DeWalt DXPW3425E User manual

If you have questions or comments, contact us.
1-877-362-4271
Instruction Manual
Gas Pressure Washer
final page size: 8.5 x 5.5 in

1
Fig. A
2
3
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10
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5
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16
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14
Components
1 Panel assembly
2 Nozzle holder
3 Professional spray gun
4 Wheel
5 Quick‑connect spray wand
6 Frame
7 Engine dipstick/oil plug
8 Engine switch
9 Starter grip
10 Engine
11 Choke control
12 Fuel valve lever
13 Gas cap
14 Handle assembly
15 High pressure hose
16 High pressure pump
17 Battery box
18 Engine start connector
19 Water sensing device
17
18
19
NOTE: Photographs and line drawings used in this manual are for reference only and do not represent a specific
model.

2
Fig.B Fig.C
Fig.E Fig.F
Fig.K Fig.M
Fig.G
Fig.L
14
6
Fig.H Fig.I Fig.J
Fig.D
20
6
6
21
22
21
17
23
24
5
1
2
17
17
18
25
17
15
26

3
Fig.N Fig.O
Fig.Q Fig.R
Fig.W Fig.Y
Fig.S
Fig.X
28
Fig.T Fig.U Fig.V
Fig.P
8
32
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27
31
15
12
11
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Fig.Z Fig.AA Fig.BB
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English (original instructions)
QUICK SETUP GUIDE
WARNING: To reduce the risk of injury, read the pressure washer instruction manual and the engine instruction manual
before operating pressurewasher.
AInstall the Handle
Place handle onto frame, depress the snap buttons, and
slide the handle assembly onto the frame until snap
buttons snap intoplace.
BAttach Battery Box Mounting Bracket
Align the holes in the battery box mounting bracket with
the holes in the frame. Push the saddle bolt through
the bracket and frame, secure with knob. Tighten
knobsecurely.
CAdd/Check Oil
The engine is shipped without oil. Before starting engine,
add the oil provided. Check oil level prior to each use. Refer
to Engine Owner’s Manual for completeprocedure.
DAdd Gasoline
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
completeprocedure.
IMPORTANT: Ethanol Shield™(sold separately) is a fuel stabilizer that helps eliminate and prevent ethanol related
problems in power equipment. Follow the instructions on the container and add to thegasoline.
DANGER:
•Never run engine indoors or in enclosed, poorly ventilated areas. Engine exhaust contains carbon monoxide, an
odorless and deadlygas.
•Risk of fluid injection and laceration. When using the high‑pressure setting, DO NOT allow the high‑pressure spray to
come in contact with unprotected skin, eyes or with any pets or animals. Serious injury willoccur.
WARNING: Do not allow the unit to run for more than two minutes without the gun trigger being pulled. This
could cause overheating and damage to the pump. When the temperature inside the pump rises too high, the
thermal relief valve will open and release a spray of water from the pump to lower the internal temperature.
The valve will thenclose.
WARNING: To reduce the risk of electric shock or explosion, do not short circuit the battery terminals or charge in a
sealed container. Keep sparks and flame away. Do not use metal tools for connections and keep metal objects away from
the battery terminals. Metal objects can make a connection from one terminal to another. Shorting the battery terminals
together can cause sparks, burns, or afire.

6
BATTERY SET UP GUIDE
1Open batterybox. 2Connect the red wire to the
"+" (positive) terminal and
the black wire to the "-"
(negative) terminal.
3Close battery box
4Connect the engine start
connector to the battery box 5Connect the bullet connector
to the engine startconnector.6Complete battery boxassembly
QUICK START GUIDE
1Connect Garden Hose to Pump
Thread the garden hose to the
pumpinlet.
2Connect High Pressure Hose
to Pump
Connect the high pressure hose to the
pumpoutlet.
3Connect High Pressure Hose
to Spray Gun
Thread the other end of the high
pressure hose to the spray gun.
4Connect Spray Wand to
SprayGun
Thread the spray wand into the end of
the spraygun.
5Connect QC Nozzles to
SprayWand
Pull quick connect coupler back and
insert nozzle. Release quick connect
coupler and twist nozzle to make sure
it is secure incoupler.
6Turn Water Faucet
CompletelyOn
Do not run the unit without water
supply connected and turned on. Use
Cold WaterOnly.
NOTE: Unit equipped with water
sensing device, shuts down
machine if the presence of water is
notdetected.

7
7Release Air from System
Release all air from pump and high
pressure hose by depressing trigger
until a steady stream of water is
present. Approximately 30seconds.
8Place the fuel valve lever in the
ONposition. 9Verify the Engine Switch is turned to the ON Position
30 S
10 Move the choke to the
CLOSEDposition 11 Press the starter button OR pull the Recoil Starter Grip
Press the starter button for 3seconds
to start engine OR Pull the recoil
starter grip to start theengine.Repeat
asneeded.
12 Move the choke to the
OPENposition
OR
WARNING: This Guide is not a substitute for reading the operator’s manual. User must read and understand operator’s
manual before using thisproduct.
Engine
Refer to the engine instruction manual for location and operation of other enginecontrols.

8
WARNING: Read all safety warnings and all
instructions. Failure to follow the warnings and
instructions may result in electric shock, fire and/or
seriousinjury.
WARNING: Never modify the product or any part of
it. Damage or personal injury couldresult.
WARNING: To reduce the risk of injury, read the
instructionmanual.
IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS
CONTACT US AT: 1–877–362–4271
Definitions: Safety Alert Symbols andWords
This instruction manual uses the following safety alert
symbols and words to alert you to hazardous situations and
your risk of personal injury or propertydamage.
DANGER: Indicates an imminently hazardous
situation which, if not avoided, will result in death or
seriousinjury.
WARNING: Indicates a potentially hazardous
situation which, if not avoided, could result in death
or seriousinjury.
CAUTION: Indicates a potentially hazardous situation
which, if not avoided, may result in minor or
moderateinjury.
(Used without word) Indicates a safety
relatedmessage.
NOTICE: Indicates a practice not related to
personal injury which, if not avoided, may result in
propertydamage.
Important Safety Instructions
DANGER: Carbon Monoxide. Using an engine
indoors can kill you in minutes. Engine exhaust
contains high levels of carbon monoxide (CO),
a poisonous gas you cannot see or smell. You
may be breathing CO even if you do not smell
engineexhaust.
WARNING: This product and its exhaust contain
chemicals known to the State of California
to cause cancer, and birth defects and other
reproductiveharm.
•NEVER use an engine inside homes, garages,
crawlspaces or other partly enclosed areas. Deadly
levels of carbon monoxide can build up in these
areas. Using a fan or opening windows and doors
does NOT supply enough freshair.
•ONLY use outdoors and far away from open
windows, doors and vents. These openings can
pull in engineexhaust.
•Even when the engine is used correctly, CO
may leak into your home. ALWAYS use a
battery‑powered or battery backup CO alarm
in your house. Read and follow all directions
for CO alarm before using. If you feel sick,
dizzy or weak at anytime, move to fresh air
immediately. See a doctor. You could have carbon
monoxidepoisoning.
WARNING: Do not operate this unit until you
read this instruction manual and the engine
instruction manual for safety, operation and
maintenanceinstructions.
WARNING: When using this product basic
precautions should always be followed, including
thefollowing:
1 . Read all instructions before using theproduct.
2 . To reduce the risk of injury, close supervision is
necessary when a product is used nearchildren.
3 . Know how to stop the product and bleed
pressures quickly. Be thoroughly familiar with
thecontrols.
4 . tay alert–watch what you aredoing.
5 . Do not operate the product when fatigued or
under the influence of alcohol ordrugs.
6 . Keep operating area clear of allpersons.
7 . Do not overreach or stand on unstable
support. Keep good footing and balance at
alltimes.
8 . Follow the maintenance instructions specified in
themanual.
DANGER: RISK OF INJECTION OR SEVERE
INJURY. KEEP CLEAR OF NOZZLE. DO NOT
DIRECT DISCHARGE STREAM AT PERSONS.
THIS PRODUCT IS TO BE USED ONLY BY
TRAINEDOPERATORS.
WARNING: This product may not be equipped with a
spark‑arresting muffler. If the product is not equipped
and 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 arrester, 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.
WARNING: This product and its exhaust can expose
you to chemicals including lead and lead compounds,
and carbon monoxide, which are known to the State
of California to cause cancer and birth defects or
other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
SAVE THESE INSTRUCTIONS

9
DANGER: RISK OF EXPLOSION OR FIRE
WHAT CAN HAPPEN HOW TO PREVENT IT
• Spilled gasoline
and it’s vapors can
become ignited from
cigarette sparks,
electrical arcing,
exhaust gases and hot
engine components
such as themuffler.
• Shut off engine and allow it
to cool before adding fuel
to thetank.
• Use care in filling tank to
avoid spilling fuel. Move
pressure washer away
from fueling area before
startingengine.
• Heat will expand
fuel in the tank
which could result in
spillage and possible
fireexplosion.
• Keep maximum fuel level
1/2" (12.7 mm) below
bottom of filler neck to
allow forexpansion.
• Operating the
pressure washer
in an explosive
environment could
result in afire.
• Operate and fuel
equipment in
well‑ventilated areas free
from obstructions. Equip
areas with fire extinguisher
suitable for gasolinefires.
• Materials placed
against or near the
pressure washer can
interfere with its
proper ventilation
features causing
overheating and
possible ignition of
thematerials.
• Never operate pressure
washer in an area
containing dry brush
orweeds.
• Muffler exhaust heat
can damage painted
surfaces, melt any
material sensitive to
heat (such as siding,
plastic, rubber, vinyl
or the pressure hose,
itself), and damage
liveplants.
• Always keep pressure
washer a minimum of
4' (1.2m) away from
surfaces (such as houses,
automobiles or live plants)
that could be damaged
from muffler exhaustheat.
• Improperly stored
fuel could lead to
accidental ignition.
Fuel improperly
secured could get
into the hands of
children or other
unqualifiedpersons.
• Store fuel in an OSHA
approved container, in a
secure location away from
workarea.
• 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.
• Do not spray
flammableliquids.
• Shorting the battery
terminals together
may cause burns or
afire.
• Keep battery away from
other metal objects like
paper clips, coins, keys,
nails, screws, or other small
metal objects that can
make a connection from
one terminal to another.
DANGER: RISK TO BREATHING ASPHYXIATION
WHAT CAN HAPPEN HOW TO PREVENT IT
• Breathing exhaust
fumes will cause
serious injury or
death! Engine
exhaust contains
carbon monoxide,
an odorless and
deadlygas.
• Operate pressure washer
in a well‑ventilated area.
Avoid enclosed areas such
as garages, basements,etc.
• Never operate unit in or
near a location occupied by
humans oranimals.
• Some cleaning fluids
contain substances
which could cause
injury to skin, eyes
orlungs.
• Use only cleaning fluids
specifically recommended
for high pressure washers.
Follow manufacturers
recommendations. Do not
use chlorine bleach or any
other corrosivecompound.
DANGER: RISK OF FLUID INJECTION AND
LACERATION
WHAT CAN HAPPEN HOW TO PREVENT IT
• Your pressure
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!
• Inspect the high pressure
hose regularly. Replace the
hose immediately if it is
damaged, worn, has melted
from contacting the engine,
or shows any signs of
cracks, bubbles, pinholes, or
other leakage. Never grasp
a high pressure hose that is
leaking ordamaged.
• Never touch, grasp or
attempt to cover a pinhole
or similar water leak on the
high pressure hose. The
stream of water IS under
high pressure and WILL
penetrateskin.
• Never place hands in front
ofnozzle.

10
• Your pressure
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!
(CONTINUED)
• 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.
• When using replacement
lances or guns with this
pressure washer, do not use
a lance and/or lance/gun
combination that is shorter
in length than what was
provided with this pressure
washer as measured from
the nozzle end of the lance
to the guntrigger.
• Injuries can result
if system pressure
is not reduced
before attempting
maintenance
ordisassembly.
• To relieve system pressure,
shut off engine, turn off
water supply and pull
gun trigger until water
stopsflowing.
• Use only accessories
rated equal to or higher
than the rating of the
pressurewasher.
DANGER: RISK OF INJURY FROM SPRAY
WHAT CAN HAPPEN HOW TO PREVENT IT
• High‑velocity fluid
spray can cause
objects to break,
projecting particles at
highspeed.
• Always wear
ANSI‑approved Z87.1 safety
glasses. Wear protective
clothing to protect against
accidentalspraying.
• Never point wand at or
spray people oranimals.
• Light or unsecured
objects can become
hazardousprojectiles.
• Always secure trigger
lock when wand is not
in service to prevent
accidentaloperation.
• Never permanently
secure trigger in pull‑back
(open)position.
DANGER: RISK OF UNSAFE OPERATION
WHAT CAN HAPPEN HOW TO PREVENT IT
• Unsafe operation 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 controls 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 compromise
the safety features of
thisproduct.
• Do not operate machine
with missing, broken or
unauthorizedparts.
• Never leave wand
unattended while unit
isrunning.
• If proper starting
procedure is not
followed, engine can
kickback causing
serious hand and
arminjury.
• If engine does not start
after two pulls, 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.
• The spray gun/wand
is a powerful cleaning
tool that could look
like a toy to achild.
• Keep children away from
the pressure washer at
alltimes.
•Reactive force of spray
will cause gun/wand
to kickback, 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.
• Do not overreach or stand
on an unstablesupport.
• Do not use pressure washer
while standing on aladder.
• Grip gun/wand firmly with
both hands. Expect the gun
to kickback whentriggered.

11
DANGER: RISK OF INJURY OR PROPERTY
DAMAGE WHEN TRANSPORTING OR STORING
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.
Fuel or oil leaks will
damage carpet, paint
or other surfaces in
vehicles ortrailers.
• Oil could fill the
cylinder and damage
the engine if the
unit is not stored or
transported in an
uprightposition.
• 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. Always
transport and store unit in
an upright position.Remove
pressure washer from
vehicle immediately upon
arrival at yourdestination.
DANGER: RISK OF ELECTRICAL SHOCK
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.
DANGER: RISK OF CHEMICAL BURN
WHAT CAN HAPPEN HOW TO PREVENT IT
• 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.
• Do not spray acids,
gasoline, kerosene, or any
other flammable materials
with this product. Use only
household detergents,
cleaners and degreasers
recommended for use with
pressurewashers.
• Wear protective clothing
to protect eyes and
skin from contact with
sprayedmaterials.
WARNING: RISK OF BURSTING
WHAT CAN HAPPEN HOW TO PREVENT IT
• Over inflation of
tires could result in
serious injury and
propertydamage.
• Use a tire pressure gauge
to check the tires pressure
before each use and while
inflating tires; see the tire
sidewall for the correct tire
pressure.
NOTE: Air tanks, compressors
and similar equipment used to
inflate tires can fill small tires
similar to these very rapidly.
Adjust pressure regulator on
air supply to no more than the
rating of the tire pressure. Add
air in small increments and
frequently use the tire gauge to
prevent overinflation.
• High‑velocity fluid
spray directed
at pneumatic
tire sidewalls
(such as found
on automobiles,
trailers and the like)
could damage the
sidewall resulting in
seriousinjury.
• On pressure washers rated
above 1600psi (11032kPa)
use the widest fan spray
(40º nozzle) and keep
the spray a minimum of
8" (200 mm) from the
pneumatic tire sidewall. Do
not aim spray directly at
the joint between the tire
andrim.

12
WARNING: RISK OF HOT SURFACES
WHAT CAN HAPPEN HOW TO PREVENT IT
• Contact with hot
surfaces, such as
engines exhaust
components, could
result in seriousburn.
• 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.
WARNING: RISK OF INJURY FROM LIFTING
WHAT CAN HAPPEN HOW TO PREVENT IT
• Serious injury
can result from
attempting to lift too
heavy anobject.
• The pressure washer is too
heavy to be lifted by one
person. Obtain assistance
from others beforelifting.
CAUTION: Risk of Injury. Disconnect battery ground
[Negative (–)] Terminal beforeservicing.
SAVE THESE INSTRUCTIONS FOR
FUTURE USE
INSTALLATION
Pressure Washer Assembly (Fig.A, C, G–J)
1. Place handle assembly14 onto frame6, depress the
snap buttons, and slide the handle assembly onto the
frame until snap buttons snap intoplace.
CAUTION: Risk of personal injury. Avoid placing
hands between handle and frame when assembling
to preventpinching.
2. Align the holes in the battery box mounting bracket20
with the holes in the frame6. Push the saddle bolt21
through the bracket20 and frame, secure with
knob22. Tighten knobsecurely.
3. Attach high pressure hose15 to spray gun. Make sure
it issecure.
4. Connect wand5 to spray gun. Make sure connection
issecure.
5. Place the nozzle holder2 onto the panel assembly1
and push each nozzle holder intoplace.
6. Remove the five colored quick‑connect nozzles from the
plastic bag and insert them into correct grommet on the
nozzle holder. Nozzles are color coded to match colored
nozzles on panelassembly.
NOTE: The pump on this unit is maintenance free and
requires no oil. If there is a problem with the pump, contact
our Customer Service Group as soon aspossible.
WARNING: Risk of bursting. Use a tire pressure gauge
to check the tires pressure before each use and while
inflating tires; see the tire sidewall for the correct
tirepressure.
NOTE: Air tanks, compressors and similar equipment used
to inflate tires can fill small tires similar to these very rapidly.
Adjust pressure regulator on air supply to no more than the
rating of the tire pressure. Add air in small increments and
frequently use the tire gauge to prevent overinflation.
Connecting the Battery (Fig.C–F)
WARNING: To reduce the risk of electric shock or
explosion, do not short circuit the battery terminals or
charge in a sealed container. Keep sparks and flame
away. Do not use metal tools for connections and keep
metal objects away from the battery terminals. Metal
objects can make a connection from one terminal to
another. Shorting the battery terminals together can
cause sparks, burns, or afire.
Use only a 12V 6.5Ah/21 WPC battery.
Before using the electric start feature, the battery must be
fully charged and the starter cable on the pressure washer
connected to the connection port on the battery. See
Charging the Battery in the Maintenancesection.
To Connect the Battery (Fig.C–F)
1. Open the battery box17.
2. Connect the red wire to the "+" (positive)23 terminal
and the black wire to the "‑" (negative)24terminal.
3. Close battery box
4. Connect the engine start connector18 to the
batterybox.
5. Connect the bullet connector25 to the engine start
connector18.
6. FigureF shows the complete battery boxassembly.
OPERATION
Pressure Adjustments (Fig.K)
The pressure setting is preset at the factory to achieve
optimum pressure and cleaning. To lower the pressure, follow
theseinstructions.
1. Back away from the surface to be cleaned.The further
away you are, the less the pressure will be on the surface
to becleaned.
2. Change to the 40˚ nozzle (white).This nozzle delivers a
less powerful stream of water and a wider spray pattern.
Refer to Spray WandNozzles.
3. This pressure washer's high pressure pump is equipped
with an adjustable unloader feature that allows the
pressure setting to be adjusted.To lower the pressure, turn
the pressure control knob on the pump counterclockwise
to the desired pressure.To return the pump pressure to
the factory setting, turn the pressure control knob on the
pump clockwise until itstops.

13
NOTICE: DO NOT try to tum pressure regulator knob
past the built‑in stop or damage to the pump willresult.
NOTICE: DO NOT overtighten the pressure control knob.
If overtightened the knob COULD break and result in
immediate loss of water pressure and costly repairs to
theunit.
NOTICE: DO NOT attempt to increase pump pressure. A
higher pressure setting than the factory set pressure may
damage thepump.
Spray Wand Nozzles (Fig.A, L)
The nozzles for the spray wand are stored in the nozzle
holder2 on the panel assembly1. Colors on the panel identify
nozzle location and spray pattern. Refer to the following chart
to choose the correct nozzle for the job to beperformed.
Nozzle
Color
Spray Pattern Uses Surfaces***
Red
0˚ powerful
pinpoint for
very intense
cleaning
metal or
concrete;
DO NOT use on
wood
Yellow
15˚ intense
cleaning of
small areas
metal, concrete
or wood
Green
25˚intense
cleaning of
larger areas
metal, concrete
or wood
White
40˚covers wide
areas of
cleaning
metal, concrete,
wood or vinyl
Black
low pressure applies
cleaning
solutions
metal, concrete,
wood or vinyl
*** NOTICE: The high pressure spray from your pressure
washer is capable of causing damage to surfaces such
as wood, glass, automobile paint, auto striping and
trim, 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spray.
Changing Nozzles on Spray Wand
(Fig.L)
DANGER: Risk of fluid injection. Do not direct
discharge stream toward persons, unprotected skin,
eyes or any pets or animals. Serious injury willoccur.
WARNING: Flying objects could cause risk of serious
injury. 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.
WARNING: Flying object could cause risk of serious
injury. Ensure nozzle is completely inserted in
quick‑connect socket and quick‑ connect collar is fully
engaged (forward) before squeezing guntrigger.
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 and Solvents
(Fig.M)
1. Press chemical hose26 onto barbed fitting located
near high pressure hose connection of pump asshown.
2. Place the other end of chemical hose with filter into
the container holding chemical/cleaning solution.
NOTE:For every 10gallons (38 liters) of water pumped
1gallon (3.8 liters) of chemical/cleaning solution will
beused.
3. Install low‑pressure (black) nozzle into quick connect
fitting of spray wand, refer to Spray Wand Nozzles.
NOTE: Chemicals and soaps will not siphon if the black
soap nozzle is not installed on the spraywand.
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
NOTICE: Risk of property damage. Failure to do so
could cause damage to the pump. Pumps damaged
due to chemicals will not be covered underwarranty.
Starting
WARNING: To reduce the risk of injury, read the
pressure washer instruction manual and the engine
instruction manual before starting pressurewasher.
DANGER: Risk of fluid injection and laceration.
When using the high pressure setting, DO NOT allow
the high pressure spray to come in contact with
unprotected skin, eyes, or with any pets or animals.
Serious injury willoccur.
•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!
DANGER: Carbon Monoxide. Using an engine
indoors can kill you in minutes. Engine exhaust
contains high levels of carbon monoxide (CO),
a poisonous gas you cannot see or smell. You
may be breathing CO even if you do not smell
engineexhaust.
•Breathing exhaust fumes will cause serious
injury or death! Engine exhaust contains carbon
monoxide, an odorless and deadlygas.

14
•Operate pressure washer in a well‑ventilated
area. Avoid enclosed areas such as garages,
basements,etc.
•Never operate unit in or near a location occupied
by humans oranimals.
WARNING: Risk of fire, asphyxiation and burning.
Never fill fuel tank when engine is running or hot. Do
not smoke when filling fueltank.
•Never fill fuel tank completely. Fill tank to
1/2" (12.7 mm) below bottom of filler neck to
provide space for fuel expansion. Wipe any fuel
spillage from engine and equipment before
startingengine.
•DO NOT let hoses come in contact with very hot
engine muffler during or immediately after use
of your pressure washer. Damage to hoses from
contact with hot engine surfaces will NOT be
covered bywarranty.
NOTICE: NEVER pull water supply hose to move
pressure washer. This could damage hose and/or
pumpinlet.
•DO 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. When the
temperature inside the pump rises too high the
thermal relief valve (27, Fig.N) will open and
release a gush of water in an effort to lower the
temperature inside the pump. The thermal relief
valve will then close. If pump is left in bypass mode
for more than two minutes internal components
of the pump can bedamaged.
Start‑up Procedure (Fig.A, O–V)
NOTE: The pressure washer has both electric start and
recoil start capabilities available. A nominal 12volt sealed
rechargeable lead‑acid battery is supplied that complies
with non‑spillable battery regulations. The unit can be can
be operated in any position withoutleakage.
NOTE: The pressure washer is shipped with the battery
cable disconnected. The battery cable must be connected
before the electric start feature will operate. For initial
battery connection, see Connecting the Battery in the
Assemblysection.
NOTE: For best results, make sure your battery is
fullycharged before starting, see Charging the Battery in
the Maintenancesection.
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 instruction manual
for correctprocedure.
IMPORTANT: Ethanol Shield™(sold separately) is a fuel
stabilizer that helps eliminate and prevent ethanol
related problems in power equipment. Follow the
instructions on the container and add to thegasoline.
NOTICE: Use of fuels with greater than 10% ethanol
are not approved for use in this product per EPA
regulations and will damage the unit and void
thewarranty.
2. Check engine oil level. Refer to the engine instruction
manual for correctprocedure.
3. Connect the water hose to the water source. Turn the
water source on to remove all air from the hose. When
a steady stream of water is present, turn the water
sourceoff.
4. Verify the filter screen28 is in water inlet of pump. The
convex side facesout.
NOTICE: Failure to use an inlet screen filter may cause
damage to pump components and voidwarranty.
5. Connect the cold water source31 to pump inlet.
NOTE: Water source must provide a minimum of
5gallons per minute at 20psi (138kPa).
WARNING: To reduce the possibility of contamination
always protect against backflow when connected to a
potable watersystem.
6. Connect high pressure hose15 to pumpoutlet.
7. If applying a chemical or cleaning solution, refer to
Chemicals and CleaningSolvents.
8. Turn the water sourceon.
NOTICE: Risk of property damage. Failure to do so
could cause damage to thepump.
9. Remove all air from the pump and high pressure hose
by depressing trigger until a steady stream of water
ispresent.
10. Turn the engine ON/OFF switch8 to the ONposition.
11. Place the fuel valve lever12 in the ONposition.
12. If the engine is cold, move the choke11 to the CLOSED
position asshown.
13. Electric Start- Press the starter button 32 for
3seconds to startengine.
NOTE: For best results, make sure your battery is
fullycharged before starting, see Charging the Battery in
the Maintenancesection.
Recoil Start- Pull the starter gripslowly.
WARNING: Risk of unsafe operation. Pull starter
grip slowly until resistance is felt. Then pull starter
grip9 rapidly to avoid kickback and prevent hand or
arminjury.
NOTE: Do not allow the starter grip to snap back. Return it
gently byhand.
WARNING: Risk of unsafe operation. If engine does
not start after two pulls, 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.
NOTE: If the oil level in the engine is low, the engine will
not start. If the engine does not start, check the oil level and
add oil asneeded.

15
14. As the engine warms up, move the choke to the
openposition.
15. Depress trigger on gun to start waterflow.
WARNING: Do not allow the unit to run for
more than two minutes without the gun trigger
being pulled. This could cause overheating and
damage to the pump. When the temperature
inside the pump rises too high, the thermal relief
valve will open and release a spray of water from
the pump to lower the internal temperature. The
valve will thenclose.
WARNING: Risk of unsafe operation. Stand on a
stable surface and grip gun/wand firmly with both
hands. Expect the gun to kickback whentriggered.
16. Release trigger to stop waterflow.
DANGER: Risk of injury from spray. Engage the
trigger lock29when gun is not in use to prevent
accidentalspraying.
17. Adjust spray for the task being performed by changing
quick connect nozzle. Refer to Spray WandNozzles.
Shutting Down (Fig.W, X)
1. If chemicals were applied, place the chemical hose
into a container of clean water and draw clean
water through chemical injection system to rinse
systemthoroughly.
NOTICE: Risk of property damage Failure to do so
could cause damage to thepump.
2. Place the engine ON/OFF switch8 to the OFFPosition.
3. Place the fuel valve lever12 in the OFFposition.
NOTICE: Risk of property damage. Never turn water
supply off while pressure washer engine is running or
damage to pump willresult.
4. Turn water sourceoff.
5. Pull trigger on spray gun to relieve any water pressure in
hose or spraygun.
6. Refer to Storage for proper storageprocedures.
MAINTENANCE
WARNING: Risk of burning. When performing
maintenance, you may be exposed to hot surfaces,
water pressure or moving parts that can cause serious
injury ordeath.
WARNING: Risk of fire. Always disconnect, spark
plug wire, let the engine cool and release all water
pressure before performing any maintenance
or repair. The engine contains flammable fuel.
Do not smoke or work near open flames while
performingmaintenance.
CAUTION: Risk of Injury. Disconnect battery ground
[Negative (–)] Terminal beforeservicing.
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 instruction manual for the manufacturer's
recommendations for any and allmaintenance.
NOTE: The pressure washer frame is equipped with an oil
drain hole to help make changing the engine oileasier.
Pump
The pump on this unit is maintenance free and requires
no oil. If there is a problem with the pump, contact our
Customer Service Group as soon aspossible.
Battery
Charging the Battery (Fig.E, AA, BB)
To keep the battery fully charged and ready for use, connect
the battery charger to keep the battery while storing the
pressurewasher.
NOTE: The battery charger provided should only be used
with the a 12V 6.5Ah/21 WPC sealed lead acid battery
supplied with this pressurewasher.
1. Plug the battery charger33 into a standard household
120V receptacle. Make sure the household power
supply is 120V, 60Hz, AConly.
2. Disconnect the engine start connector18 on the
pressure washer from the battery box17.
3. Connect the battery charger33 to the connection port
on the battery box17. The light on the battery charger
will illuminate red while the battery ischarging.
NOTE: The battery will become slightly warm to the touch
while charging. This is normal and does not indicate a
problem. When battery is fully charged, the red light will
turngreen.
NOTE: If the light does not illuminate, the battery main‑
tainer fuse may need to be replaced. Check the fuse and
replace ifneeded.
4. When the battery is fully charged and ready to use,
connect to the pressure washer:
a. Disconnect the batterycharger.
b. Reconnect the engine start connector18 on the
pressure washer to the connection port on the
battery box17, ensure the plug is fullyseated.
Replacing the Battery (Fig.C–F)
WARNING: To reduce the risk of electric shock or
explosion, do not short circuit the battery terminals or
charge in a sealed container. Keep sparks and flame
away. Do not use metal tools for connections and keep
metal objects away from the battery terminals. Metal
objects can make a connection from one terminal to
another. Shorting the battery terminals together can
cause sparks, burns, or afire.
1. Disconnect the engine start connector18 on the
pressure washer from the battery box17.
2. Open the battery box17.
3. Disconnect the battery:
‑Disconnect the black wire from the battery’s nega‑
tive (–)terminal.

16
‑Disconnect the red wire from the battery’s positive
(+)terminal.
4. Remove the old battery and dispose of according to
local and state regulations. Always abide by the safety
warnings provided with thebattery.
5. Open the battery box and place the new battery into
the battery box and follow the Connecting the Battery
instructions underAssembly.
Nozzle Cleaning (Fig.Y, Z)
If the nozzle becomes clogged with foreign materials,
such as dirt, excessive pressure may develop. If the nozzle
becomes partially clogged or restricted, the pump pressure
will pulsate. Clean the nozzle immediately using the nozzle
kit supplied and the following instructions:
1. Shut off the pressure washer and turn off the
watersupply.
2. Pull trigger on gun handle to relieve any waterpressure.
3. Disconnect the spray wand from thegun.
4. Remove the high pressure nozzle from the spray wand.
Remove any obstructions with the nozzle cleaning
tool30 provided and back flush with cleanwater.
5. Direct water supply into spray nozzle to back flush
loosened particles for 30seconds.
6. Reassemble the nozzle to thewand.
7. Reconnect spray wand to gun then turn on
watersupply.
8. Start pressure washer and place spray wand into high
pressure setting totest.
To Clean the Water Inlet Filter (Fig.O)
This filter screen28 should be checked periodically and
cleaned ifnecessary.
1. Remove the filter screen28 by grasping the end and
removing it from water inlet ofpump.
2. Clean filter by flushing it with water on bothsides.
3. Reinsert filter into water inlet of pump. Convex side
facesout.
NOTE: Do not operate pressure washer without filter
properlyinstalled.
STORAGE
Engine
Consult the engine instruction manual for the
manufacturer's recommendations forstorage.
To Prevent Fuel‑Related Problems
1. Add Ethanol Shield™ fuel stabilizer following the
manufacturer’s instructions. When adding a gasoline
stabilizer, fill the fuel tank with fresh gasoline. If
only partially filled, air in the tank will promote fuel
deterioration during storage. If you keep a container
of gasoline for refueling, be sure that it contains only
freshgasoline.
2. After adding a gasoline stabilizer, run the engine
outdoors for 10minutes to be sure that treated gasoline
has replaced the untreated gasoline in thecarburetor.
3. Turn the fuel valve to the OFFposition.
4. Continue to run the engine until it stops from the lack of
fuel in the carburetor fuel bowl. Running time should be
less than 3minutes.
Pump
The manufacturer recommends using DeWALT Pump Guard
or equivalent when storing the unit for more than 30 days
and/or when freezing temperatures are expected. DeWALT
Pump Guard is environmentallyfriendly.
NOTE: Using pump guard helps provide proper lubrication
to the internal seals of the pump regardless of temperature
or environment.
NOTICE: Risk of property damage. Use only DeWALT
Pump Guard or equivalent. Other products could be
corrosive and/or contain alcohol which may cause
pumpdamage.
1. Turn off pressure washer and disconnect hoses
frompump.
2. Unscrew bottle valve from Pump Guard bottle and
remove seal.
3. Screw bottle valve back ontobottle.
4. Attach bottle to water inlet ofpump.
5. Squeeze bottle to inject contents intopump.
6. With ignition switch off, simultaneously pull starter rope
and squeeze bottle. Repeat until protector fluid exits
pump outlet. NOTE: This step may require twopeople.
Pressure Washer
1. Drain all water from high pressure hose, coil it and store
it in cradle of the pressure washerhandle.
2. With nozzle pointed down and the spray gun and wand
in a vertical position, squeeze trigger to drain all water
from spray gun and wand. Store in gunholder.
3. Store chemical hose so it is protected fromdamage.
CAUTION: Risk of personal injury. Avoid placing
hands between handle and frame when assembling
to preventpinching.
NOTICE: Risk of property damage. Always store and
transport unit in an uprightposition.
Battery Removal and Preparation
forRecycling
WARNING: To reduce the risk of electric shock or
explosion, do not short circuit the battery terminals.
Keep sparks and flame away. Do not use metal tools
for connections and keep metal objects away from
the battery terminals. Metal objects can make a
connection from one terminal to an‑ other. Shorting
the battery terminals together can cause sparks,
burns, or afire.
WARNING: Upon removal, cover the battery’s
terminals with heavy‑ duty adhesive tape. Do not
attempt to destroy or disas‑ semble battery or remove
any of its components. Lead acid batteries must be
recycled or disposed of properly. Also, never touch
both terminals with metal objects and/ or body parts

17
as short circuit may result. Keep away from children.
Failure to comply with these warnings could result in
fire and/or seriousinjury.
To preserve natural resources, please recycle or dispose of
batteries properly. This product uses lead
acid batteries. Local, state or federal laws
may prohibit disposal of batteries in
ordinarytrash.
Consult your local waste authority
for information regarding available recycling and/or
disposaloptions.
Accessories
DANGER: Risk of fluid injection. When using
replacement spray wands or guns with this pressure
washer, DO NOT use a spray wand and/or spray gun/
wand combination that is shorter in length than what
was provided with this pressure washer as measured
from the nozzle end of the wand to the guntrigger.
WARNING: Since accessories, other than those
offered by DeWALT,have not been tested with this
product, use of such accessories with this tool could be
hazardous. To reduce the risk of injury, only DeWALT
recommended accessories should be used with
thisproduct.
Recommended accessories for use with your tool are
available at extra cost from your local dealer or authorized
service center. If you need assistance in locating any
accessory, please contact DeWALT, call 1‑877‑362‑4271.
Service Information
Please have the following information available for all
service calls: Model Number ___________________
Serial Number _____________________________
Date and Place of Purchase ____________________
Repairs
WARNING:To assure product SAFETY and
RELIABILITY, repairs, maintenance and adjustment
(including brush inspection and replacement, when
applicable) should be performed by a DeWALT factory
service center or a DeWALT authorized service center.
Always use identical replacementparts.
To find the nearest service center, please contact DeWALT, call
1‑877‑362‑4271.
Limited Warranty
The manufacturer of this product agrees to repair or replace
designated parts that prove defective within the warranty
period listed below at the manufacturer’s sole discretion.
Specific limitations/extensions and exclusions apply.
This warranty covers defects in material and workmanship
and not parts failure due to normal wear, depreciation,
abuse, accidental damage, negligence, improper use,
maintenance, water quality or storage. To make a claim
under the terms of the warranty, all parts said to be
defective must be retained and available for return upon
request to a designated Warranty Service Center for
warranty inspection. The judgments and decisions of the
manufacturer concerning the validity of warranty claims
are final.
These warranties pass through to the end user and are
non‑transferable. As a factory authorized and trained
Warranty Service Center, the factory will honor the terms
of all component warranties and satisfy claims of the
appropriate warrantyprovisions.
Normal wear items include, but are not limited to, valves
and seals, which are not covered by thiswarranty.
This warranty replaces all other warranties, express or
implied, including without limitation any warranties of
merchantability or fitness for a particular purpose and all
such warranties are hereby disclaimed and excluded by the
manufacturer. The manufacturer’s warranty obligation is
limited to repair and replacement of defective products as
provided herein and the manufacturer shall not be liable for
any further loss, damages, or expenses – including damages
from shipping, accident, abuse, acts of God, misuse, or
neglect. Neither is damage from repairs using parts not
purchased from the manufacturer or alterations performed
by non‑factory authorized personnel. Failure to install and
operate equipment according to the guidelines put forth in
the instruction manual shall void warranty.
This warranty does not cover the following:
machines used for rental purposes, damage resulting from
shipping (claims must be filed with freighter), accident,
abuse, act of God, misuse, or neglect. Neither is damage
from repairs or alterations performed by non‑factory
authorized personnel or failure to install and operate
equipment according to the guidelines put forth in the
instruction manual.
The manufacturer will not be liable to any persons
for consequential damage, for personal injury, or for
commercial loss.
Responsibility of Original Purchaser (InitialUser):
• To process a warranty claim on your DeWALT pressure
washer, report the concern to 1-877-362-4271 or
[email protected] for authorization and
direction to the nearest authorized service centre in
yourarea.
• 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).
Warranty Does Not Apply to Failures Due to:
• Merchandise sold as reconditioned, used as rental
equipment, used for commercial purposes or
commercial applications, or floor or displaymodels.
Freight damage
• Damage due to chemical deterioration, scale build up,
rust, corrosion or thermal expansion
• Freeze damage
• Damage caused by parts or accessories not obtained
from an authorized dealer or not approved by
themanufacturer.

18
• Normal wear of moving parts or components affected
by movingparts.
Engine and Emissions Control System
Covered by engine manufacturer warranty. See
enginemanual.
High Pressure Pump (defectsin material and
workmanship)
Three (3) years from date of purchase
Frame (defectsin material and workmanship)
Five (5) years from date ofpurchase.
Accessories (Defectsin Material and Workmanship)
Includes nozzles, hoses, spray guns, wands, tires, feet
Ninety (90) days from date ofpurchase.
Glossary
Bypass mode: Allows water to re‑circulate within pump
when the gun trigger is notpulled.
Chemical hose: Feeds cleaning agents into the
pump to mix with the water. Refer to Chemicals and
CleaningSolvents.
Chemical injection system: Mixes cleaners or cleaning
solvents with water to improve cleaningeffectiveness.
Choke control: Opens and closes carburetor chokevalve.
CU: Cleaning Units. GPM multiplied by psi. (GPM x PSI = CU)
Fuel valve lever: Opens/closes connection between fuel
tank andcarburetor.
GPM*: Gallons Per Minute. The unit of measure for the flow
rate ofwater.
PSI*: Pounds per Square Inch. The unit of measure for water
pressure. Also used for air pressure, hydraulic pressure,etc.
* Complies with CETA Performance Standard CPC‑100.
kPa (kilopascal): Metric pressure measurement.
1kilopascal equal 1000pascals.
Quick-connect spray wand: Allows the user to quickly
change out high pressure nozzles. Refer to Spray
WandNozzles.
Thermal relief valve: When the temperature inside the
pump rises too high the valve will open and release a gush
of water in an effort to lower the temperature inside the
pump. The valve will thenclose.
Water supply: All pressure washers must have a source of
water. The minimum requirements for a water supply are
20psi (138kPa) and 5gallons perminute.
Troubleshooting Guide
This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The
operator or maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified
FNA technician or yourdealer.
Problem Code
Engine will not start/Engine starts and dies 1, 2, 3, 4, 5, 6, 7, 8, 32 (refer to the engine's instruction manual for further engine troubleshooting)
No or low pressure (initial use) 9, 10, 11, 12, 13, 14, 15, 16
Will not draw chemicals 16, 17, 18, 19, 20, 21
No or low pressure (after period of normal use) 22, 23, 24
Water leaking at gun/spray wand connection 25, 26
Water leaking at pump 25, 26, 27, 28
Pump Pulsates 12
Electric start feature not working 29, 30, 31
Troubleshooting Codes
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
1No fuel. Add fuel.
2Low oil. Add required amount of oil.
3Pressure builds up after two pulls on the recoil starter or
after initial use.
Squeeze gun trigger to relieve pressure.
4Choke lever in the NO CHOKE position. Move choke to the CHOKE position.
5Spark plug wire not attached. Attach spark plug wire.
6Engine ON/OFF switch in OFF position. Place engine ON/OFF switch in ON position.

19
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
7Choke lever in the CHOKE position on a hot engine or an
engine that has been exposed to thermal heat for a long
period of time.
Move choke to the NO CHOKE position.
8Fuel valve CLOSED. Move the fuel valve lever to the OPEN position.
9Spray wand not in high pressure. See Spray Wand Nozzles under Operation.
10 Low water supply. Water supply must be at least 5 GPM @ 20 psi (138 kPa).
11 Leak at high pressure hose fitting. Repair leak. Apply sealant tape if necessary.
12 Nozzle obstructed. See Nozzle Cleaning under Maintenance.
13 Water filter screen clogged. Remove and clean filter. See To Clean the Water Inlet Filter
under Maintenance.
14 Air in hose. Turn off the engine, then the water source. Disconnect the
water source from the pump inlet and turn the water source
on to remove all air from the hose. When there is a steady
stream of water present, turn water source off. Reconnect
water source to pump inlet and turn on water source. Squeeze trigger to
remove remaining air.
15 Choke lever in the CHOKE position. Move choke to the NO CHOKE position.
16 High pressure hose is too long. Use high pressure hose under 100 feet (30.48 m). Lengthen water supply
hose instead of high pressure hose.
17 Spray wand not in low pressure. See Spray Wand Nozzles under Operation.
18 Chemical filter clogged. Clean filter.
19 Chemical screen not in cleaning solution. Make sure end of chemical hose is fully submerged into cleaning solution.
20 Chemical too thick. Dilute chemical. Chemical should be the same consistency as water.
21 Worn seal or packing. Have parts cleaned or replaced by authorized service center.
22 Chemical build up in chemical injector. Have replaced by an authorized service center.
23 Worn or obstructed valves. Have replaced by authorized service center.
24 Worn unloader piston. Have replaced by authorized service center.
25 Worn or broken o‑ring. Check and replace.
26 Loose hose connection. Tighten.
27 Piston packings worn. Have replaced by authorized service center.
28 Pump head or tubes damaged from freezing. Have replaced by authorized service center.
29 Engine start connector is not connected. Connect engine start connector.
30 Battery is not charged. Charge the battery. See Charging the Battery under Maintenance.
31 Battery positive and negative battery wires disconnected. Connect the positive and negative battery wires.
32 Unit equipped with water sensing device. Presence of
water is not detected in the pump.
Turn water faucet completely on.