Wen 56477i Instruction Manual
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Wen 56477i Instruction Manual

4800-watt portable inverter generator
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MODEL 56477i
4800-WATT PORTABLE
INVERTER 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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Summary of Contents for Wen 56477i

  • 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

    Exploded View & Parts List ................31 Warranty Statement ..................36 WENPRODUCTS.COM To purchase accessories for your tool, visit Magnetic Oil Dipstick (Model No. 55201) Weatherproof Generator Cover (Model No. 56310iC) High-Altitude Kit (Part No. 56477i-HA39) WEN Parallel Connection Kit...

  • Page 3: Welcome

    SPECIFICATIONS GENERATOR Model Number 56477i Surge (Starting) Wattage 4800W Rated (Running) Wattage 4000W Rated Voltage AC: 120V; DC: 12V / 5V Rated Amperage AC 33.3A; DC 8.3A (12V), 2.1A / 1A (USB) Phase Single Frequency 60 Hz Product Weight 72.7 Pounds Product Dimensions 23.8 in.

  • Page 4: Introduction

    INTRODUCTION Thanks for purchasing the WEN 4800-Watt Inverter 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 assis- tance 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. OPERATING ENVIRONMENT 3. If any part of the generator, electrical device or pow- er cord is broken, damaged, or defective, make sure 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 Inverter Generator

    KNOW YOUR INVERTER GENERATOR TOOL PURPOSE Inverter Generators provide you with clean and quiet power, when and where you need it most. Refer to the fol- lowing 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 INVERTER GENERATOR CONTROL PANEL 1. Parallel Connection 6. AC Circuit Breakers (20A) Connect to share wattage between inverter generators. Press to reset. 7. 12V DC Outlet 2. Eco-Mode Switch Cigarette-style outlet provides DC power. Maximizes fuel economy & run time. 8.

  • Page 12: Preparation

    PREPARATION The following section describes the necessary steps to prepare the generator for use. If you are unsure about how to perform any of the steps please call 1-847-429-9263 M-F 8-5 CST for customer service. Failure to perform these steps properly can damage the generator or shorten its life. STEP 1 - ADD / CHECK OIL The generator is shipped without oil.
  • Page 13 See Fig. 3. TIP: Your WEN generator is compatible with the WEN 55201 Magnetic Oil Dipstick (not included), available for purchase at wenproducts.com. The dipstick’s industrial-strength magnetic tip will collect metal shavings from your generator’s oil tank to help preserve the engine and extend your generator’s lifespan.
  • Page 14 This kit should be installed by a qualified mechanic. You can order the kit at wenproducts.com by searching part number 56477i-HA39. Refer to the instructions included with your CAUTION! UNINSTALL the high altitude kit when altitude kit for more information about installation.

  • Page 15: Operation & Maintenance

    STARTING YOUR GENERATOR Before starting the generator, make sure you have read and performed the steps in the “Preparation” section of this manual, pages 12-14. 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 16 STARTING YOUR GENERATOR BEFORE STARTING THE GENERATOR Fig. 6 1. Verify that the generator is outside on a dry, level surface. Allow at least two feet of clearance on all sides of the generator. 2. To maximize safety, check that the generator is properly grounded. See page 14, “Ground the Generator.”...
  • Page 17 PARALLEL OPERATION Fig. 9 The parallel connection feature (Fig. 10 - 1) allows you to connect two WEN generators to increase the total available electrical power. The “Parallel Connection Kit” can be purchased from wenproducts. com. Follow the instructions included with your WEN parallel connection kit for proper installation and operation.

  • Page 18: 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 19 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 20 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 (4000W) of the generator, DO NOT connect all these devices.
  • Page 21 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 22: Stopping Your Generator

    STOPPING YOUR GENERATOR SHUTTING OFF THE GENERATOR 1. Turn off all electrical devices and then unplug the devices from the generator. CAUTION! Unplugging running devices can cause damage to the generator. Never stop the engine with elec- trical devices connected and running. 2.

  • Page 23: 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 24 MAINTENANCE WARNING! Make sure generator is shut off before performing any inspection or maintenance procedures. CHECKING / ADDING OIL Fig. 13 Check the oil level of the generator according to the Recommended Main- tenance Schedule in Table 4. The oil level should be checked before each use or every 8 hours of operation.
  • Page 25 If the electrodes are worn or burned, or porcelain is cracked, replace with an LG F6RTC (NGK BPR6ES) spark plug (Part No. 56477i-163), available at wenproducts.com. 5. 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 26 If the element is damaged, replace it with a new one (part. no. 56477i-103, available at wenproducts.com). 4. Reinstall the air filter element and the air filter cover. Replace the side cover and secure it with the screws.
  • Page 27 5. Carefully clean and remove the carbon deposits from the spark arrestor screen with a wire brush. Replace the spark arrestor if it is damaged (part no. 56477i-115, available for purchase at wenproducts.com). 6. Reinstall the spark arrestor in the muffler and secure it in place with the screw.

  • Page 28: Transportation & Storage

    TRANSPORTATION & STORAGE TRANSPORTING THE GENERATOR To prevent fuel spillage when transporting, be sure to perform the following: 1. To extend or collapse the handle, press the handle release button, adjust the handle as desired, then release the button. The handle will automatically lock in the fully-extended and the locked positions. 2.

  • Page 29: Troubleshooting Guide

    TROUBLESHOOTING GUIDE WARNING! Stop using the generator immediately if any of the following problems occur or risk serious personal injury. If you have any questions, please contact customer service at 1-847-429-9263 (M-F 8-5 CST), or email techsupport@wenproducts.com. PROBLEM POSSIBLE CAUSE SOLUTION Engine switch is set to OFF.

  • Page 30: Wire Diagram

    WIRING DIAGRAM...

  • Page 31: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST GENERATOR...
  • Page 32 Battery Cover Panel 56477i-049 Grounding Wire 56477i-016 Phillips Bolt, M5x10.7 56477i-050 Clip 56477i-017 Muffler Panel 56477i-051 Wiring Harness 56477i-018 Bolt, M8x12 52 56477i-052ASM Rear Cover Assembly 56477i-019 Wheel 56477i-053 Fuel Hose 56477i-020 Axle Assembly 56477i-054 Fuel Tank Bumper 56477i-021 Fuel Tank 56477i-055...
  • Page 33 EXPLODED VIEW & PARTS LIST ENGINE PART NO. DESCRIPTION QTY. PART NO. DESCRIPTION QTY. 56477i-101 Bolt, M6x14 Self-tapping Screw, 56477i-111 ST4.8x20 56477i-102 Bolt, M6x85 Self-tapping Screw, 56477i-103 Air Filter Assembly 56360iX-087 ST4.2x25 N.P. 56477i-103.1 Air Filter Element 56360iX-084 Clip 56477i-104...
  • Page 34 EXPLODED VIEW & PARTS LIST ENGINE PART NO. DESCRIPTION QTY. PART NO. DESCRIPTION QTY. Bushing, 56477i-159 Circlip 56477i-121 12x16.8-8.5x6.5 56477i-160 Piston 56477i-122 Crankcase Cover Connecting Rod 56477i-161 56477i-123 Crankcase Gasket Assembly 56477i-124 Pin, 8x14 56477i-162 Piston Pin 56360iX-070 Bearing, TM6205...
  • Page 35 Parallel Socket, Black NEMA 5-20R 120V 56360iX-205 Nut, M6 DG4500iX-208 20A AC Duplex 56203i-005.11 Lock Washer, 6mm Receptacle 56203i-005.12 Flat Washer, 6mm 56477i-214 Multi-Meter 56360iX-208 Grounding Stud 56477i-215 Reset Button Toothed Lock Washer, 56360iX-209 USB Receptacle 56477i-216 (2.1A / 1A)

  • Page 36: 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.

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