DUROMAX Duro Star DS4000S User Manual

DS4000S GENERATOR
This manual provides information regarding the operation
and maintenance of these products. We have made every
effort to ensure the accuracy of the information in this
manual. We reserve the right to change this product at
any time without prior notice.
5800 Ontario Mills Pkwy
Ontario, CA 91764 USA
www.duromaxpower.com
Call our Customer Care Team Toll Free 8-5pm PST Mon-Fri
844-DUROMAX
User Manual
REV: DS4000S-01242018

DUROMAX Duro Star DS4000S Specifications

General

Displacement	208cc
Starting System	Recoil
Run Time	8 Hours at 50% Load
DC Output	12V, 8.3A
AC Output	4000 Watts (Peak), 3500 Watts (Running)
Outlet Types	Two 120V 20A Outlets, One 120V 30A RV Outlet, One 12V DC Outlet

Summary

Introduction

Emissions Compliance Notice

Details US EPA emission regulations and control systems for the generator.

General Safety Procedures

Safety Alert Symbols and Hazard Words

Explains safety alert symbols, words, and general hazard awareness.

Carbon Monoxide & Exhaust Hazards

Warns about deadly carbon monoxide gas and hazardous exhaust emissions.

Flammable Fuel and Safe Operation

Addresses fuel risks, explosion potential, safe operation, and grounding.

Generator Markings and Prohibitions

Explains generator markings and critical prohibitions like indoor use and touching hot parts.

Quick Start Guide

Initial Setup Steps

Covers unpacking, removing braces, adding oil, and adding gasoline.

Starting the Generator

Details turning on the gas, setting the choke, and using the recoil start.

Post-Start Procedures

Includes opening the choke and connecting electrical devices.

Generator Components

Control Panel Components

Identifies components on the control panel like breakers, meters, and outlets.

Engine and Frame Components

Details components related to the engine, frame, and grounding.

Engine Accessories and Controls

Identifies engine-related parts such as fuel valve, spark plug, and muffler.

Generator Setup

Initial Preparation and Assembly

Covers unpacking, removing braces, and optional wheel/handle installation.

Fuel and Oil Preparation

Instructions for adding engine oil and gasoline before starting.

Safety and Operational Adjustments

Details generator grounding and considerations for high altitude operation.

Starting the Generator

Pre-Start Checks

Procedures for checking engine oil and fuel levels before starting.

Gasoline Starting Procedure

Step-by-step guide to starting the generator using gasoline.

Engine Warm-up and Choke Adjustment

How to adjust the choke as the engine warms up after starting.

Using the Generator

AC Power Usage Guidelines

Information on connecting devices and understanding wattage requirements.

Appliance Wattage Examples

Provides a chart of common appliances and their wattage needs.

Connecting Loads to Receptacles

How to plug devices into the generator and turn on the breaker.

Choosing the Right Power Cord

Guidance on selecting appropriate power cords based on amperage and length.

Maintenance and Care

Routine Maintenance Schedule

Overview of service intervals for oil, air cleaner, spark plug, and fuel system.

Engine Oil Service

Detailed procedures for checking and changing the engine oil.

Air Filter and Spark Plug Care

Instructions for cleaning the air cleaner and maintaining the spark plug.

Fuel System and Storage

Covers emptying the fuel tank, cleaning the filter, and storage guidelines.

Troubleshooting

Common Starting Problems

Solutions for when the engine will not start.

Output and Loading Issues

Addresses problems with no electrical output or inability to support loads.

Carbon Brush Inspection and Replacement

Guide for inspecting and replacing the generator's carbon brushes.

AVR Inspection and Replacement

Steps for inspecting and replacing the Automatic Voltage Regulator (AVR).

Wiring Diagram

Generator Electrical Layout

Visual representation of the generator's internal wiring and components.

Warranty Information

Warranty Terms and Coverage

Details the 3-year parts warranty and its coverage for residential use.

Warranty Exclusions and Limitations

Lists conditions not covered by the warranty and its overall limitations.

Customer Service

Contact and Support Information

Provides contact details, hours, website, and email for customer support.