DUROMAX XP9HP 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: XP9HP_rev05252022

XP9HP

USER MANUAL

CONTENTS

1. Introduction .................................................................................................................... 6

General Safety Procedures............................................................................................ 8

Unit and Purchase Information................................................................................... 12

Engine Components ..................................................................................................... 13

Package Contents ......................................................................................................... 14

Introduction

4. Maintenance Schedule................................................................................................. 26

Break-In Period ............................................................................................................. 27

Maintenance Log........................................................................................................... 27

Checking the Oil ............................................................................................................ 28

Changing the Oil............................................................................................................ 29

Changing the Air Filter.................................................................................................. 30

Spark Plug Maintenance .............................................................................................. 32

Emptying the Gas Tank ................................................................................................ 34

Storing the Engine for Same Day Use ........................................................................ 36

Storing the Engine for Use Within 30 Days................................................................ 37

Storing the Engine for Longer Than 30 Days............................................................. 38

Maintenance and Care

3. Check the Oil ................................................................................................................. 20

Check the Fuel Level ..................................................................................................... 21

Starting the Engine ....................................................................................................... 22

Starting the Engine

Adding Oil ...................................................................................................................... 16

Adding Gasoline ............................................................................................................ 17

High Altitude Operation ............................................................................................... 18

Engine Setup

5. Specications................................................................................................................. 43

Adjustment and Torque Specications ...................................................................... 44

Engine Diagrams........................................................................................................... 45

Wiring Diagram ............................................................................................................. 47

Specications

For more information and resources on this model scan the QR

code below to link to our website product information page.

CONTENTS

.......................................................................................................................... 54

Warranty

......................................................................................................... 58

Customer service

Troubleshooting

...........................................................................................................51

THE DUROMAX WAY

The DuroMax Way is more than just a brand, it is our understanding and appreciation of just how

important power can be to someone without it…

DUROMAX FOR HOME

Electricity in our home not

only provides comfort but

safety as well. From keeping

the heat or A/C on to keeping

our food cold, power is

essential to our daily lives.

Inevitability when disaster

strikes and we are left without

power for a prolonged period

of time, our way of life is

put at risk. This is by far the

most critical time for reliable

portable power.

DUROMAX FOR WORK

On the job site, portable

power allows you the ability

to get work done in remote

locations when traditional

power sources are usually

unavailable. Equipment like

table saws, sanders, and

work lights are a necessity

and portable power can

play a critical role in getting

a job done successfully and

eciently.

DUROMAX FOR PLAY

Camping outdoors in a

remote location can get one

in touch with nature and allow

them to forget the stress of

the day to day grind. Here

portable power can provide

comfort as well as safety. With

portable power, you can keep

your cell phone charged, light

up your campsite, or even

brew a cup of coee, all while

being miles from civilization.

The DuroMax Way is a commitment to excellence. This vision is focused on the quality, reliability,

and durability of our products combined with outstanding customer service. We understand that

having dependable power whenever and wherever you need it provides comfort, safety, and peace

of mind. It is through this philosophy that DuroMax achieves our vision of...

INTRODUCTION

DuroMax Power Equipment is headquartered in Ontario, California and is the industry’s leader in

Dual Fuel portable generator technology. In addition to a full assortment of portable generators

ranging from digital inverters to large 15,000-watt portable standby units, their product line

includes pressure washers, engines, pumps, and accessories.

The foundation of our company is built on quality, reliability, durability, and customer service. At

DuroMax our vision is simple, we are committed to Powering Everyone... Anywhere!

STOP

Please do not return

to the store.

DuroMax representatives are ready to help you

with any questions, concerns, or issues about your

new product. We can guide you through assembly,

start up, and how to operate your new generator.

We want you to be able to put your new generator

to use right away!

CALL US BEFORE YOU CONSIDER

RETURNING THE PRODUCT!

1-844-DUROMAX

TOLL-FREE

Engines that are certied to comply with U.S. EPA emission regulations for SORE (Small o Road

Equipment), are certied to operate on regular unleaded gasoline and may include the following

emission control systems: (EM) Engine Modications and (TWC) Three-Way Catalyst (if so equipped).

Notice Regarding Emissions

SAFETY ALERT SYMBOL

DANGER:This engine produces poisonous carbon monoxide gas when running. This gas

is both odorless and colorless. Even if you do not see or smell gas, carbon monoxide may

still be present. Breathing this poison can lead to headaches, dizziness, drowsiness, and

eventually death.

●Use outdoors ONLY in non-conned areas.

●Keep several feet of clearance on all sides to allow proper ventilation of the engine.

WARNING: The exhaust from this product contains chemicals known to the State of

California to cause cancer, birth defects, or other reproductive harm.

WARNING: This engine produces heat when running. Temperatures near exhaust can

exceed 150°F (65°C).

●Do not touch hot surfaces. Pay attention to warning labels on the engine denoting hot

parts of the machine.

●Allow engine to cool several minutes after use before touching engine or areas which

heat during use.

The safety alert symbol is used with one of the safety words (DANGER,

CAUTION, or WARNING) to alert you of hazards. Please pay attention to

these hazard notices both in this manual and on the engine.

GENERAL SAFETY PROCEDURES

Please familiarize yourself with the following safety symbols and words:

●DANGER: Indicates a hazard that will result in serious injury or death if instructions are not

followed.

●WARNING: Indicates a strong possibility of causing serious injury or death if instructions are not

followed.

●CAUTION: Indicates a possibility of personal injury or equipment damage if instructions are not

followed.

WARNING: This engine may emit highly ammable and explosive gasoline vapors, which

can cause severe burns or even death. A nearby open ame can lead to an explosion

even if not directly in contact with gasoline.

●Do not operate near an open ame.

●Do not smoke near the engine.

●Always operate on a rm, level surface.

●Always turn the engine o before refueling.

●Allow engine to cool for at least 2 minutes before removing the fuel cap. Loosen cap

slowly to relieve pressure in the tank.

●Do not overll the gas tank. Gas may expand during operation. Do not ll to the top

of the tank.

●Always check for spilled gas before operating.

●Empty the gasoline tank before storing or transporting the engine.

●Before transporting, turn the fuel valve to the o position and disconnect

the spark plug.

In addition to the above safety notices, please familiarize

yourself with the safety and hazard markings on the

engine.

GENERAL SAFETY PROCEDURES (CONTINUED)

1.5”

Table of contents

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