EasyManua.ls Logo

DEK 4000 - User Manual

Default Icon
14 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
Rev: Sept 2009
DEK® is exclusively distributed by GXi International, LLC
1 of 14
Heavy Duty Power Equipment
Owners 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.
®

Questions and Answers

  • M
    Molly HenrySep 23, 2025
    What could cause my DEK 4000 to show incorrect voltage in 240V mode?
    • M
      melinda09Sep 23, 2025
      If your generator runs and the voltmeter shows 120VAC in 120V mode, but shows 120VAC or 0VAC in 240V mode, it could be due to: * A failed circuit breaker. * A failed toggle switch. * A failed alternator phase. * A broken wire.
  • P
    portersandraAug 25, 2025
    What to do if my DEK Inverter shows voltage but no outlet power?
    • S
      Sheena MoranAug 25, 2025
      If your DEK Inverter's voltmeter shows 120 VAC but the outlets aren't providing power, the issue might stem from a faulty extension cord or power strip; try using a different one. Also, check the push-button breaker and reset it if it's tripped by disconnecting all loads and pushing the reset button. Similarly, examine the GFCI; if tripped, disconnect all loads and firmly push the red reset button. If the GFCI has failed, consider replacing it with any standard GFCI or household outlet.
  • K
    Karen WeaverAug 25, 2025
    Why does my DEK Inverter engine bog down under load?
    • R
      reedvictoriaAug 26, 2025
      If your DEK Inverter engine runs but bogs down under load, consider these potential causes: The choke might be open, so push the choke lever in. You might be overloading the generator, in which case you should disconnect some appliances or devices. A dirty air filter or a clogged fuel filter could also be the culprit, so clean the air filter and clean the fuel filter.
  • J
    John EvansAug 27, 2025
    DEK Inverter shows voltage but no power to devices, what's wrong?
    • M
      Michael MoralesAug 27, 2025
      If your DEK Inverter shows both 240VAC and 120VAC on the voltmeter, but connected devices aren't receiving power, here's what you can check: First, try a different extension cord or power strip, as the current one may be faulty. Ensure the device you're using hasn't failed by testing with a different light bulb or device. Also, verify that the push-button breaker hasn't tripped. Finally, check the GFCI; if it's tripped, push the red reset button firmly, and if it has failed, replace it with any standard GFCI or household outlet.
  • L
    Lisa KimAug 27, 2025
    What to do if DEK Inverter starts then shuts off quickly?
    • H
      Heather CruzAug 27, 2025
      If your DEK Inverter engine starts but shuts off quickly, check the following: Ensure the oil level is adequate by consulting the owner's manual for the correct oil capacity. Verify that the fuel valve is open and the tank isn't empty. Inspect the spark plug for fouling or failure, and clean or replace it as necessary. A failed vacuum check valve could also be the problem; replace it, and call DEK for the replacement procedure.
  • R
    Ryan KellySep 14, 2025
    Why is the recoil on my DEK 4000 Portable Generator hard to pull?
    • P
      Pamela HowardSep 14, 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.
  • A
    Albert GarciaSep 12, 2025
    Why is my DEK Portable Generator voltage too high or low?
    • D
      Dennis WilkersonSep 12, 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.
  • A
    agarrisonSep 13, 2025
    How to fix a fuel leak at the tank shut-off on my DEK 4000?
    • J
      Johnny JohnsonSep 13, 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
    robertgeorgeSep 4, 2025
    How to fix a leaking fuel gauge on a DEK Inverter?
    • R
      Ryan SharpSep 4, 2025
      To address a fuel gauge leak in your DEK Inverter, replace the fuel gauge gasket.
  • M
    Micheal GrantSep 2, 2025
    Why is oil leaking from the valve head cover on my DEK Inverter?
    • H
      Hannah SanchezSep 2, 2025
      If oil is leaking from the valve head cover of your DEK Inverter, the bolts might not be tight enough. Tighten the bolts to resolve the leak.

DEK 4000 Specifications

General IconGeneral
BrandDEK
Model4000
CategoryPortable Generator
LanguageEnglish

Related product manuals