PRESSURE WASHER
OWNERS MANUAL
for
Model 3540CWHP
This product is not equipped with a spark arresting muffler. If the product will be used around
flammable materials, or on land covered with materials such as agricultural crops, forest, brush, 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 arrestor, as defined in section 4442,
and maintained in effective working order. Spark arresters are also required on some U. S. Forest service
land and may also be legally required under other statutes and ordinances.
This product may contain chemicals known to the state of California to cause cancer, birth defects, or other
reproductive harm. This warning is given in compliance with California Proposition 65, as detectable amounts
of chemicals subject to proposition 65 may be contained in this product.
D20249 Rev 2 9/8/00
Read Owner's Manual. Do not operate equipment until you
have read Owners Manual for Safety, Assembly, Operation,
Maintenance and Storage Instructions.
CAUTION
ENGINE OIL MUST BE ADDED TO THE ENGINE BEFORE USE.
TABLE OF CONTENTS
Table of Contents ................................................... 2
Owner's Responsibilities ......................................... 2
Pressure Washer Return Policy ............................. 2
Warranty .................................................................. 3
Safety Rules ............................................................ 4
Unpacking ...............................................................6
Contents of Carton ................................................. 6
OWNER'S RESPONSIBILITIES
Congratulations! You have purchased a high quality
product from America’s leading manufacturer of
pressure washers. This pressure washer, when
properly used and maintained, will provide trouble
free service. Please read and follow these instructions for proper use and maintenance.
• Read and understand all safety warnings.
• Read this Owner’s Manual. Save these instruc-
tions. Owner's manual should remain with unit
at all times.
• Do not operate this unit until you have read this
Owners Manual for Safety, Operation, and
Maintenance Instructions.
• Read the Engine Owner's Manual supplied
with this unit.
Assembly ................................................................ 7
Operation .............................................................. . 9
Maintenance ......................................................... 15
Storage ................................................................. 16
Troubleshooting .................................................... 17
Repair Parts .......................................................... 18
Quick Facts ..............................................back page
• Do not operate this unit until you have read the
Engine Owners Manual for Safety, Operation, and
Maintenance Instructions.
• Check for visible shipping damage. Shipping
damage will cause problems in operation of this
unit.
• If you experience any problems and need assistance, please call us at our toll free number
1-800-888-2468, Ext 2. 8:00 a.m. to 8:00 p.m.
E.S.T.
• If you need warranty repair or service part purchase, you can locate an Authorized Warranty
Service Center nearest you by calling us at
1-800-888-2468, Ext 2, 24 hours a day, 7 days a
week.
NOTE: Photos and illustrations in this manual are for reference only and may not represent a specific
model.
PRESSURE WASHER RETURN POLICY
➜ Within 15 days of your purchase, Sam's will gladly exchange your pressure washer or refund your money.
Sales receipt is required.
➜ After 15 days manufacturer's warranty applies.
➜ Refer to this Owners Manual for manufacturer's warranty.
➜ If you need warranty repair or service part purchase, you can locate an Authorized Warranty Service Center
nearest you by calling us at 1-800-888-2468, Ext 2, 24 hours a day, 7 days a week.
SAFETY GUIDELINES - DEFINITIONS
This manual contains information that is important for you to know and understand. This information relates to protecting
YOUR SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the symbols
below. Please read the manual and pay attention to these sections.
DANGER indicates an imminently hazardous situation
which, if not avoided, will result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if
not avoided, may result in minor or moderate injury.
WARNING indicates a potentially hazardous situation
which, if not avoided, could result in death or serious
injury.
D20249
CAUTION used without the safety alert symbol indicates a
potentially hazardous situation which, if not avoided, may
result in property damage.
2 — ENG
10/2/97
WARRANTY
All merchandise manufactured by DeVilbiss Air Power Company Manufacturing is warranted to be free of defects in
workmanship and material which occur during the first year from the date of purchase by the original purchaser (initial user).
Products covered under this warranty include: air compressors, *air tools, accessories, service parts, pressure washers, and
generators used in consumer applications (i.e., personal residential household usage only).
Air compressors, *air tools, accessories, service parts, pressure washers, and generators used in commercial applications
(income producing) are covered by a 90 day warranty.
DeVilbiss Air Power Manufacturing will repair or replace, at DeVilbiss’ option, products or components which have failed
within the warranty period. Repair or replacement, and service calls on 60 and 80 gallon air compressors, will be handled
by Authorized Warranty Service Centers and will be scheduled and serviced according to the normal work flow and business
hours at the service center location, and depending on the availability of replacement parts.
All decisions of DeVilbiss Air Power Company Manufacturing with regard to this policy shall be final.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
RESPONSIBILITY OF ORIGINAL PURCHASER (Initial User):
❏ To process a warranty claim on this product, DO NOT return it to the retailer. The product must be evaluated by an
Authorized Warranty Service Center. For the location of the nearest Authorized Warranty Service Center call
1-800-888-2468, Ext. 2, 24 hours a day, 7 days a week or visit our web site @ devap.com.
❏ Retain original cash register sales receipt as proof of purchase for warranty work.
❏ Use reasonable care in the operation and maintenance of the product as described in the Owners Manual(s).
❏ Deliver or ship the product to the nearest DeVilbiss Air Power Manufacturing Authorized Warranty Service Center.
Freight costs, if any, must be paid by the purchaser.
❏ Air compressors with 60 and 80 gallon tanks only will be inspected at the site of installation. Contact the nearest
Authorized Warranty Service Center, that provides on-site service calls, for service call arrangement.
❏ If the purchaser does not receive satisfactory results from the Authorized Warranty Service Center, the purchaser
should contact DeVilbiss Air Power Company Manufacturing.
THIS WARRANTY DOES NOT COVER:
❏ Merchandise sold as reconditioned, floor models and/or display models. Any damaged or incomplete equipment sold
"as is".
❏ Merchandise used as "rental" equipment.
❏ Merchandise that has become inoperative because of ordinary wear, misuse, freeze damage, use of improper
chemicals, negligence, accident, improper and/or unauthorized repair or alterations including failure to operate the
product in accordance with the instructions provided in the Owners Manual (s) supplied with the product.
*Air Tools: O-Rings and driver blades are considered ordinary wear parts, therefore, they are warranted for a period
of 45 days from the date of purchase.
❏ An air compressor that pumps air more than 50% during a one hour period is considered misuse because the air
compressor is undersized for the required air demand. Maximum compressor pumping time per hour is 30 minutes.
❏ Merchandise sold by DeVilbiss Air Power Manufacturing which has been manufactured by and identified as the
product of another company. The product manufacturer's warranty will apply.
❏ Repair and transportation costs of merchandise determined not to be defective.
❏ Cost associated with assembly, required oil, adjustments or other installation and start-up cost.
❏ ANY INCIDENTAL, INDIRECT OR CONSEQUENTIAL LOSS, DAMAGE, OR EXPENSE THAT MAY RESULT
FROM ANY DEFECT, FAILURE OR MALFUNCTION OF THE PRODUCT. Some states do not allow the exclusion
or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
❏ IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, ARE LIMITED TO ONE YEAR FROM THE DATE OF ORIGINAL PURCHASE. Some states do not allow
limitations on how long an implied warranty lasts, so the above limitations may not apply to you.
Form: SP-100-H - 9/18/00
213 Industrial Drive • Jackson, TN 38301-9615
Telephone: 1-800-888-2468 , Ext. 2
FAX: 1-800-888-9036
3 — ENG
D20249
IMPORTANT SAFETY INSTRUCTIONS
IMPROPER OPERATION OR MAINTENANCE OF THIS PRODUCT COULD RESULT IN SERIOUS INJURY AND PROPERTY
DAMAGE. READ AND UNDERSTAND ALL WARNINGS AND OPERATING INSTRUCTIONS BEFORE USING.
HAZARD
DANGER
RISK OF EXPLOSION
OR FIRE
DANGER
RISK TO BREATHING
WARNING
RISK OF UNSAFE
OPERATION
D20249
• Spilled gasoline and it’s vapors can become
ignited from cigarette sparks, electrical arcing,
exhaust gases, and hot engine components
such as the muffler.
• Heat will expand fuel in the tank which could
result in spillage and possible fire explosion.
• Operating the pressure washer in an explosive
environment could result in a fire.
• Materials placed against or near the pressure
washer can interfere with its proper ventilation
features causing overheating and possible
ignition of the materials.
• Muffler exhaust heat can damage painted
surfaces, melt any material sensitive to heat
(such as siding, plastic, rubber, or vinyl), and
damage live plants.
• Improperly stored fuel could lead to accidental ignition. Fuel improperly secured could
get into the hands of children or other
unqualified persons.
• Use of acids, toxic or corrosive chemicals,
poisons, insecticides, or any kind of flammable solvent with this product could result in
serious injury or death.
• Breathing exhaust fumes will cause serious
injury or death.
• Some cleaning fluids contain substances which
could cause injury to skin, eyes, or lungs.
• Unsafe operation of your pressure washer
could lead to serious injury or death to you
or others.
• If proper starting procedure is not
followed, engine can kickback causing
serious hand and arm injury.
• The spray gun/wand is a powerful cleaning
tool that could look like a toy to a child.
• Reactive force of spray will cause gun/wand
to move, and could cause the operator to
slip or fall, or misdirect the spray. Improper
control of gun/wand can result in injuries to
self and others.
4 — ENG
• Shut off engine and allow it to cool before
• Use care in filling tank to avoid spilling fuel.
• Keep maximum fuel level ½” below top of
• Operate and fuel equipment in well
• Never operate pressure washer in an area
• Always keep pressure washer a minimum of
• Store fuel in an OSHA approved container,
• Do not spray flammable liquids
• Operate pressure washer in a well venti-
• Never operate unit in a location occupied
• Use only cleaning fluids specifically
• Become familiar with the operation and
• Keep operating area clear of all persons,
• Do not operate the product when fatigued
• Never defeat the safety features of this
• Do not operate machine with missing,
• Never leave wand unattended while unit is
• If engine does not start after two pulls,
• Keep children away from the pressure
• Do not overreach or stand on an unstable
HOW TO PREVENT ITWHAT CAN HAPPEN
adding fuel to the tank.
Move pressure washer away from fueling
area before starting engine.
tank to allow for expansion.
ventilated areas free from obstructions.
Equip areas with fire extinguishers suitable
for gasoline fires.
containing dry brush or weeds.
four feet away from surfaces (such as
houses, automobiles, or live plants) that
could be damaged from muffler exhaust
heat.
in a secure location away from work area.
lated area. Avoid enclosed areas such as
garages, basements ,etc.
by humans or animals.
recommended for high pressure washers.
Follow manufacturers recommendations.Do
not use chlorine bleach or any other
corrosive compound
controls of the pressure washer.
pets, and obstacles.
or under the influenceof alcohol or drugs.
Stay alert at all times.
product.
broken, or unauthorized parts.
running.
squeeze trigger of gun to relieve pump
pressure. Pull starter cord slowly until
resistance is felt. Then pull cord rapidly
to avoid kickback and prevent hand or
arm injury.
washer at all times.
support. Grip gun/wand firmly with both
hands. Expect the gun to kick when
triggered.
HAZARD
WARNING
RISK OF
ELECTRICAL
SHOCK
IMPORTANT SAFETY INSTRUCTIONS
WHAT CAN HAPPEN HOW TO PREVENT IT
• Spray directed at electrical outlets or
switches, or objects connected to an
electrical circuit, could result in a fatal
electrical shock.
• Unplug any electrically operated product
before attempting to clean it. Direct spray
away from electric outlets and switches.
WARNING
RISK TO FLUID
INJECTION
WARNING
RISK OF CHEMICAL BURN
WARNING
RISK OF HOT SURFACES
• Your washer operates at fluid pressures
and velocities high enough to penetrate
human and animal flesh, which could
result in amputation or other serious
injury. Leaks caused by loose fittings or
worn or damaged hoses can result in
injection injuries. DO NOT TREAT FLUID
INJECTION AS A SIMPLE CUT! See a
physician immediately!
• Relieve system pressure before attempting maintenance or disassembly of
equipment.
• Use of acids, toxic or corrosive chemicals, poisons, insecticides, or any kind of
flammable solvent with this product
could result in serious injury or death.
• Contact with hot surfaces, such as
engines exhaust components, could
result in serious burn.
• Never place hands in front of nozzle.
• Direct spray away from self and others.
• Make sure hose and fittings are tightened
and in good condition. Never hold onto
the hose or fittings during operation.
• Do not allow hose to contact muffler.
• Never attach or remove wand or hose
fittings while system is pressurized.
• Use only hose and high pressure
accessories rated for pressure higher than
your pressure washer's p.s.i.
• To relieve system pressure, shut off engine,
turn off water supply, and pull gun trigger
until water stops flowing.
• Do not use acids, gasoline, kerosene, or
any other flammable materials in this
product. Use only household detergents,
cleaners and degreasers recommended
for use in pressure washers.
• Wear protective clothing to protect
eyes and skin from contact with sprayed
materials.
• During operation, touch only the control
surfaces of the pressure washer. Keep
children away from the pressure washer
at all times. They may not be able to
recognize the hazards of this product.
DANGER
RISK OF INJURY AND
PROPERTY DAMAGE
WHEN
TRANSPORTING OR
STORING
The powerful spray from your pressure washer is capable of causing damage to surfaces such as wood, glass,
automobile paint, auto striping and trim, and delicate objects such as flowers and shrubs. Before spraying, check the
item to be cleaned to assure yourself that it is strong enough to resist damage from the force of the spray. Avoid the
use of the concentrated spray stream except for very strong surfaces like concrete and steel.
Operating unit with water supply shutoff without flow of water will result in equipment damage. Operating the pressure
washer with water supply shutoff will void your warranty. You should never run this pressure washer for more than 2
minutes without pulling the trigger to allow cool water to enter the pump and the heated (recirculated) water to exit.
• Fuel or oil can leak or spill and could
result in fire or breathing hazard, serious
injury or death can result. Fuel or oil leaks
will damage carpet, paint or other
surfaces in vehicles or trailers.
5 — ENG
• If pressure washer is equipped with a fuel
shut-off valve, turn the valve to the off
position before transporting to avoid fuel
leaks. If pressure washer is not equipped
with a fuel shut-off valve, drain the fuel from
tank before transporting. Only transport fuel
in an OSHA approved container. Always
place pressure washer on a protective mat
when transporting to protect against damage
to vehicle from leaks. Remove pressure
washer from vehicle immediately upon arrival
at your destination.
D20249
CONTENTS OF CARTON
Quick Connect Nozzles
30 Weight
EngineOil
Handle
Bagged Handle
Spray Gun
Engine Frame and
Wheel Assembly
Engine
Manual
English
Owner's
Manual
Nozzle Cleaning Kit
Bagged Parts
Quick Connect Wand
High Pressure Hose
Spanish
Owner's
Manual
Instructional
Video
Handle Knobs
Chemical Hose
(attached to barb
fitting on pump)
UNPACKING
1. Open carton.
2. Remove plastic bag containing handle, nozzles,
and engine manual supplied by engine manufacturer.
3. Remove cardboard from top of unit and inner
cardboard from around unit.
4. Remove plastic bag containing two knobs, nozzle
cleaning kit, instructional video, English Owner's
Manual, and Spanish Owner's Manual from carton.
5. Remove spray gun, quick connect wand, and
bottle of engine oil from carton.
6. Using box cutting tool, cut the four corners of the
shipping carton from top to bottom, then lay
panels flat. NOTE: Be careful not to cut into
chemical hose and high pressure hose.
7. Insert handle ends into pressure washer frame as
shown.
8. Install two knobs as shown and tighten securely.
Knobs
9. Grasp handle and roll unit off of carton.
10. Remove high pressure hose from carton and store
in gun/hose holder as shown in Pressure Washer
Basics section in this manual.
D20249
6 — ENG
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