safety precautions and maintenance for the optional battery.

Generator Controls

Engine Operation Controls

Explains choke, fuel valve, engine switch, and recoil starter for engine operation.

Oil Alert and Grounding

Covers the oil alert system and the generator's ground terminal connection.

Generator Operation: Initial Steps

Prepare Generator Area and Check Fluids

Steps for preparing the area, checking oil, and verifying fuel before starting.

DC Terminals and Battery Charging

Usage of DC terminals for charging batteries and safety during the process.

Generator Operation: Starting, Loading, and Stopping

Starting and Warming Up

Procedures for starting the engine, setting choke, and warming up the generator.

Applying Loads and Safe Shutdown

How to apply electrical loads, monitor limits, and safely shut down the generator.

Maintenance Schedule and Procedures

Routine Maintenance Tasks

Covers oil change, air cleaner, fuel filter, and spark plug service.

Maintenance, Transport, and Storage

Optional Maintenance and Fuse Replacement

Servicing spark arrestor and replacing starter motor fuse.

Transporting and Storing the Generator

Guidelines for safe transport and long-term storage preparation.

Troubleshooting: Engine Start Issues

Engine Wont Start or Stalls

Diagnosing issues with no spark, stalling, rough running, and bogging down.

Troubleshooting: Power and Leaks

Power Delivery and Voltage Problems

Diagnosing no power to outlets, voltage issues, and phase problems.

Leaks and Recoil Issues

Troubleshooting oil leaks, fuel leaks, and recoil mechanism problems.

Limited Warranty and Service Information

Warranty Coverage and Qualification

Details product coverage, warranty periods, and how to qualify for service.

Service Exclusions and Emissions

Lists warranty exclusions and information on emission control systems.

DEK 5000 Specifications

General IconGeneral
BrandDEK
Model5000
CategoryPortable Generator
LanguageEnglish

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