Wen DF8000X Instruction Manual
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Wen DF8000X Instruction Manual

8000w electric start dual fuel generator
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MODEL DF8000X
8000W ELECTRIC START
DUAL FUEL GENERATOR
Instruction Manual
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
1-847-429-9263 (M-F 8AM-5PM CST)
TECHSUPPORT@WENPRODUCTS.COM
IMPORTANT: Your new tool has been engineered and manufactured to WEN's highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged,
trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use
your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.
WENPRODUCTS.COM
For replacement parts and the most up-to-date instruction manuals, visit

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  • Page 1 1-847-429-9263 (M-F 8AM-5PM CST) TECHSUPPORT@WENPRODUCTS.COM IMPORTANT: Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.

  • Page 2: Table Of Contents

    Wiring Diagram ....................38 Exploded View & Parts List ................39 Warranty Statement ..................45 WENPRODUCTS.COM To purchase accessories for your tool, visit Magnetic Oil Dipstick (Model GNA273) Weatherproof Generator Cover, Medium (Model 56406) High-Altitude Kit (Part DF8000X-HA36 and DF8000X-HA68)

  • Page 3: Welcome

    SPECIFICATIONS GENERATOR Gasoline: 6500 Watts Rated Wattage LPG: 5850 Watts Gasoline: 8000 Watts Surge Wattage LPG: 7200 Watts Rated Voltage 120V / 240V Rated Amperage 54.1A (Gasoline) / 48.7A (LPG) Phase Single Frequency 60 Hz With Wheel & Handle Kit: 28.54 in. x 24.61 in. x 24.96 in. Product Dimensions Without Wheel &...

  • Page 4: Introduction

    INTRODUCTION Thanks for purchasing the WEN 8000-Watt Dual Fuel Generator. Refer to the illustration below for the location of the serial number on the specifications label. Record the generator information in the spaces provided below. If as- sistance for information or service is required, please contact customer service by calling 1-847-429-9263, M-F 8-5 CST;...

  • Page 5: Safety

    WEN reserves the right to change this product and specifications at any time without prior notice. At WEN, we are continuously improving our products. If you find that your tool does not exactly match this manual, please visit wenproducts.com for the most up-to-date manual or contact customer service at 1-847-429-9263, M-F 8-5 CST.

  • Page 6: Generator Safety Warnings

    GENERATOR SAFETY WARNINGS DANGER! CARBON MONOXIDE Using a generator indoors CAN KILL YOU IN MINUTES. Generator exhaust contains carbon monoxide (CO). This is a poison gas you cannot see or smell. If you can smell the generator exhaust, you are breathing CO. But even if you cannot smell the exhaust, you could be breathing CO.
  • Page 7 GENERATOR SAFETY WARNINGS WARNING! Do not let comfort or familiarity with the product replace strict adherence to product safety rules. Failure to follow the safety instructions may result in serious personal injury. BUTTON OR COIN CELL BATTERY SAFETY OPERATING ENVIRONMENT INFORMATION 1.
  • Page 8 GENERATOR SAFETY WARNINGS WARNING! Do not let comfort or familiarity with the product replace strict adherence to product safety rules. Failure to follow the safety instructions may result in serious personal injury. TO MAXIMIZE THE LIFESPAN OF YOUR GENERATOR: We recommend running your generator at least once a month for 20 to 30 minutes.

  • Page 9: Before Operating

    UNPACKING & PACKING LIST UNPACKING With the help of a friend or trustworthy foe, such as one of your in-laws, carefully remove the generator from the packaging and place it on a sturdy, flat surface. Make sure to take out all contents and accessories. Do not discard the packaging until everything is removed.

  • Page 10: Know Your Generator

    KNOW YOUR GENERATOR TOOL PURPOSE Portable generators provide you with power when and where you need it most. Refer to the following diagrams to become familiarized with all the parts and controls of your generator. The components will be referred to later in the manual for assembly and operation instructions.
  • Page 11 KNOW YOUR GENERATOR CONTROL PANEL 1. Engine Switch 8. AC 120V NEMA 5-20R Duplex Receptacles (20A) Start the engine using this switch. Standard household outlets provide 120V 60Hz power. 2. Data Meter 9. Grounding Nut Displays voltage, frequency, total runtime (HHHH), and Ground generator to reduce risk of electric shock.

  • Page 12: Assembly & Adjustments

    ASSEMBLY & ADJUSTMENTS WARNING! Do not turn the generator on until it is fully assembled according to the instructions. Read through and become familiarized with the following procedures of handling and adjusting your generator. Failure to follow the safety instructions may result in serious personal injury. •...

  • Page 13: Generator Preparation

    GENERATOR PREPARATION REMOVING THE SHIPPING BRACKETS Your generator is shipped with two shipping brackets in order to prevent machine damage during shipping. Make sure to remove the shipping brackets before operating your generator. Failure to do so could lead to engine damage. 1.
  • Page 14 Lower Limit TIP: Your WEN generator is compatible with the WEN GNA273 Magnetic Oil Dipstick (not included), available for purchase at wenproducts.com. The dipstick’s indus- trial-strength magnetic tip will collect metal shavings Fig.
  • Page 15 GENERATOR PREPARATION STEP 2 - ADD / CHECK FUEL FUEL OPTION A: GASOLINE WARNING! RISK OF EXPLOSION. HIGHLY FLAMMABLE: This generator may emit highly flammable and explosive gasoline vapors, which can cause severe burns or even death, if ignited. A nearby open flame can lead to explosion even if not directly in contact with gasoline.
  • Page 16 GENERATOR PREPARATION FUEL OPTION B: LIQUID PETROLEUM GAS (LPG) DANGER! Explosion and fire. LP vapors are extremely flammable and explosive. Do not use or store LP cylinder in a building, garage or enclosed area. Failure to do so will result in death or serious injury. WARNING! Explosion and fire.
  • Page 17 GENERATOR PREPARATION To connect your generator to an LPG cylinder: Fig. 6 1. Take off the safety caps from the cylinder valve, generator-mounted regulator, and regulator connecting hose ends. 2. With the LPG tank closed, attach the first-stage regulator to the valve. Turn the regulator’s plastic coupling right (clockwise) to tighten the as- sembly onto the LPG tank (Fig.
  • Page 18 GENERATOR PREPARATION STEP 3 - CONNECTING THE BATTERY WARNING! Use only genuine WEN batteries with your generator (part no. DF8000X-065). Use of other bat- teries may induce premature product failure and could pose a safety risk. ABOUT THE BATTERY 5. DO NOT CRUSH, DROP OR DAMAGE BATTERY. Do not use the battery if it has sustained a sharp blow, been 1.
  • Page 19 You can order the kit at wenproducts.com by searching part DF8000X-HA. There are two kits - one for altitudes between 3000 and 6000 feet (part no. DF8000X-HA36), and the other for altitudes from 6000 to 8000 feet (part no. DF8000X-HA68). This kit should be installed by a qualified mechanic. Refer to the instructions included with your altitude kit for more information about installation.

  • Page 20: Operation & Maintenance

    STARTING YOUR GENERATOR Before starting the generator, make sure you have read and performed the steps in the “Generator Preparation” section of this manual. If you are unsure about how to perform any of the steps in this manual please call 1-847- 429-9263 M-F 8-5 CST for customer service.
  • Page 21 STARTING YOUR GENERATOR STARTING THE GENERATOR Fig. 10 1. To use gasoline, turn the fuel valve (Fig. 10 - 1) to the ON posi- tion. To use LPG, make sure all of the LPG connectors and hoses are well connected and sealed. Turn the fuel valve to the OFF posi- tion, then open the LPG tank valve.

  • Page 22: Using Your Generator

    USING YOUR GENERATOR CALCULATING THE WATTAGE OF YOUR DEVICE(S) Connect electrical devices running on AC current according to their wattage requirements. Calculate the total run- ning wattage and starting wattage of the device(s) you wish to connect, and MAKE SURE that they are within the capacity of your generator and the capacity of each individual outlet.
  • Page 23 USING YOUR GENERATOR CALCULATING THE WATTAGE OF YOUR DEVICE(S) - CONTINUED The chart below serves as a reference for the estimated wattage requirements of common electrical devices. How- ever, do not solely rely on this chart - all electronics and appliances are built differently. Always check the wattage listed on the electrical device before consulting this chart.
  • Page 24 USING YOUR GENERATOR CONNECTING ELECTRICAL DEVICES When the rated wattage requirement of each electrical device has been determined, add these numbers to find the total rated wattage needed. If this number exceeds the rated wattage (6500W) of the generator, DO NOT connect all these devices.
  • Page 25 USING YOUR GENERATOR SOME NOTES ABOUT POWER CORDS Long or thin cords can drain the power provided to an electrical device by the generator. When using such cords, allow for a slightly higher rated wattage requirement by the electrical device. Device Requirements Max.
  • Page 26 • The CO sensor has a lifetime of about 7 years, and is capable of monitoring its lifetime. If your generator shows an error light several years after purchase, it may be time to replace the CO sensor. Contact WEN customer service...

  • Page 27: Shutting Off Your Generator

    SHUTTING OFF YOUR GENERATOR CAUTION! Unplugging running devices can cause damage to the generator. Never stop the engine with elec- trical devices connected and running. OPTION 1: AUTOMATIC FUEL SHUTOFF (GASOLINE ONLY) Your generator is equipped with automatic fuel shutoff. This feature turns off the flow of fuel, allowing for the gen- erator to use up the remaining fuel from the carburetor before turning off.

  • Page 28: Maintenance

    MAINTENANCE Proper routine maintenance of the generator will help prolong the life of the machine. Please perform maintenance checks and operations according to the schedule in Table 4. CAUTION! Never perform maintenance operations while the generator is running. Before maintaining or servicing the generator, turn OFF the generator, disconnect all devices and allow the generator to cool down.
  • Page 29 MAINTENANCE CLEANING THE GENERATOR Keep the generator clean to prevent improper operation or machine damage from dirt and debris. Inspect all ventila- tion openings on the generator. These openings must be kept clean and unobstructed. If the generator becomes dirty, use a damp cloth to wipe exterior surfaces. Use a soft bristle brush to loosen dirt and oil and use a vacuum to pick up loose dirt.
  • Page 30 MAINTENANCE DRAINING THE CARBURETOR We recommend draining the carburetor after every use and before storing the generator. Draining the carburetor can prevent the fuel from clogging up the carburetor; a clogged carburetor can prevent the generator from starting. 1. With the help of another person, place the Fig.
  • Page 31 Damaged elements should be replaced with a new one. Replacement air filters can be purchased from wen- products.com by searching part number DF8000X-137.
  • Page 32 Fig. 23 We recommend replacing with a Torch F7RTC (NGK BPR7ES) spark plug (part no. DF8000X-122), available for purchase at wenproducts.com. 4. If re-using the spark plug, use a wire brush to clean any dirt from around the spark plug base, then re-gap the spark plug.
  • Page 33 Check the oil level periodically using the dipstick. Do not over fill. TIP: Your WEN generator is compatible with the WEN GNA273 Magnetic Oil Dipstick (not included), available for purchase at wenproducts.com. The dipstick’s industrial-strength magnetic tip will collect metal shavings from your...
  • Page 34 MAINTENANCE DRAINING THE FUEL TANK Drain and clean the fuel tank each year, or before storing the generator for longer than two months. To drain the fuel tank and carburetor: Fig. 26 1. Locate the carburetor (Fig. 26 - 1). It can be accessed on the back of the generator, right beside the air filter.
  • Page 35 1. Unhook the battery strap from the engine frame. Remove the battery and disconnect the quick-connector. 2. Replace with an identical new battery (part no. DF8000X-065). 3. Connect the new battery by connecting the two ends of the quick connector together.

  • Page 36: Transportation & Storage

    TRANSPORTATION & STORAGE TRANSPORTING THE GENERATOR To prevent fuel spillage when transporting, be sure to perform the following: 1. Tighten the fuel cap. 2. Push the engine switch to OFF. 3. Drain the fuel tank if possible. Refer to section "DRAINING THE FUEL TANK." 4.

  • Page 37: Troubleshooting Guide

    3. Try connecting a different device. generator. 4. Internal generator problem. 4. Contact WEN customer service for assistance. 1. Turn off and unplug all electrical devices. Wait 3 minutes, then press the Generator runs, 1. AC or DC receptacles are overloaded;...

  • Page 38: Wiring Diagram

    WIRING DIAGRAM GENERATOR BLOCK Main Winding (I) Field Winding Exciter Main Winding (II) Winding DC Winding ENGINE BLOCK...

  • Page 39: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST NOTE: Replacement parts can be purchased from wenproducts.com, or by calling our customer service at 1-847- 429-9263, M-F 8-5 CST. Parts and accessories that wear down over the course of normal use are not covered by the three-year warranty.
  • Page 40 EXPLODED VIEW & PARTS LIST GENERATOR PART NO. DESCRIPTION QTY. PART NO. DESCRIPTION QTY. Control Panel GN5602X-019 CO Sensor Module DF8000X-001ASM Assembly GN5600-021 Nut, M8 NEMA L14-30R DF8000X-026 Muffler Gasket DF8000X-002 120V/240A 30A DF8000X-027 Muffler Receptacle N.P. DF8000X-027.1 Spark Arrestor...
  • Page 41 PART NO. DESCRIPTION QTY. PART NO. DESCRIPTION QTY. Flanged Hex Bolt, GN5600M-043 Axle Pin GN5600-069 M5x6 GN5600M-044 Wheel DF8000X-056 Alternator Bracket GN5600-051 Flat Washer Washer, 6mm x GN5600-050 Cotter Pin DF8000X-057 10mm Flanged Hex Nut, GN5600-045 DF8000X-058 Bolt, M6x16 Automatic Voltage...
  • Page 42 EXPLODED VIEW & PARTS LIST ENGINE...
  • Page 43 EXPLODED VIEW & PARTS LIST ENGINE PART NO. DESCRIPTION QTY. PART NO. DESCRIPTION QTY. Flanged Hex Bolt, Carburetor DF8000X-101 DF8000X-126 M6x20 Insulator Cylinder Head DF8000X-127 Carburetor Gasket DF8000X-102 Cover DF8000X-128 Carburetor DF8000X-103 Oil Filter GN5600-129 Hose Clamp Breather Plate DF8000X-130...
  • Page 44 EXPLODED VIEW & PARTS LIST ENGINE PART NO. DESCRIPTION QTY. PART NO. DESCRIPTION QTY. DF8000X-155 Camshaft Assembly DF8000X-170 Flywheel Crankshaft DF8000X-171 DF8000X-156 Assembly DF8000X-172 Starter Cup Flanged Hex Bolt, Flanged Hex Nut, GN5600-101 DF8000X-173 M6x16 M16-1.5 DF8000X-158 Oil Level Sensor...

  • Page 45: Warranty Statement

    (3) years from date of purchase or 500 hours of use; whichever comes first. Ninety days for all WEN products if the tool is used for profes- sional or commercial use.
  • Page 46 NOTES...
  • Page 47 NOTES...
  • Page 48 THANKS FOR REMEMBERING V.2024.01.25...

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