Wen 56475 Instruction Manual
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Wen 56475 Instruction Manual

4750-watt portable generator
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MODEL 56475
4750-WATT
PORTABLE GENERATOR
Instruction Manual
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
1-800-232-1195 (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 1-800-232-1195 (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

    CONTENTS WELCOME Specifications ....................3 Introduction ..................... 4 SAFETY General Safety Rules ..................5 Generator Safety Warnings ................7 BEFORE OPERATING Know Your Generator ..................10 Assembly & Adjustments ................12 Generator Preparation ..................14 OPERATION & MAINTENANCE Starting the Generator ..................17 Stopping the Generator ..................

  • Page 3: Welcome

    SPECIFICATIONS GENERATOR Model Number 56475 Surge (Starting) Wattage 4750 Watts Rated (Running) Wattage 3750 Watts Rated Voltage 120V Phase Single Frequency 60 Hz Product Weight 118 Pounds Product Dimensions 23.2 in. x 17.3 in. x 18 in. ENGINE Engine Type...

  • Page 4: Introduction

    INTRODUCTION Thanks for purchasing the WEN 4750-Watt Portable Generator. Refer to the illustration below for the location of the serial number. Record the generator information in the spaces provided below. If assistance for information or service is required, please contact customer service by calling 1-800-232-1195, M-F 8-5 CST; you will be asked to provide the following generator information when calling.

  • Page 5: Safety

    GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
  • Page 6 GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

  • Page 7: 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 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. GENERATOR SAFETY 16) Only use generator for its intended purposes. 1) Do not operate the generator near an open flame.
  • Page 9 Failure to follow the safety instructions may result in serious personal injury. SAVE THESE INSTRUCTIONS This manual contains important instructions for the WEN generator that should be followed during installation and maintenance of the generator. Generators vibrate in normal use. During and after the use of the generator, inspect both the generator as well as extension and power supply cords for damage resulting from vibration.

  • Page 10: Before Operating

    KNOW YOUR GENERATOR TOOL PURPOSE 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 4. 120V AC Duplex Receptacle 7. 120V 30A RV Receptacle Start and stop the engine. To connect electrical devices that 8. Grounding Nut run 120V, 60 Hz, single phase AC 2. Digital Engine Hour Counter current.

  • Page 12: Assembly & Adjustments

    ASSEMBLY & ADJUSTMENTS HIGH ALTITUDE OPERATION ABOVE 3000 FEET Fig. 1 Refer to Fig. 1 to gather the proper parts and tools for in- Main Jet (1) stalling the high altitude kit. Installation instructions are in- cluded with the high altitude kits. This kit should be installed by a qualified mechanic.
  • Page 13 ASSEMBLY & ADJUSTMENTS ATTACHING THE WHEELS Fig. 4 1. Find a wood block or similar item that is 3 inches thick or greater and rest the exhaust end of the generator on the block (Fig. 4). 2. Take one wheel shaft, and one M12 nut as shown (Fig. 5).

  • Page 14: Generator Preparation

    GENERATOR 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 1-800-232-1195 (M-F 8-5 CST) for customer service. Failure to perform these steps properly can damage the generator or shorten its life.
  • Page 15 GENERATOR PREPARATION WARNING! 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. STEP 2 - ADD GASOLINE Use fresh (within 30 days from purchase), lead-free gasoline with a minimum of 87 octane rating.
  • Page 16 GENERATOR PREPARATION WARNING! Battery gives off explosive hydrogen gas. • Keep battery away from spark, flame, or cigarette. • Do not connect or disconnect battery while generator is running. • Service or use battery only in well ventilated areas. WARNING! Battery contains sulfuric acid. Battery acid is poisonous. Tilting the generator with the battery installed can cause battery acid to spill.

  • Page 17: Operation & Maintenance

    STARTING THE GENERATOR Before starting the generator, make sure you have read and performed the steps in the “Generator Preparation” sec- tion of this manual. If you are unsure about how to perform any of the steps in this manual please call 1-(800) 232-1195 M-F 8-5 CST for customer service.

  • Page 18: Stopping The Generator

    STARTING THE GENERATOR STARTING THE ENGINE Fig. 10 1. Unplug all electrical devices from the generator during ignition. Otherwise it will be difficult for the engine to start. 2. Check that the generator is properly grounded (Ground the Generator). 3. Check the oil and fuel levels. 4.

  • Page 19: Subsequent Starting Of The Generator

    SUBSEQUENT STARTING OF THE GENERATOR If this is not the first time using the generator, the user should take the following steps to prepare it for operation. IMPORTANT! At this point the user should be familiar with the procedures described in the sections titled “Start- ing the Generator”...

  • Page 20: Using The Generator

    USING THE 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 21 USING THE 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 22 USING THE GENERATOR SOME NOTES ABOUT POWER CORDS Refer to the following chart in determining the necessary gauge extension cord for each of your devices. Round up to the higher amperage in the chart to maximize safety. Device Requirements Max. Cord Length (ft) by Wire Gauge Amps Watts Watts (240V)

  • Page 23: Maintenance

    MAINTENANCE RECOMMENDED MAINTENANCE SCHEDULE Proper routine maintenance of the generator will help prolong the life of the machine. Please perform maintenance checks and operations according to the maintenance schedule below, Table 4. If there are any questions about the maintenance procedures listed in this manual, please contact customer service at 1-800-232-1195 (M-F 8-5 CST), or email techsupport@wenproducts.com.
  • Page 24 MAINTENANCE DRAINING THE CARBURETOR Fig. 12 Draining the carburetor is recommended after every use to prevent the fuel from clogging up the carburetor. The car- buretor can be accessed from the backside of the generator between the engine and the air filter. Carburetor Carburetor 1.
  • Page 25 MAINTENANCE CHANGING / DRAINING THE OIL Change the oil according to the Recommended Maintenance Schedule. Changing the oil when the engine is warm allows for complete drainage. Change the oil more often if operating under heavy load or high ambient tempera- tures.
  • Page 26 MAINTENANCE AIR CLEANER MAINTENANCE Fig. 15 Routine maintenance of the air cleaner helps maintain prop- er airflow to the carburetor. Occasionally check that the air cleaner is free of excessive dirt. Refer to Recommended Maintenance Schedule. 1. Unscrew the cover bolt (Fig. 15 - 1), then remove the air cleaner cover.
  • Page 27 MAINTENANCE SPARK PLUG MAINTENANCE Check the spark plug regularly for proper engine operation (refer to the Recommended Maintenance Schedule. A good spark plug should be intact, free of deposits, and properly gapped. To inspect the spark plug (Fig. 17 - 19): 1.

  • Page 28: Storage & Transport

    MAINTENANCE DRAINING THE FUEL TANK Clean the fuel tank each year or before storing the generator for extended periods of time. To drain the fuel tank and carburetor: 1. Turn the fuel valve to the “OFF” position. 2. Remove the fuel line between the fuel valve and carburetor. CAUTION! A small amount of fuel may leak from the hose during removal.

  • 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 1-800-232-1195 (M-F 8-5 CST), or email techsupport@wenproducts.com. PROBLEM POSSIBLE CAUSE SOLUTION Engine switch is set to OFF.

  • Page 30: 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-(800) 232-1195, M-F 8-5 CST. Parts and accessories that wear down over the course of normal use are not covered by the two-year warranty. Not all parts may be available for purchase. Fig.
  • Page 31 EXPLODED VIEW & PARTS LIST Fig. 4 - Crankshaft Part Description Qty. Fig. 3 - Crankcase Cover Assembly P54123B Crankshaft Assembly Part Description Qty. P54075 Crankcase Cover P54004B Bearing P54088 Oil Seal P54080 Crankcase Gasket P54082 P54086 Oil Dipstick Assembly P54092 Bolt M8x32 Fig.
  • Page 32 EXPLODED VIEW & PARTS LIST Fig. 7 - Recoil Starter Part Description Qty. 7-11 P54604 Recoil Starter Assembly Fig. 8 - Shroud 7-12 P54598 Bolt Part Description Qty. P54668B Shroud End P54044 Shroud Body P54596B Lower Shield P54612 Diode P54040 Bolt P54040 Bolt...
  • Page 33 11-8 P54638 Assembly 12-8 P54619 Bolt 11-9 56475-1109 Bolt 11-10 56475-1110 Coil Clamp Fig. 13 - Starter Assembly Part Description Qty. 13-1 56475-1301 Sarter Subassembly 13-2 56475-1302 Bolt 13-3 56475-1303 Selenoid 13-4 56475-1304 Bolt 13-7 56475-1305 13-8 56475-1306 Clip 13-9...
  • Page 34 Fuel Cap 15-10 P54372 Fuel Filter Fuel Gauge 15-11 P54374 Assembly Fuel Gauge 15-12 P54374 Assembly 15-13 P54375-9 Clamp 15-14 56475-1518 Rubber Hose Carbon Tank 15-15 56475-1524 Hose 15-16 56475-1526 Bolt 15-17 56475-1525 Carbon Tank 15-18 56475VN-1518 Fuel Cock 15-19 P54388...
  • Page 35 P54838B 30A Circuit Breaker Rubber Foot 17-8 P54262 Grounding Terminal 16-7 P54871 Assembly 17-9 P54272B 120/240V Receptacle Rubber Foot 17-10 56475-1810 RV Receptacle 16-8 P54871 Assembly 17-11 56475-1811 Wiring Harness 16-9 56475-1720 Air Cleaner Mount 17-12 56475-1812 Rear Panel 16-10...
  • Page 36 1-(800) 232-1195, M-F 8-5 CST. Parts and accessories that wear down over the course of normal use are not covered by the two-year warranty. Not all parts may be available for purchase. Fig. 18 - Rotor / Stator Part Description Qty. 18-1 56475-1901 Rotor Assembly Fig. 19 - Handles 18-2 P54336 Rotor Bracket Part Description Qty.

  • Page 37: Wiring Diagram

    WIRING DIAGRAM...

  • Page 38: Warranty Statement

    Contact techsupport@wenproducts.com or 1-800-232-1195 with the following information to make arrangements: your shipping address, phone number, serial number, required part numbers, and proof of purchase. Damaged or defective parts and products may need to be sent to WEN before the replacements can be shipped out.
  • Page 39 NOTES...
  • Page 40 THANKS FOR REMEMBERING V. 2021.03.09...

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