Wen 4050 Owner's Manual
  1. Manuals
  2. Brands
  3. Wen Manuals
  4. Portable Generator
  5. 4050
  6. Owner's manual

Wen 4050 Owner's Manual

7hp
Hide thumbs
Table of Contents

Advertisement

Quick Links

FEATURES
• 4050 Surge Watt Output
• 3500 Rated Watt Output
• Powerful Enough to Run Essential Appliances During Power Outages
• 120 and 240 Volt AC Outputs
• Low Oil Automatic Shutoff
• Circuit Breaker for Overload Protection
• 4 Gallon Fuel Tank Capacity
• Spark Arrester
• Meets EPA Emission Standards
www.wenproducts.com
MODEL 4050
7 HP Generator
Item # 56400
Owner's Manual
Manual del Propietario
Questions? Problems?
Please call our customer help line:
(800) 232-1195
M-F 8-5 CST
2014

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 4050 and is the answer not in the manual?

Questions and answers

Related Manuals for Wen 4050

Summary of Contents for Wen 4050

  • Page 1 Please call our customer help line: (800) 232-1195 M-F 8-5 CST FEATURES • 4050 Surge Watt Output • 3500 Rated Watt Output • Powerful Enough to Run Essential Appliances During Power Outages • 120 and 240 Volt AC Outputs • Low Oil Automatic Shutoff •...

  • Page 2: Generator Identification

    GENERATOR IDENTIFICATION For information and questions, please contact the Customer Service Help Line by calling 800-232- 1195. Certain information will be requested by the Customer Service Representative and to facilitate that, please fill in the information below. Refer to the illustration below for the location of Serial Number. Record generator information in the spaces provided below.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS GENERATOR IDENTIFICATION ....................i SERVICE RECORD ......................... i INTRODUCTION ..........................1 SAFETY INFORMATION ......................2 GENERAL SAFETY PROCEDURES ................... 3 IMPORTANT SAFETY INSTRUCTIONS ................... 5 PACKAGE CONTENTS ......................... 6 GENERATOR COMPONENTS ..................... 7 GENERATOR PREPARATION ....................8 Using the Generator for the First Time ..................

  • Page 4: Introduction

    INTRODUCTION ® Thank You for Purchasing a WEN Product. This manual provides information regarding the safe operation and maintenance of this product. Every effort has been made to ensure the accuracy of the information in this manual. ® reserves the right to change this product and specifications at any time without prior notice.

  • Page 5: Safety Information

    SAFETY INFORMATION Before operating this generator read and observe all warnings, cautions, and instructions on this sheet, on the generator, and in the Owner’s Manual. NOTE: The following safety information is not meant to cover all possible conditions and situations that may occur. Read the entire Owner’s Manual for safety and operating instructions.

  • Page 6: General Safety Procedures

    GENERAL SAFETY PROCEDURES For any questions regarding the hazard and safety notices listed in this manual or on the (800) 232-1195 M-F 8-5 CST product, please call before using the generator. DANGER : CARBON MONOXIDE. Using a generator indoors CAN KILL YOU IN MINUTES.
  • Page 7 WARNING : This generator produces powerful voltage, which can result in electrocution. • ALWAYS ground the generator before using it (see the “Ground the Generator” portion of the “GENERATOR PREPARATION” section). • Generator should only be plugged into electrical devices, either directly or with an extension cord.

  • Page 8: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS • SAVE THESE INSTRUCTIONS – This manual contains important instructions for WEN 4050 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 the generator as well as extension and power supply cords connected to it for damage resulting from vibration.

  • Page 9: Package Contents

    (800) 232-1195 If there are any damaged or missing items, please call M-F 8-5 CST for customer service ITEM LIST WEN 4050 Generator, Three-Prong Plug, NEMA L14-30 Plug, Spark Plug Wrench and Instruction Manual...

  • Page 10: Generator Components

    GENERATOR COMPONENTS Please familiarize yourself with the locations and functions of the various components and controls of your generator. (1) Fuel Gauge- Indicates the amount of fuel in the (9) Oil Fill and Dipstick- Location for checking and filling tank. engine oil.

  • Page 11: Generator Preparation

    Failure to perform these steps properly can damage the generator or shorten its life. WEN 4050 generator was completely assembled at the factory. If anything is damaged, contact WEN customer service at 1 800 232 1195 M-F 8-5 CST.

  • Page 12: Step 2- Add Gasoline

    • Gasoline can age in the tank and make it hard to start up the generator in the future. Never store generator for extended periods of time with fuel in the tank. Model number 4050 Fuel tank 4 gallons capacity...

  • Page 13: Step 3- Ground The Generator

    Step 3- Ground the Generator WARNING: Failure to properly ground the generator can result in electrocution. Ground the generator by tightening the grounding nut against grounding wire (see figure 4). A generally acceptable grounding wire is a No. 12 AWG (American Wire Gauge) stranded copper wire.

  • Page 14: Starting The Generator

    STARTING THE 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 (800) 232-1195 M-F 8-5 CST of the steps in this manual please call for customer service.
  • Page 15 To start your generator, perform the following steps: 1. No electrical devices should be connected to the generator during starting. Devices can make it difficult for the engine to start. 2. Check that the generator is properly grounded (see “Ground the Generator”). 3.

  • Page 16: Subsequent Starting Of The Generator

    SUBSEQUENT STARTING OF THE GENERATOR If this is not the first time using the generator, 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 section titled “Using the Generator for the First Time.”...

  • Page 17: Step 3- Ground The Generator

    Step 3- Ground the Generator WARNING: Failure to properly ground the generator can result in electrocution. Ground the generator by tightening the grounding nut on the front control panel against a grounding wire. (Figure 11) A generally acceptable grounding wire is a No. 12 AWG (American Wire Gauge) stranded copper wire.

  • Page 18: Using The Generator

    Model Number Rated(Running) Wattage Surge Wattage 4050 3500 4050 Figure 7- generator wattage by model number. The total running wattage requirement of the electrical devices connected to the generator should not exceed the rated wattage of the generator itself.
  • Page 19 generator, DO NOT connect all these devices. Select a combination of electrical devices, which has a total rated wattage lower than or equal to the rated wattage of the generator. CAUTION: The generator can run at its surge wattage capacity for only a short time. Connect electrical devices requiring a rated (running) wattage equal to or less than the rated wattage of the generator.
  • Page 20 3. Move the voltage selector to the desired position. Move the switch to the left to use the standard 120 Volt receptacles. Move the switch to the right to use the 240/120 Volt NEMA receptacle. 4. The power indicator lights will light accordingly as the Volt Selector is selected. They light up when the receptacles receive power.
  • Page 21 HIGH ALTITUDE OPERATION ABOVE 3000 FEET The fuel system on this generator may be influenced by operation at higher altitudes. Proper operation can be ensured by installing an altitude kit at altitudes higher than 3000 feet above sea level. At elevations above 8000 feet, the engine may experience decrease performance, even with the proper main jet.

  • Page 22: Stopping The Generator

    STOPPING THE GENERATOR To stop the generator: 1. Turn off all electrical devices prior to unplugging them from the generator. Unplugging running devices can cause damage to the generator. 2. Turn the engine switch to the “OFF” position. 3. Turn the fuel valve to the “OFF” (horizontal) position. WARNING: Allow the generator to cool for several minutes before touching areas that become hot during use.

  • Page 23: Maintenance / Care

    MAINTENANCE / CARE Proper routine maintenance of your generator will help prolong the life of your machine. Please perform maintenance checks and operations according the schedule in figure 11. If you have questions about any of the maintenance procedures listed in this manual, please call (800) 232-1195 M-F 8-5 CST.

  • Page 24: Changing/ Adding Oil

    Figure 12- Checking the oil Changing/ Adding Oil Change the oil according to the maintenance schedule in figure 11. Change the oil when the engine is warm. This will allow for complete drainage. Change oil more often if operating under heavy load or high ambient temperatures.

  • Page 25: Air Cleaner Maintenance

    Air Cleaner Maintenance Routine maintenance of the air cleaner helps maintain proper air flow to the carburetor. Check that the air cleaner is free of excessive dirt. 1. Unscrew the air cleaner cover (see figure 15). 2. Remove the sponge-like element from the casing. 3.

  • Page 26: Spark Plug Maintenance

    Spark Plug Maintenance The spark plug is important for proper engine operation. A good spark plug should be intact, free of deposits, and properly gapped. To inspect the spark plug: 1. Pull on the spark plug cap to remove it. 2.

  • Page 27: Storage / Transport Procedures

    Spark Arrester Cleaning Allow the engine to cool completely before servicing the spark arrester. Remove the screw holding the cover plate which retains the end of the spark arrester to the muffler. Remove the spark arrester screen. Carefully remove the carbon deposits from the spark arrester screen with a wire brush. Replace the spark arrester if it is damaged.

  • Page 28: Specifications

    SPECIFICATIONS Generator AC Output Rated Wattage 3500 W Surge Wattage 4050 W Rated Voltage 240V/120 V Rated Amperage 14.5A/29A Rated Frequency 60 Hz Phase Single Dimensions(in): length= 24.4 width= 17.7 height= 18.5 Weight 95 lbs Engine 4-stroke OHV single cylinder with forced air...

  • Page 29: Troubleshooting

    TROUBLESHOOTING IMPORTANT: If trouble persists please call our customer help line at (800) 232-1195 M-F 8-5 Central Time. Problem Cause Solution Engine will not Engine switch is set start to "OFF". Set engine switch to "ON". Fuel valve is turned to "OFF".

  • Page 30: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST...

  • Page 35: Wiring Diagram

    WIRING DIAGRAM...
  • Page 36 NOTES:...

  • Page 37: Warranty Statement

    WARRANTY STATEMENT ® FOR WEN GENERATORS ® generators are warranted (to the original purchaser) to be free from defects in materials and workmanship for a period of two (2) years from the date of original purchase. Generators used for commercial or for rental have a warranty period of 90 days from date of original purchase.

Table of Contents

Save PDF