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Changing Nozzles on Spray Wand

DO NOT attempt to
change nozzles

while pressure washer is running.
Turn engine off before changing
nozzles.

1.   Pull quick connect coupler back

and insert nozzle.

2.

Release quick connect coupler
and twist nozzle to make sure it is
secure in coupler.

Risk Of Injury.
Ensure nozzle is

completely inserted in QC socket,
and QC snap ring is fully engaged
(forward) before squeezing gun
trigger.

Risk of injection or
injury to person. Do

not direct discharge stream toward
persons, unprotected skin, eyes, or
any pets or animals. Serious injury
can occur.

10- ENG

A00088

HOW TO APPLY CHEMICALS
AND CLEANING SOLVENTS 

Applying chemicals or cleaning
solvents is a low pressure operation.

NOTE:

Use only soaps and chemicals

designed for pressure washer use. 

Do

not use bleach.

To Apply chemicals:

1.

Press chemical
hose

onto barbed

fitting located near
high pressure hose
connection of
pump as shown.

Barb
Fitting

STARTING

Prior to starting, refer to your engine
manual for proper starting
procedures.
1.

In a well ventilated outdoor area

add fresh, high quality, unleaded
gasoline with a pump octane
rating of 86 or higher.  Do not
overfill. Wipe up spilled fuel before
starting the engine. Refer to
Engine Owners Manual for correct
procedure.

2.

Check engine oil level.

See

Engine Owners Manual for correct
procedure. 

3.

Verify the filter
screen

is in

water inlet of
pump. 

NOTE:

Cone side
faces out.

Filter Screen

2.

Place other end 

of chemical hose

with filter on it into container holding
chemical/cleaning solution. 

NOTE:

For every 7 gallons of water
pumped 1 gallon of
chemical/cleaning solution will be
used.

3.

Install low pressure (black) nozzle

into quick connect fitting of spray
wand, see How To Use Spray Wand
paragraph in this section.

4.

After use of chemicals,

place

chemical hose into container of
clean water and draw clean water
through chemical injection system
to rinse system thoroughly. If
chemicals remain in the pump it
could be damaged. Pumps
damaged due to chemicals will not
be covered under warranty.

NOTE: 

Chemicals and soaps will not

siphon when spray wand is in the high
pressure setting.

Summary of Contents for XR2750

Page 1: ...structions 2 5 Carton Contents 6 Assembly Instructions 6 7 Operating Instructions 7 11 Maintenance 12 Storage 13 Trouble Shooting Guide 14 15 Warranty 16 Español 17 36 Record All Information and attach sales receipt here for future reference Purchase Date __________________________ Serial ________________________________ Do Not return this product to the retailer Questions 1 800 888 2468 Learn mor...

Page 2: ...rush grass or other similar items then an approved spark arrester must be installed and is legally required in the state of California It is a violation of California statutes section 130050 and or sections 4442 and 4443 of the California Public Resources Code unless the engine is equipped with a spark arrester as defined in section 4442 and maintained in effective working order Spark arresters ar...

Page 3: ...imals Some cleaning fluids contain substances which could cause injury to skin eyes or lungs Use only cleaning fluids specifically recom mended for high pressure washers Follow manufacturers recommendations Do not use chlorine bleach or any other corrosive compound RISK TO BREATHING HAZARD WHAT CAN HAPPEN HOW TO PREVENT IT RISK OF EXPLOSION OR FIRE continued HAZARD WHAT CAN HAPPEN HOW TO PREVENT I...

Page 4: ...e clothing to protect eyes and skin from contact with sprayed materials Use of acids toxic or corrosive chemicals poisons insecticides or any kind of flam mable solvent with this product could re sult in serious injury or death RISK OF CHEMICAL BURN HAZARD WHAT CAN HAPPEN HOW TO PREVENT IT Fuel or oil can leak or spill and could result in fire or breathing hazard serious injury or death can result...

Page 5: ...tion of your pressure washer could lead to serious injury or death to you or others Do not use chlorine bleach or any other corrosive compound Become familiar with the operation and con trols of the pressure washer Keep operating area clear of all persons pets and obstacles Do not operate the product when fatigued or under the influence of alcohol or drugs Stay alert at all times Never defeat the ...

Page 6: ...e snap buttons and slide the handle assembly onto the frame until snap buttons snap into place CARTON CONTENTS Bagged Parts Nozzle Cleaning Tool Engine Frame and Wheel Assembly High Pressure Hose Spray Gun Quick Connect Spray Wand Engine Manual Handle Quick Connect Nozzles Nozzle Holder 4 To Assemble Water Vroom surface cleaning guide NOTE If not using the Water Vroom surface cleaning guide procee...

Page 7: ...OPERATING INSTRUCTIONS Compare the illustrations with your unit to familiarize yourself with the location of various controls and adjustments Save this manual for future reference Engine High Pressure Hose Spray Gun Chemical Hose High Pressure Pump BASIC ELEMENTS OF A PRESSURE WASHER High Pressure Pump Increases the pressure of the water supply Engine Drives the high pressure pump High Pressure Ho...

Page 8: ...Injection System Mixes cleaners or cleaning solvents with the water to improve cleaning effectiveness 8 ENG A00088 PRESSURE WASHER TERMINOLOGY PSI Pounds per Square Inch The unit of measure for water pressure Also used for air pressure hydraulic pressure etc GPM Gallons Per Minute The unit of measure for the flow rate of water CU Cleaning Units GPM multiplied by PSI GPM x PSI CU Water Supply All p...

Page 9: ...NOT use hot water use cold water only NEVER turn water supply off while pressure washer engine is running or damage to pump will result DO NOT stop spraying water for more than two minutes at a time Pump operates in bypass mode when spray gun trigger is not pressed If pump is left in bypass mode for more than two minutes internal components of the pump can be damaged If you do not understand these...

Page 10: ...er to your engine manual for proper starting procedures 1 In a well ventilated outdoor area add fresh high quality unleaded gasoline with a pump octane rating of 86 or higher Do not overfill Wipe up spilled fuel before starting the engine Refer to Engine Owners Manual for correct procedure 2 Check engine oil level See Engine Owners Manual for correct procedure 3 Verify the filter screen is in wate...

Page 11: ...to start water flow NOTE Stand on a stable surface and grip gun spray wand firmly with both hands Expect the gun to kick when triggered 11 ENG A00088 Water Source High Pressure Hose NOTE If using the Water Vroom surface cleaning guide quickly and effortlessly guide it across the flat surface being cleaned 11 Release trigger to stop water flow 12 Adjust spray for the task being performed by changin...

Page 12: ... flammable fuel DO NOT smoke or work near open flames while performing maintenance To ensure efficient operation and longer life of your pressure washer a routine maintenance schedule should be prepared and followed If the pressure washer is used in unusual conditions such as high temperatures or dusty conditions more frequent maintenance checks will be required ENGINE Consult the Engine Owners Ma...

Page 13: ... attached to one end Use only RV antifreeze Any other antifreeze is corrosive and can damage pump 2 Disconnect spark plug wire 3 Connect length of garden hose to water inlet of pump 4 Add RV antifreeze to hose as shown 5 Pull engine starter rope slowly several times until antifreeze comes out of high pressure hose connection of pump 6 Remove garden hose from water inlet of pump 7 Reconnect spark p...

Page 14: ...n Low water supply Water supply must be at least 5 GPM 20 PSI Leak at high pressure hose fitting Repair leak Apply sealant tape if necessary Nozzle obstructed See Nozzle Cleaning instructions in the Maintenance section Water filter screen clogged Remove and clean filter Defective E Z start valve Check with Authorized Warranty Service Center AWSC Air in hose Turn off the engine then the water sourc...

Page 15: ...ve Check and replace Loose hose connection Loose connections Tighten Piston packings worn Have replaced by AWSC Worn or broken o rings Have replaced by AWSC Pump head or tubes damaged from freezing Have replaced by AWSC Will not draw chemicals Make sure end of chemical hose is fully submerged into cleaning solution Chemical filter clogged Worn or broken o ring Tighten Have replaced by AWSC Oil lea...

Page 16: ...e purchaser does not receive satisfactory results from the Authorized Warranty Service Center the purchaser should contact DeVilbiss Air Power Company THIS WARRANTY DOES NOT COVER Merchandise sold as reconditioned used as rental equipment or floor or display models Merchandise that has become damaged or inoperative because of ordinary wear misuse cold heat rain excessive humidity freeze damage use...

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