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Wen GN875i

Wen GN875i
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8750-WATT
INVERTER GENERATOR
Instruction Manual
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.
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
TECHSUPPORT@WENPRODUCTS.COM1-800-232-1195 (M-F 8AM-5PM CST)
For replacement parts and the most up-to-date instruction manuals, visit WENPRODUCTS.COM
MODEL GN875i

Table of Contents

Questions and Answers:

Wen GN875i Specifications

General IconGeneral
BrandWen
ModelGN875i
CategoryPortable Generator
LanguageEnglish

Summary

GENERATOR SPECIFICATIONS

Generator Details

Technical specifications of the generator unit itself, including model, wattage, and voltage.

Engine Specifications

Technical specifications of the generator's engine, such as type, displacement, and capacity.

INTRODUCTION AND SERVICE

Product Overview

Welcome message and general introduction to the generator.

Service Record Maintenance

Section for recording service dates and tips for maximizing generator lifespan.

GENERAL SAFETY GUIDELINES

Work Area and Electrical Safety

Guidelines for a safe work environment and electrical precautions.

Personal Safety and Attire

Recommendations for operator's safety, PPE, and dress code.

GENERAL SAFETY GUIDELINES (Continued)

Tool Use, Care, and Service

Instructions for proper tool operation, care, and service.

California Proposition 65 Hazard Notice

Disclosure of chemical hazards and safety measures.

CRITICAL GENERATOR SAFETY WARNINGS

Carbon Monoxide Dangers

Critical warnings about deadly CO gas and safe operating locations.

Fire and Explosion Hazards

Precautions against flammable vapors, heat, and ignition sources.

CRITICAL GENERATOR SAFETY WARNINGS (Continued)

Safe Operating Environment

Guidelines for generator placement, weather conditions, and use.

Generator Preparation and Grounding

Steps for preparing the generator and ensuring electrical safety.

CRITICAL GENERATOR SAFETY WARNINGS (Continued)

Maximizing Lifespan and Operation Tips

Advice for prolonging generator life and safe operation.

UNPACKING AND PARTS VERIFICATION

Unpacking and Content Check

Instructions for safely removing the generator from packaging and verifying parts.

UNDERSTANDING YOUR GENERATOR

Generator Component Identification

Visual guide to the generator's main parts and controls.

GENERATOR CONTROL PANEL OVERVIEW

Control Panel Functions Explained

Detailed description of each control, indicator, and port on the control panel.

ASSEMBLY AND ADJUSTMENTS PROCEDURE

High Altitude Operation and Kit Installation

Guidance for operating at high altitudes and installing the altitude kit.

COMPONENT INSTALLATION GUIDELINES

Installing Feet, Wheels, and Handle

Step-by-step guide for attaching feet, wheels, and handle to the generator.

GENERATOR PREPARATION STEPS

Engine Oil: Checking, Adding, and Types

Procedures and recommendations for checking, adding, and selecting engine oil.

PREPARATION: OIL LEVEL AND FUELING

Oil Level Check and Fueling Procedure

Procedures for checking oil level and adding fuel to the generator.

PREPARATION: FUELING AND BATTERY CONNECTION

Fueling and Battery Connection Steps

Steps for adding gasoline and connecting the battery for generator operation.

PREPARATION: GROUNDING FOR ELECTRICAL SAFETY

Generator Grounding Procedure

Instructions for proper grounding to ensure electrical safety.

STARTING THE GENERATOR: CRITICAL SAFETY FIRST

Essential Pre-Start Safety Warnings

Essential safety information regarding CO, flammability, and electrical hazards before starting.

STARTING THE GENERATOR: OPERATIONAL PROCEDURES

Pre-Start Checks and Engine Starting

Steps before starting and methods for starting the engine using electric or recoil starters.

USING YOUR GENERATOR: POWER MANAGEMENT

Calculating Device Wattage Requirements

Guide to determining power needs for connected devices.

GENERATOR USAGE: APPLIANCE WATTAGE REFERENCE

Estimated Appliance Wattages Table

Reference table for common appliance power consumption.

GENERATOR USAGE: CONNECTING LOADS AND OVERLOADS

Connecting Devices, Eco-Mode, and Overload Handling

How to connect loads, use eco-mode, and manage overloads.

GENERATOR USAGE: INDICATORS AND POWER CORDS

Indicator Lights and Power Cord Selection

Understanding status lights and choosing proper extension cords.

SHUTTING OFF THE GENERATOR SAFELY

Manual Shutoff Procedure and Precautions

Steps for safely turning off the generator and cooling it down.

ROUTINE MAINTENANCE SCHEDULE

Recommended Maintenance Tasks and Intervals

Overview of required maintenance checks and intervals.

MAINTENANCE: CLEANING AND OIL CHANGES

Cleaning Generator and Changing Engine Oil

Procedures for cleaning the generator and changing the engine oil.

MAINTENANCE: CARBURETOR AND AIR FILTER CARE

Draining Carburetor and Cleaning Air Filter

Steps for draining the carburetor and cleaning the air filter.

MAINTENANCE: SPARK ARRESTOR AND SPARK PLUG SERVICE

Spark Arrestor and Spark Plug Maintenance

Procedures for maintaining the spark arrestor and spark plug.

MAINTENANCE: FUEL TANK DRAINAGE FOR STORAGE

Fuel Tank Draining Procedure

Instructions for draining the fuel tank for storage.

MAINTENANCE: BATTERY CARE AND STORAGE GUIDELINES

Battery Maintenance and Storage Recommendations

Guidelines for battery care, charging, and storage procedures.

TRANSPORT AND STORAGE GUIDELINES

Transporting, Storing, and Product Disposal

Procedures for moving, storing, and disposing of the generator.

TROUBLESHOOTING: ENGINE AND POWER ISSUES

Engine Start and Power Output Problems

Solutions for common problems like engine not starting or no electrical output.

TROUBLESHOOTING: LOAD SUPPORT AND RPM ISSUES

Load Support and Engine RPM Fluctuation Solutions

Troubleshooting for problems with supporting electrical loads or engine RPM instability.

GENERATOR WIRING DIAGRAM

Electrical System Schematic

A visual representation of the generator's electrical system.

EXPLODED VIEWS AND PARTS LIST: ENGINE COMPONENTS

Crankcase and Cylinder Head Parts

Illustrated breakdown of crankcase and cylinder head components.

PARTS LIST: ENGINE INTERNAL ASSEMBLIES

Crankcase Cover, Crankshaft, Valve Train Parts

Illustrated parts for engine internal assemblies.

PARTS LIST: STARTER, SHROUD, CARBURETOR

Starter, Shroud, and Carburetor Parts

Illustrated parts for starter, housing, and fuel system components.

PARTS LIST: FLYWHEEL, AIR FILTER, MUFFLER

Flywheel, Air Filter, and Muffler Parts

Illustrated parts for rotating assemblies, air intake, and exhaust.

PARTS LIST: FUEL TANK ASSEMBLY

Fuel Tank Assembly Parts

Illustrated parts list for the fuel tank assembly.

PARTS LIST: FRAME ASSEMBLY

Frame Assembly Parts

Illustrated parts list for the generator's structural frame.

PARTS LIST: CONTROL PANEL COMPONENTS

Control Panel Assembly Parts

Illustrated parts list for the control panel components.

PARTS LIST: WHEEL, HANDLE, AND ACCESSORIES

Wheel and Handle Assembly Parts

Illustrated parts list for wheel and handle assemblies.

Included Accessories List

List of accessories provided with the generator.

PRODUCT WARRANTY DETAILS

Limited Warranty Terms and Conditions

Details of the product's warranty coverage and conditions.

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