DUROMAX XP18HPE User Manual

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
REV: XP18HPE_rev06172022
XP18HPE
USER MANUAL

DUROMAX XP18HPE Specifications

General

Max Output	18 HP
Fuel Type	Gasoline
Cooling System	Air Cooled
Starting System	Recoil Start
Ignition System	Transistorized
Oil Capacity	1.1 L
Engine Type	4-Stroke, OHV

Summary

The DuroMax Way

Duromax for Home Use

Explains the importance of portable power for home use during emergencies.

Duromax for Work Applications

Highlights the utility of portable power for job site tasks in remote locations.

Duromax for Play and Recreation

Discusses how portable power enhances outdoor activities like camping.

Introduction to DuroMax Engines

DuroMax Power Equipment Overview

Provides information about DuroMax's position as a leader in portable generator technology.

Notice Regarding Emissions Compliance

Explains emission compliance for small off-road engines.

General Safety Procedures

Safety Alert Symbol and Definitions

Explains the meaning and use of the safety alert symbol and associated warning words.

Carbon Monoxide Hazard and Ventilation

Warns about poisonous carbon monoxide gas and ventilation requirements.

Heat Hazard and Burn Prevention

Alerts users to the engine's heat output and precautions for touching hot surfaces.

General Safety Procedures (Continued)

Flammable Vapor and Explosion Precautions

Warns about flammable gasoline vapors and explosion risks, providing safety guidelines.

General Safety Procedures (Continued)

Engine Hazard Markings and Interpretations

Familiarizes users with safety and hazard markings present on the engine.

Indoor Use Carbon Monoxide Danger

Emphasizes the extreme danger of using power equipment indoors due to carbon monoxide.

Unit and Purchase Information

Serial Number Identification

Details the location and format of the engine's serial number for identification.

Purchase Receipt Management

Instructions for storing purchase receipt information for warranty and service.

Engine Components

Component Identification and Description

Lists and describes the main components of the engine with numbered labels.

Package Contents

Included Accessories and Tools

Lists and describes the items included with the engine package.

Engine Setup

Engine Setup

Step 1 - Adding Oil

Provides detailed instructions on how to add the correct amount of engine oil to the crankcase.

Engine Setup (Continued)

Step 2 - Connect the Battery

Guides users through connecting the positive and negative battery leads to the engine starter.

Engine Setup (Continued)

Step 3 - Adding Gasoline

Explains the procedure for adding unleaded gasoline to the fuel tank safely.

Starting the Engine

Before You Start Your Engine

Step 1 - Check the Oil

Details how to check the engine oil level before starting for safety and performance.

Before You Start Your Engine

Step 2 - Check the Fuel Level

Instructs on verifying sufficient gasoline in the fuel tank before operation.

Starting the Engine

Using the Electric Start

Step-by-step guide for starting the engine using the electric start method.

Starting the Engine (Continued)

Adjusting Choke and Throttle Levers

Explains adjusting the choke to 'RUN' and setting the throttle for operation.

Starting the Engine (Continued)

Using the Recoil Start

Step-by-step guide for starting the engine using the recoil start method.

Starting the Engine (Continued)

Recoil Start Handle and Lever Adjustments

Instructions for pulling the recoil handle and adjusting choke/throttle levers.

Maintenance and Care

Maintenance and Care

Maintenance Schedule Overview

Outlines a schedule for routine maintenance services based on usage intervals.

Maintenance and Care (Continued)

Break-In Period and Maintenance Log

Recommends break-in procedures and suggests keeping a maintenance log.

Maintenance and Care (Continued)

Checking the Engine Oil Level

Details how to check the engine oil level before each use.

Maintenance and Care (Continued)

Changing the Engine Oil

Step-by-step guide on how to drain and replace the engine oil.

Maintenance and Care (Continued)

Changing the Air Filter Element

Instructions for removing, cleaning, and replacing the air filter element.

Maintenance and Care (Continued)

Replacing the Air Filter Cover and Securing

Details on installing a new air filter element and refitting the cover.

Maintenance and Care (Continued)

Spark Plug Maintenance Procedure

Explains the importance of spark plug maintenance and how to inspect it.

Maintenance and Care (Continued)

Spark Plug Gap Measurement and Adjustment

Instructions for measuring, cleaning, re-gapping, and installing the spark plug.

Maintenance and Care (Continued)

Emptying the Gas Tank for Storage

Instructions for draining the fuel tank before storing the engine.

Maintenance and Care (Continued)

Fuel Draining and Storage Steps

Steps for draining fuel, replacing parts, and storing drained gasoline.

Maintenance and Care (Continued)

Storing Engine for Same Day Use

Procedures for storing the engine after use on the same day.

Maintenance and Care (Continued)

Storing Engine for Use Within 30 Days

Steps for storing the engine for periods up to 30 days.

Maintenance and Care (Continued)

Storing Engine for Longer Than 30 Days

Detailed instructions for storing the engine for extended periods beyond 30 days.

Maintenance and Care (Continued)

Long-Term Storage Preparation

Steps for preparing the engine for long-term storage, including spark plug and cylinder oil.

Specifications

Specifications

Key Engine Specifications

Lists key technical specifications of the engine, such as displacement, weight, and dimensions.

Specifications (Continued)

Adjustment, Torque, and Timing Specs

Provides detailed specifications for spark plug, valve clearance, torque, and timing.

Specifications (Continued)

Engine Dimensional Diagrams

Presents dimensional diagrams of the engine for reference.

Specifications (Continued)

Engine Component Diagrams

Continues with detailed dimensional diagrams of engine components and their measurements.

Specifications (Continued)

Engine Wiring Diagram

Illustrates the electrical wiring connections for the engine system with component labels.

Troubleshooting

Troubleshooting

Engine Will Not Start Issues

Lists common issues and solutions when the engine fails to start.

Engine Shuts Off After Short Running

Provides solutions for engines that start but then stop unexpectedly.

Electric Start/Stop Switch Problems

Troubleshoots problems related to the electric start/stop function.

Warranty

Warranty

3-Year Parts Warranty Terms

Outlines the terms of the 3-year parts warranty for residential use.

Warranty Exclusions and Limitations

Lists conditions not covered and limitations of the DuroMax warranty.

Emissions Control Warranty Statement

Explains the emissions control system warranty provided by EPA and California.

Manufacturer's Emissions Warranty Coverage

Details the two-year warranty coverage for emissions-related parts.

Warranty (Continued)

Owner's Warranty Responsibilities

Defines the owner's responsibilities regarding maintenance and warranty claims.

Defects Warranty Requirements

Specifies the conditions and duration for warranty coverage on defects.

Interpretation of Emissions Warranty Coverage

Explains how the emissions warranty is interpreted for various parts.

Warranty (Continued)

Exhaust Emission Warranty Parts List

Lists specific parts covered under the exhaust emission warranty.

Warranty (Continued)

Evaporative Emission Warranty Parts List

Lists specific parts covered under the evaporative emission warranty.

Customer Service

Contact Information and Hours

Provides DuroMax customer service contact details, including phone, website, and hours.