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Wen 56380i Manual

3800 watt inverter generator
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WENPRODUCTS.COM
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.
NOTICE: Please refer to wenproducts.com for the most up-to-date instruction manual.
INVERTER GENERATOR
IMPORTANT:
NEED HELP? CONTACT US!
Have product questions? Need technical support?
Please feel free to contact us at:
800-232-1195
techsupport@wenproducts.com
WENPRODUCTS.COM
MODEL 56380i
3800 WATT
CARB COMPLIANT
(M-F 8am-5pm CST)
bit.ly/wenvideo
EPA CERTIFIED

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  Summary of Contents for Wen 56380i

  • Page 1 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

    23.2 x 18 x 20.1 in. (L x W x H) Product Net Weight 99.2 lbs (45 kg) Your WEN 56380i generator is compatible with the WEN 56421 Parallel Connection Kit and the WEN 55201 Magnetic Oil Dipstick, available for purchase at wenproducts.com...
  • Page 3: Introduction

    INTRODUCTION THANKS FOR PURCHASING THE WEN GENERATOR. Refer to the illustration below for the location of the serial number on the side of the engine. Record the gen- erator information in the spaces provided below. If assistance for information or service is required, please contact the Customer Service Help Line by calling 800-232-1195, M-F 8-5 CST;...
  • Page 4: Safety Information

    NOTE: The following safety information is not meant to cover all possible conditions and situations that may occur. WEN reserves the right to change this product and specifications at any time without prior notice. SAVE THESE INSTRUCTIONS - Please keep this manual available to all users during the entire life of the tool.
  • Page 5: Generator Safety Warnings

    GENERATOR SAFETY WARNINGS DANGER: CARBON MONOXIDE Using a generator indoors CAN KILL YOU IN MINUTES. Generator exhaust contains carbon monox- ide (CO). This is a poison gas you cannot see or smell. If you can smell the generator exhaust, you are breathing CO.
  • Page 6 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 1. Using a generator indoors can kill you in minutes. Only use a generator OUTSIDE and far away from win- dows, doors and vents.
  • Page 7 GENERATOR SAFETY WARNINGS GENERATOR OPERATION 1. Only use the generator for its intended purposes. Modifying or using the generator for operations for which it was not designed may cause hazards and personal injury. 2. Do not touch bare wires or receptacles (outlets). 3.
  • Page 8: Know Your Generator

    KNOW YOUR GENERATOR Place the generator packaging on a sturdy, flat surface. Carefully unpack the generator and all accessories from the box, making sure it is completely empty before discarding the package. Use the illustration below to become familiar with this generator. If any part is damaged or missing, please contact our customer service at (800) 232-1195, M-F 8-5 CST or email techsupport@wenproducts.com.
  • Page 9 Turn switch to start, run, and automatically shut 6. Parallel Connection Ports off the generator Connect two WEN inverter generators through a parallel connection kit for a higher output 14. Engine Start Button Turn switch to "start" and press button to ignite 7.
  • Page 10: Generator Preparation

    GENERATOR PREPARATION REMOVING THE MOUNTING PLATES Your generator is shipped with four mounting plates that secure the engine to the generator housing in order to prevent machine damage during shipping. Make sure to remove the four mounting plates before operating your generator. To remove the mounting plates: 1.
  • Page 11 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 (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. STEP 1 - ADD/CHECK OIL The generator is shipped without oil.
  • Page 12 Fig. 5 TIP: Your WEN generator is compatible with the WEN 55201 Magnetic Oil Dipstick (not included), avail- able for purchase at wenproducts.com. The dipstick’s industrial-strength magnetic tip will collect metal shavings from your generator’s oil compartment to help preserve the engine and extend your generator’s...
  • Page 13 GENERATOR PREPARATION STEP 2 - ADD/CHECK FUEL GASOLINE WARNING: Keep generator away from open flame. 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 14 GENERATOR PREPARATION STEP 3 - CONNECT THE BATTERY WARNING: BATTERY GIVES OFF EXPLOSIVE HYDROGEN GAS. • Keep battery away from sparks, cigarettes, or other sources of flame. • Do not connect or disconnect battery while generator is running. • Service or use battery only in well ventilated areas. WARNING: Battery contains sulfuric acid.
  • Page 15 You can order the kit at wenproducts.com by searching part 56380i-HA. There are two kits - one for altitudes between 3000 and 6000 feet (56380i-HA36), and the other for altitudes from 6000 to 8000 feet (56380i-HA68).
  • Page 16: Starting The Generator

    STARTING THE GENERATOR Before starting the generator, make sure you have read and performed the steps in the “Generator Prepara- tion” section of this manual. If you are unsure about how to perform any of the steps in this manual please call (800) 232-1195 M-F 8-5 CST for customer service.
  • Page 17 STARTING YOUR GENERATOR Before starting the generator: 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 “GROUND THE GENERATOR”). 3.
  • Page 18: 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 running wattage and starting wattage of the device(s) you wish to connect, and make sure that they are within the capacity of your generator.
  • Page 19 USING THE GENERATOR The chart below serves as a reference for the estimated wattage requirements of common electrical de- vices. However, 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. Tool or Appliance Rated (Running) Watts Surge (Starting) Watts...
  • Page 20 USING THE GENERATOR KNOW YOUR CONTROL PANEL Become familiar with the functions and capacity of each component on the control panel. Fig. 14 - Control Panel CONNECTING ELECTRICAL DEVICES CAUTION: Before connecting devices, become familiar with the markings on the control panel before connecting electrical devices.
  • Page 21 PARALLEL OPERATION The parallel connection ports (Fig. 16) allow you to connect two WEN generators to increase the total available electrical power. The WEN 56421 Parallel Connection Kit can be purchased from wen- products.com. Follow the instructions included with your parallel connection kit for proper installation and operation.
  • Page 22 USING THE GENERATOR SOME NOTES ABOUT POWER CORDS Long or thin extension cords can drain the power provided to your electrical devices. 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.
  • Page 23: Shutting Off The Generator

    OPTION 1: AUTOMATIC FUEL SHUTOFF (RECOMMENDED) The WEN 3800W Inverter Generator is equipped with automatic fuel shutoff. This feature turns off the flow of fuel, allowing for the generator to use up the remaining fuel from the carburetor before turning off. This prolongs the lifespan of the generator by preventing build-up and blockages caused by stagnant fuel inside of a carburetor.
  • Page 24: Maintenance

    MAINTENANCE RECOMMENDED MAINTENANCE SCHEDULE Proper routine maintenance of the generator will help prolong the life of the machine. Please perform main- tenance checks and operations according to the Maintenance Schedule in Fig. 21. If there are any questions about the maintenance procedures listed in this manual, please call (800) 232-1195 M-F 8-5 CST or email techsupport@wenproducts.com.
  • Page 25 TIP: Your WEN generator is compatible with the WEN 55201 Magnetic Oil Dipstick (not included), avail- able for purchase at wenproducts.com. The dipstick’s industrial-strength magnetic tip will collect metal shavings from your generator’s oil pan to help preserve the engine and extend your generator’s lifespan.
  • Page 26 MAINTENANCE DRAINING THE CARBURETOR We recommend draining the carburetor after every use and before storing the generator. (If the gen- erator is shut off using the AUTO OFF/FUEL OFF, it is only necessary to drain it before periods of long storage.) Draining the carburetor can prevent the fuel from clogging up the carburetor;...
  • Page 27 If the air filter element has been damaged, replace it with a new one. Replacement air filters can be ordered from wenproducts.com by searching part no. 56380i-1001.1. 4. Reinstall the air cleaner element, air cleaner cover and service panel.
  • Page 28 MAINTENANCE SPARK PLUG MAINTENANCE Refer to Recommended Maintenance Schedule in Fig. 21 for maintaining the spark plug. The spark plug is important for proper engine operation. Check the spark plug regularly to maintain proper engine operation. A good spark plug should be intact, free of deposits, and properly gapped. To inspect or replace the spark plug: 1.
  • Page 29 MAINTENANCE DRAINING/CHANGING OIL Change the oil according to the Recommended Maintenance Schedule in Fig. 21. Change the oil MORE OFTEN if operating under heavy load or high ambient temperatures. It is also neces- sary to drain the oil from the crankcase if it has become contaminated with water or dirt. Changing the oil when the engine is warm allows for complete drainage.
  • Page 30 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: 1. Using a Phillips-head screwdriver (not included), remove the service panel on the opposite side of the recoil starter by un- screwing the top two screws (Fig.
  • Page 31 4. Disconnect the positive (+) battery terminal second (red Fig. 33 cable). 5. Replace with an identical new battery (part no. 56380i- 1304). 6. Connect the positive (+) battery terminal (red cable) first. Slide rubber boot over the positive terminal.
  • Page 32: Transportation & Storage

    TRANSPORTATION & STORAGE TRANSPORTING THE GENERATOR To prevent fuel spillage when transporting, be sure to perform the following: 1. Tighten the fuel cap and turn the vacuum relief valve to “OFF”. 2. Set the engine switch to “OFF”. 3. Drain the fuel tank if possible (see “DRAINING THE FUEL TANK”). 4.
  • Page 33: Troubleshooting Guide

    TROUBLESHOOTING GUIDE WARNING: Stop using the generator immediately if any of the following problems occur or risk se- rious personal injury. If you have any questions, please contact our customer service at (800) 232-1195, M-F 8-5 CST or email us at techsupport@wenproducts.com. PROBLEM POSSIBLE CAUSE SOLUTION...
  • Page 34: Specifications

    SPECIFICATIONS GENERATOR Rated Wattage 3400 Watts Surge Wattage 3800 Watts AC: 120V Rated Voltage DC: 12V (Cigar Lighter), 5V (USB) AC: 28.3A (Total), 28.3A (TT-30R), 20A (5-20R) Rated Amperage DC: 10A (Total), 8A (Cigar Lighter), 1A/2.1A (USB) Phase Single Frequency 60Hz Length: 23.2 in.
  • Page 35: Wiring Diagram

    WIRING DIAGRAM...
  • Page 36: Exploded View & Parts List

    Description Qty. Crankcase 56380i-0201 Cover, Crankcase 56380i-0101 Subassembly 56200-0803 56380i-0102 Flat Washer 56380i-0203 Ball Bearing Connector, 56380i-0103 56380i-0204 Gasket, Crankcase Oil Drain Hose 56310i-0306 Seal, Oil 56380i-0104 Oil Drain Hose 56310i-0307 Bolt 56380i-0105 Trigger 56310i-1106 Bolt Crankcase Side 56380i-0107 Shield...
  • Page 37 Fig. 3 - Cylinder Head Assembly Fig. No. Part No. Description Qty. Fig. No. Part No. Description Qty. 56200-1202 Bolt 56310i-0109 Bolt Cylinder Head 56380i-0309 Bolt 56380i-0302 Cover Cylinder Head 3-10 56380i-0310 Subassembly Gasket Cylinder Head 56380i-0303 3-11 56380i-0311 Cover Gasket...
  • Page 38 Qty. Piston Ring Fig. 6 - Valve Train & Camshaft Subassembly 56310i-0501 Assembly Fig. No. Part No. Description Qty. 56310i-0505 Piston Pin Clip Camshaft 56380i-0601 56380i-0503 Piston Assembly 56310i-0504 Piston Pin 56380i-0602 Valve Set 56380i-0505 Connecting Rod 6-12 56380i-0602.1 Intake Valve 6-11 56380i-0602.2...
  • Page 39 Fuel Tube 56200-0103 56200-1305 Fuel Strainer Fig. 10 - Air Filter Assembly Fig. No. Part No. Description Qty. Air Filter 56380i-1001 Assembly 10-1 56380i-1001.1 Air Filter Element 10-2 56380i-1002 Intake Tube Intake Tube 10-3 56380i-1003 Clamp 10-4 56310i-1420 Bolt Secondary 10-5...
  • Page 40 EXPLODED VIEW & PARTS LIST Fig. 11 - Muffler Assembly Fig. No. Part No. Description Qty. 11-1 56380i-1101 Shroud 11-2 56380i-1102 Muffler Cover Support 11-3 56380i-1103 Impeller 11-4 56380i-1104 Muffler Insulation Plate 11-5 56380i-1105 Muffler Assembly 11-6 56380i-1106 Muffler Gasket...
  • Page 41 12-3 56380i-1203 Fuel Tank Outlet 12-4 56310i-1701 Bolt 12-5 56380i-1205 Flat Washer 12-6 56380i-1206 Bushing 12-7 56380i-1207 Fuel Tank Damper 12-8 56380i-1208 Fuel Tank Cap 12-9 56380i-1209 Fuel Strainer 12-10 56380i-1210 Fuel Tank Sleeve Fuel Level 12-11 56200-0413 Sight Glass...
  • Page 42 EXPLODED VIEW & PARTS LIST Fig. 13 - Frame Fig. No. Part No. Description Qty. Fig. No. Part No. Description Qty. Engine Frame Carbon Tank 13-1 56380i-1301 13-14 56380i-1314 Assembly Mounting Bracket 13-2 56380i-1302 Battery Case 13-15 56380i-1315 Carbon Tank Carbon Tank Hose, 13-3...
  • Page 43 56380i-1426 USB Outlet 14-9 56380i-1409 Bolt 14-27 56380i-1427 Grounding Nut 14-10 56380i-1410 Panel Seat NEMA 14-28 56380i-1428 TT-30R Outlet 14-11 56200-0302 Screw And Washer 14-29 56380i-1429 DC Breaker, 10A Control Panel 14-12 56380i-1412 Subassembly 14-30 56380i-1430 AC Breaker, 20A 14-13...
  • Page 44 56380i-1501 Handle Tube 15-9 56380i-1509 Bolt 15-10 56310i-0209 Bolt 15-2 56380i-1502 Left Rotation Arm 15-11 56310i-1807 Nylon Nut 15-3 56380i-1503 Right Rotation Arm 15-12 56380i-1512 Flat Washer Left Handle 15-4 56380i-1504 Connector Connector 15-13 56380i-1513 Fastener Right Handle 15-5 56380i-1505...
  • Page 45 EXPLODED VIEW & PARTS LIST Fig. 16 - Side Covers Fig. No. Part No. Description Qty. Fig. No. Part No. Description Qty. 16-1 56380i-1601 Left Cover 16-11 56200-0612 Screw And Washer 16-2 56200-0406 Bolt Recoil Starter 16-12 56200-0420 Handle 16-3...
  • Page 46 Bolt 18-3 56380i-1803 Heat Insulator 18-4 56380i-1804 Inner Muffler Cover 18-5 56200-0406 Bolt NOTE: Replacement parts can be purchased from wenproducts.com, or by calling our customer service at (800) 232-1195, M-F 8-5 CST. Parts and accessories that wear down over the course of normal use are not...
  • Page 47: Warranty Statement

    WEN® will repair or replace, at its discretion, any part that is proven to be defective in materials or work- manship under normal use during the two (2) years warranty period. Warranty repairs or replacements will be made without charge for parts or labor.
  • Page 48 THANKS FOR REMEMBERING...