Pressure Washer
Operation Manual
for model WD1600E
Part No. D28921 Rev. 0 3/17/03
IMPORTANT
Please make certain that the person who is to use this equipment
carefully reads and understands these instructions before operating.
Record All Information
for future reference:
Purchase Date:
Model #:
Serial #:
Questions? 1-800-888-2468
Learn more about your pressure
washer and register on line at
www
.devap.
com
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D28921
1.0 SAFETY AND OPERATION RULES
INDEX
1.0 SAFETY AND OPERATION RULES . page 2
2.0 SAFETY FEATURES . . . . . . . . . . . . page 8
3.0 INSTALLATION . . . . . . . . . . . . . . . . page 9
3.1 HIGH PRESSURE HOSE . . . . . page 9
3.2 WATER CONNECTION . . . . . . . page 9
3.3 POWER SUPPLY
CONNECTION . . . . . . . . . . . . . page 9
4.0 OPERATING INSTRUCTIONS . . . . page 10
4.1 START-UP PROCEDURE . . . . page 10
4.2 HIGH PRESSURE/
LOW PRESSURE . . . . . . . . . . page 11
4.3 ADJUSTABLE SPRAY
NOZZLE . . . . . . . . . . . . . . . . page 12
4.4 HIGH PRESSURE/
TURBO SPRAY . . . . . . . . . . . page 12
4.5 USE OF CHEMICAL . . . . . . . . page 13
4.6 CLEANING TECHNIQUES . . . page 13
4.7 END OF OPERATION . . . . . . . page 14
5.0 USER MAINTENANCE . . . . . . . . . page 14
5.1 CONNECTIONS . . . . . . . . . . . page 14
5.2 NOZZLE . . . . . . . . . . . . . . . . . page 14
5.3 LUBRICATION . . . . . . . . . . . . page 15
5.4 WATER SCREEN . . . . . . . . . . page 15
5.5 COOLING SYSTEM . . . . . . . . page 15
6.0 MOVING AND STORAGE
INSTRUCTIONS . . . . . . . . . . . . . . page 15
6.1 AFTER EXTENDED STORAGE page 15
7.0 TROUBLESHOOTING . . . . . . . . . page 16
8.0 REPLACEMENT PARTS AND
ACCESSORIES . . . . . . . . . . . . . . page 18
9.0 TECHNICAL DATA . . . . . . . . . . . . page 18
Indicates an imminently
hazardous situation which,
if not avoided, will
result in death or
serious injury.
Indicates a potentially
hazardous situation which,
if not avoided, could result in death or
serious injury.
Indicates a potentially
hazardous situation which, if
not avoided, may
result in minor or
moderate injury.
Used without the safety alert
symbol indicates a
potentially hazardous situation which, if not
avoided, may result in pr
operty damage.
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 symbols.
Read Operation Manual. Do not operate equipment until you have
read Operation Manual for Safety, Assembly, Operation, and Mainte-
nance Instructions.
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D28921
• Water 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.
• This product is powered by electricity. It contains
and sprays water and other conductive liquids.
Improper operation could result in electrocution.
• The Ground Fault Circuit Interrupter (GFCI) will
not function properly unless connected to a
fully grounded electrical circuit!
• Extension cords can lead to electrical shock.
• Always connect cordset to a properly
grounded and polarized electrical circuit. Your
cordset is equipped with a Gr
ound Fault Circuit
Interrupter (GFCI) for your personal
protection.
• Do not touch plug or outlet with wet hands
• If damaged, the entire cordset assembly must be
replaced by an authorized service center. Refer
to Grounding Instructions.
• Do not use with extension cords.
RISK OF
ELECTRICAL SHOCK
DANGER
WHAT CAN HAPPEN
HOW TO PREVENT IT
• 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 OF EXPLOSION OR FIRE
DANGER
WHAT CAN HAPPEN
HOW TO PREVENT IT
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. Work
in a well ventilated area.
Use of acids, unapproved chemicals, or flammable
solvents with this product could cause injury or
death.
Restricting any of the pressure washer
ventilation openings will cause serious
overheating and could cause fire.
Never place objects against or on top of
pressure washer. Operate pressure washer in
an open area at least 12 inches away from any
wall or obstruction that would restrict the flow of
fresh air to the ventilation openings.
RISK TO BREATHING
DANGER
WHAT CAN HAPPEN
HOW TO PREVENT IT
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• 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!
RISK TO FLUID INJECTION
DANGER
WHAT CAN HAPPEN
HOW TO PREVENT IT
• Injuries can result if system pressure is not
reduced before attempting maintenance or
disassembly.
• To relieve system pressure, place on/off switch in
off position, turn off water supply, and pull gun
trigger until water stops flowing.
• Use only hose and high pressure accessories
rated for pressure higher than your pressure
washer's p.s.i.
• Never place hands in front of nozzle.
• Do not direct discharge stream at persons or
animals.
• Make sure hose and fittings are tightened and in
good condition. Never hold onto the hose or
fittings during operation.
• Do not operate pressure washer with worn or a
braided hose.
• Never attach or remove wand or hose fittings
while system is pressurized.
RISK OF
CHEMICAL
BURN
DANGER
WHAT CAN HAPPEN
HOW TO PREVENT IT
• 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.
• Use of acids, toxic or corrosive chemicals,
poisons, insecticides, or any kind of flamma-
ble solvent with this product could result in
serious injury or death.
• 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 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 safety features of this prod-
uct.
• Never leave wand unattended while unit is
running.
• Know how to stop product and bleed
pressure quickly.
RISK OF UNSAFE OPERATION
WHAT CAN HAPPEN
HOW TO PREVENT IT
DANGER
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• 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.
• Do not overreach or stand on an unstable
support. Grip gun/wand firmly with both
hands. Expect the gun to kick when trig-
gered.
• 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.
• Unsafe operation of your pressure washer
could lead to serious injury or death to you or
others.
• Avoid accidental starts. Move switch on unit to
"OFF" position before connecting or
disconnecting cord to electrical outlets.
• Never carry your pressure washer by the cord.
Do not pull on the cord to disconnect from the
outlet.
• To prevent damage, the cord should not be
crushed, placed next to sharp objects or near a
heat source.
• Disconnect power plug from the outlet when not
in use and prior to the detaching of the high
pressure hose.
• Never tie knots or kink the high pressure hose as
damage could result.
• Prior to starting the pressure washer in cold
weather, be sure ice has not formed in any part
of the equipment.
• To minimize the amount of water getting into the
pressure washer, the unit should be placed as far
as possible from the cleaning site during
operation.
• Pressure washer pump contains moving parts.
Contact with moving parts can cause serious
injury.
• Never operate machine with pump guard
removed.
• Do not operate machine with missing,
broken, or unauthorized parts.
• Contact with hot surfaces could result in seri-
ous 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.
RISK OF UNSAFE OPERATION
WHAT CAN HAPPEN
HOW TO PREVENT IT
RISK OF HOT
SURFACES
DANGER
WHAT CAN HAPPEN
HOW TO PREVENT IT
DANGER
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GROUNDING INSTRUCTIONS
This product must be grounded. If it should malfunction or breakdown, grounding provides a path of
least resistance for electric current to reduce the risk of electric shock. This product is equipped with
a cord having an equipment-grounding conductor and a grounding plug. The plug must be plugged
into an appropriate outlet that is properly installed and grounded in accordance with all local codes
and ordinances.
Improper connection of the equipment-grounding conductor can result in a
risk of electrocution. Check with a qualified electrician or service person if
you are in doubt as to whether the outlet is properly grounded. Do not modify the plug
provided with the product - if it will not fit the outlet installed by a qualified electrician. Do
not use any type of adapter with this product.
DANGER
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.
SAVE THESE INSTRUCTIONS
• High velocity fluid spray can cause objects to
break, propelling particles at high speed.
• Light or unsecured objects can become
hazardous projectiles.
RISK OF INJURY FROM SPRAY
WHAT CAN HAPPEN
HOW TO PREVENT IT
• Always wear ANSI approved Z87 safety
glasses.Wear protective clothing to protect
against accidental spraying.
• Never point wand at, or spray people or
animals.
• Always secure trigger lock when wand is not in
service to prevent accidental operation.
• Never permanently secure trigger in pull back
(open) position.
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PARTS DRAWING
PARTS LIST
1 Wand with Rotary Nozzle Head
2 Spray Gun
3 High-Pressure Hose
4 Holder For High-Pressure Hose
5 ON/OFF Switch
6 High-Pressure Hose Connector
7 Threaded Water Inlet
8 Wand with Variable Nozzle Head
9 Holder for Accessories
10 Screw (Chemical Solution Reservoir)
11 Electrical GFCI Plug
12 Water Plug
13 Screen Filter
14 Garden Hose Inlet Nipple with Quick Connector
15 Chemical Solution Reservoir
16 Holder for Power Cable
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2.0 SAFETY FEATURES
The pressure washer is equipped with a stop device which will sense when the trigger on the gun
is released. It will open the power circuit to the motor and cause the pressure washer to stop.
The pressure washer is also equipped with a main power ON/OFF switch
located on the unit. It should always be moved to the off position when the
pressure washer is not being used to prevent possible injury or damage.
MOTOR OVERLOAD
The electric motor in this pressure washer is equipped with an overload protection device which
will automatically shut off the motor in the event the motor draws excessive current or overheats.
The device will automatically reset itself and resume normal operation after a short period of time.
GROUND-FAULT CIRCUIT-INTERRUPTER PROTECTION
This pressure washer is provided with a ground-fault circuit-
interrupter (GFCI) built into the plug of the power supply cord.
This device provides additional protection from the risk of
electric shock. Should replacement of the plug or cord
become necessary, use only identical replacement parts that
include GFCI protection.
EXTENSION CORDS
extension cords are not recommended
unless they are plugged into a ground-
fault circuit-interrupter found in circuit boxes or protected
receptacles.
Use only 3-wire extension cords that have 3-prong grounding-type plugs and 3-pole cord
connectors that accept the plug from the product.
Use only extension cords that are intended for outdoor use. These extension cords are identified
by a marking “Acceptable for use with outdoor appliances; store indoors while not in use”.
Use only extension cords having an electrical rating higher than the rating of the product.
Do not use damaged extension cords. Examine extension cord before using and replace if
damaged.
Do not abuse extension cord and do not yank on any cord to disconnect. Keep cord away from
heat and sharp edges. Always disconnect the extension cord from the receptacle before
disconnecting the product from the extension cord.
When using an extension cord, observe the specification below:
Cable Length Wire Gauge
Up to 50 ft. 14 AWG
50 to 100 ft. 12 AWG
To reduce the risk of electrocution, keep all connections dry and off the
ground. Do not touch plug with wet hands.
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3.3 POWER SUPPLY CONNECTION
The pressure washer is factory-equipped with an electrical cord and a Ground Fault Circuit
Interrupter (GFCI) power plug.
This cord should only be connected to an electrical outlet installed in accordance with local safety
regulations.
NOTE: The power supply must be 120v, 60hz and a minimum 15 amp circuit.
Test GFCI before each use. DO NOT use pressure washer if test below fails.
GFCI Test Procedures:
1. Plug GFCI into power receptacle
2. Press reset button
3. Press test button.
4. Press reset button again for use.
NOTE: The GFCI must be reset each time the pressure washer is connected to an electrical outlet.
Reset by simply pushing the reset button on the GFCI power plug.
WATER CONNECTION
Proper water connection.
3.0 INSTALLATION
3.1 HIGH PRESSURE HOSE
Remove and discard the water plug (12 parts list) before attaching the high pressure hose by
carefully inserting the fitting with the o-ring into the high pressure outlet and tighten the threaded
nut by hand.
3.2 WATER CONNECTION
Before connecting, run water through the garden hose (not supplied) to flush out any foreign
matter. Attach garden hose to the pressure washer water inlet connection.
Fig. 1
Machine Inlet
Quick Connector
Garden Hose
Gasket
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D28921
A. Connect only to properly grounded outlet. Do not remove grounding pin.
B. Inspect cord before using. Do not use if cord is damaged.
C. Keep all connections dry and off the ground.
D. Do not touch plug with wet hands.
E. The pressure washer is provided with a ground-fault circuit interrupter built into the power
plug. If replacement of the plug or cord is needed, use only identical replacement parts.
Contact Customer Service for proper replacement parts.
Extension cords are not recommended unless they are plugged into a receptacle protected by a
ground fault circuit interrupter. Any extension cord used should be 14 AWG and no longer than 50
feet to prevent excessive voltage loss. Use only extension cords intended for outdoor use. These
extension cords are identified by a marking “Acceptable for use with outdoor appliances; store
indoors when not in use”.
4.1 START-UP PROCEDURE
1. Make sure water supply is connected and turned on.
2. Make sure the unit is plugged in and the GFCI HAS BEEN RESET.
3. Release gun safety if locked.
4.0 OPERATING INSTRUCTIONS
Risk of injection or injury. Do not direct discharge stream at persons.
A. Safety lock “locked”
B. Safety lock “unlocked”
4. To allow air to escape from the hose, squeeze trigger on the gun until there is a steady stream
of water.
5. Remove any dirt or foreign matter from the gun outlet and the male connector of the wand.
6. Insert the requested wand into the gun’s quick connect coupling by pushing firmly and twisting
wand ¼ of a turn to lock into place.
NOTE: Make sure wand is locked.
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7 Squeeze trigger on the spray gun
8 Press the on/off button to start pressure washer
if the wand is not securely locked into place, it could be ejected under
high pressure when operating the gun, possibly causing injury or damage.
When low-pressure is required, grasp collar and slide collar and nozzle away from the gun.
4.2 HIGH PRESSURE/LOW PRESSURE
Do not move the nozzle to adjust pressure while the trigger is squeezed.
The high pressure nozzle position is intended for cleaning. When high pressure is required, grasp
collar and slide the collar and nozzle toward the gun.
NOTE: Make sure the collar is pulled to the extreme rear position to lock the nozzle in the high
pressure position.
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4.3 ADJUSTABLE SPRAY NOZZLE
The adjustable spray nozzle can adjust spray from fan to pencil point in both the high and low
pressure positions. The spray is adjusted by turning the nozzle.
The pencil point spray adjustment is very aggressive. We recommend that
for most cleaning applications, a twenty degree (20°) spray angle be used
to avoid damage to the surface being sprayed.
NOTE: The pressure of the spray on the surface you are cleaning increases as you move the wand
closer to the surface.
To increase angle to a fan spray, turn counterclockwise
To decrease angle to pencil point spray, turn clockwise
4.4 HIGH PRESSURE/TURBO SPRAY
Do not move the nozzle to adjust pressure.
The high pressure rotary nozzle position is intended for maximum cleaning effect. Keep the spray
lance min. 6” to 8” away from the cleaning surface at all times.
Rotary Spray
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4.6 CLEANING TECHNIQUES
When cleaning with the pressure washer, some cleaning tasks can be solved with water alone, but
for most tasks it is advantageous to use a detergent. A detergent ensures a quick soaking of the
dirt allowing the high pressure water to penetrate and remove the dirt more effectively.
The low pressure position provides a gentle application of chemicals. This position is also
recommended to rinse a surface after wax application or for other applications which require the
low pressure of a garden hose. Low pressure is the equivalent of a garden hose set at the lowest
output to properly apply chemical. FOR CHEMICAL APPLICATION, SLIDE COLLAR ACCORDING
TO SECTION 4.2.
4.5 USE OF CLEANING CHEMICALS
only use cleaning chemicals recommended for pressure washers.
1 Insert the relevant suction tube (2) beneath the chemical solution reservoir.
2 Fill the reservoir (1) with suitable cleaning solution.
3 Insert the chemical solution reservoir into the relative compartment in the rear part of the
machine
4 Secure the chemical solution reservoir with the screw provided
5 Move the adjustable nozzle forward to the low pressure position by sliding collar toward the
nozzle. The chemical will automatically be mixed with the water and discharged through the
nozzle.
NOTE: When the adjustable nozzle is moved to the high pressure position, chemical will not be
discharged.
APPLICATION OF SOAP DEGREASER
1. Apply the solution to a DRY work surface. NOTE: WETTING THE SURFACE FIRST IS NOT
RECOMMENDED, AS IT DILUTES THE DETERGENT AND REDUCES ITS CLEANING ABILITY.
On a vertical surface, apply horizontally from side to side starting from the bottom to avoid
streaking.
2. Allow chemical to remain on the surface for a short time before rinsing
Damage may occur to painted surface if chemical is allowed to dry on the
surface. Wash and rinse a small section at a time. Avoid working on hot
surfaces or in direct sunlight.
3. Rinse with clean water under high pressure. On a vertical surface, first rinse from the bottom
up, then rinse from the top down. Hold nozzle 6 to 8 inches from the work surface at a 45°
angle using the flat spray as a peeling tool rather than a scrub brush.
NOTE: Insure that the chemical injection system is completely clean prior to switching from one
chemical to another.
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APPLICATION OF LIQUID VEHICLE WAX
1. Immediately after cleaning, apply Pressure Washer Liquid Vehicle Wax using low pressure.
Pour wax into chemical solution reservoir.
2. Apply the wax sparingly in an even layer. Apply to wet surfaces from the bottom up for even
distribution and to avoid streaking.
3. Rinse off the surplus wax. NOTE – IF SURPLUS WAX IS NOT REMOVED, A HAZY FINISH
MAY RESULT.
4. Wipe dry to reduce water spotting.
4.7 END OF OPERATION
When you have completed use of the chemical injection system, remove tube from container,
continue to run in low pressure position and flush clean water through the chemical tank until it is
thoroughly cleaned. NOTE: Failure to clean properly will cause the injection system to become
clogged and inoperable.
l Stop the unit by pressing the ON/OFF button to the "OFF" position.
l Disconnect electrical plug.
l Turn off water and depressurize unit by squeezing trigger.
Turn off water supply and squeeze trigger to depressurize the unit. Failure
to do so could result in personal injury due to discharge of high pressure
water.
l Disconnect the high pressure discharge hose and the water inlet hose.
5.2 NOZZLE
The high pressure/low pressure adjustment of the nozzle should be lubricated regularly.
Clogging of the nozzle causes the pump pressure to be too high and cleaning is immediately
required.
1. Separate the nozzle from the wand
2. Clear the nozzle.
5.0 MAINTENANCE
5.1 CONNECTIONS
Connections on Pressure Washer hoses, gun and spray wand should be cleaned regularly and
lubricated to prevent leakage and damage to the o-rings.
3. Flush the nozzle backwards with water
4. Reconnect the nozzle to the wand
NOTE: Completely screw the nozzles on the wand up to the complete lock. (see picture)
Restart the pressure washer and depress the trigger on the spray gun. If the pressure is still too
high, repeat above items 1-4.
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D28921
6.0 MOVING AND STORAGE INSTRUCTIONS
Always store your pressure washer in a location where the temperature will
not fall below 32°F. The pump in this machine is susceptible to permanent
damage if frozen. FREEZE DAMAGE IS NOT COVERED BY THE WARRANTY.
If you must store your pressure washer in a location where the temperature is below 32°F, you can
minimize the chance of damage to your machine by utilizing the following procedure:
1. Stop the pressure washer and detach supply hose and high pressure hose.
2. Squeeze the trigger of the discharge gun to drain all water from the wand and hose.
3. Restart the pressure washer and let it run briefly (about 5 seconds) until water no longer
discharges from the high pressure outlet.
6.1 AFTER EXTENDED STORAGE
Scale deposits may form in the pump when it is not used for some time.
This causes the motor to run stiff or it may not start up at all.
Remove scale deposits from the piping.
l Connect machine to water supply and rinse thoroughly with water. Do not plug unit into
electrical outlet.
To avoid electrical overloading turn the motor shaft by hand.
5.4 WATER SCREEN
The pressure washer is equipped with a water inlet screen to protect the pump.
If the screen is not kept clean, the flow of water to the pressure washer will
be restricted and the pump may be damaged.
5.3 LUBRICATION
The pressure washer is designed with a permanent lubrication system. Conventional oil check and
oil changes are not necessary.
NOTE: IN CASE OF OIL LEAKAGE, CONTACT CUSTOMER SERVICE DEPARTMENT
CONCERNING REPAIR. A SMALL AMOUNT OF OIL LEAKAGE IS NORMAL.
l To clean inner water screen, remove quick connect and remove the filter screen from the
pump inlet. (see page 4, item 13)
l Backflush screen to clean
l Replace screen and quick connect immediately to prevent any foreign matter from entering the
pump.
Do not damage the screen while removing or cleaning. Any foreign
particles entering the pump may damage the pump.
5.5 COOLING SYSTEM
The air vents, located in and around the pressure washer, must be kept clean and free of any
obstructions to ensure proper air cooling of the motor during operation.
prevent water from penetrating the vents of the pressure washer to
minimize the risk of damage to the machine and to reduce the risk of shock
to the operator.
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D28921
7.0 TROUBLESHOOTING
Proceed as follows:
l Disconnect unit from electrical outlet.
l Remove cover (Fig. A)
l Insert a suitable hexagon socket wrench (size 4 mm.) through the middle opening in the fan
cover and into the hexagon socket in the motor shaft.
l Turn the motor shaft clockwise by hand several times (Fig. B)
l Remove hexagon socket wrench
l Install cover
l Plug unit into electrical outlet
l Switch on machine with spray gun open.
Fig. A
Fig. b
Motor will not start or
stops while operating
GFCI tripped or not reset Turn off unit. Press GFCI reset
button firmly after it has been
connected to the electrical supply
Circuit breaker tripped or fuse
blown in circuit fuse box
Disconnect all other loads on the
same circuit and reset circuit breaker
or replace fuse
Loose or disconnected plug Reconnect plug
Tripped pressure washer
circuit breaker
Allow to cool and restart unit
Circuit breaker trips or
fuse blown in fuse box
Circuit Overload Check that the circuit is rated 15
amps or greater. Disconnect all
loads on the circuit
Extension cord too long or
wire size too small
Use proper extension cord as
recommended in Operator's Manual
Nozzle partially blocked
Clean nozzle as instructed in
Section 5.2
Excessive pressure
Reduce pressure by using pressure
adjustment knob
GFCI trips repeatedly
Incorrect voltage See Section 3.3
Internal short Call Customer Service Department
PROBLEM
POSSIBLE CAUSE
CORRECTION
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D28921
Water or oil leaking
from bottom of pump
A small amount of leakage is
normal
If excessive leaking occurs call
Customer Service Department
Bypass valve not operating
properly
Call Customer Service Department
Faucet closed
Open faucet
Unit has been stored in freezing
temperatures
Thaw out unit completely including
hose, gun, and wand
No intake of chemicals
Injection tube not securely
inserted into pressure washer
Push firmly into machine
Tube cracked or split Replace tubing
Pressure increases
when gun is closed
Motor running but
pump not building
maximum pressure or
has irregular pressure
Water inlet screen clogged
Clean screen. See section 5.4
Air in pump
Let pressure washer run with gun
open and wand removed until
steady stream of water is released.
Adjustable pressure knob not
set to maximum position
Set to maximum position. See
Section 4.2
Suction or discharge valves
clogged or worn out
Call Customer Service Department
By-pass valve not operating
effectively
Call Customer Service Department
Wrong Nozzle setting Switch nozzle to low pressure
Injection tube strainer clogged Clean strainer
Dried chemicals in injector Dissolve by running warm water
through the injection tube
Gun safety lock engaged Release safety lock
Trigger will not move
PROBLEM
POSSIBLE CAUSE
CORRECTION
Nozzle Blocked Clean Nozzle. See Section 5.2
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9.0 TECHNICAL DATA
Pump pressure 1600 psi MAX.
Operation Pressure
Electrical requirement 120V, 13 Amps, 60 Hz
Electrical cord 35 ft.
High Pressure Hose 23 ft.
Flow Rate at 1600 psi 1.6 gpm
Minimum Amperage source 15 amp
Pressure of inlet water 20 - 100 psi
Injection rate 2 - 4%
Inlet Water Cold Tap Water
Nozzle Spray Angle
High Pressure 0 - 60°
Nozzle Spray Angle
Low Pressure 0 - 90°
Turbo Nozzle Spray 30°
Manufacturing Tolerances (+-10%) on stated performances.
8.0 REPLACEMENT PARTS AND ACCESSORIES
THE FOLLOWING LIST OF ACCESSORIES AND REPLACEMENT PARTS ARE AVAILABLE
PLEASE CONTACT CUSTOMER SERVICE FOR MORE INFORMATION 1-800-888-2468
Code
Description
D28936 Detergent Tank
D28937 Detergent Tank Cap
D28939 Handle
D28940 Hubcap
D28941 Wheel
D28942 Locknut
D28943 Hose
D28944 Suction Fliter
D28945 Gun with hose
D28946 Multi-Reg Nozzle
D28947 Rotating Nozzle
D28949 Switch
D28950 Axle
D28921 Manual
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D28921
Please Call Us First.
If there are missing or damaged parts,
DO NOT RETURN THIS PRODUCT TO THE STORE.
Our Customer Service Department
is available to help with any problems
and operational questions.
Our toll free number
1-800-888-2468
SEE OUR WEB SITE FOR REPLACEMENT AND OR MISSING PARTS
www.devap
.
com
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D28921
DeVilbiss Air Power Company warrants to the original purchaser who uses the product in a consumer
application (personal, residential or household usage) that all products covered under this warranty are free from
defects in material and workmanship for one year from the date of purchase. All products covered by this limited
warranty which are used in commercial applications (i.e., income producing) are warranted to be free of defects
in material and workmanship for 90 days from the date of original purchase. Products covered under this
warranty include air compressors, air tools, service parts, pressure washers, and generators.
DeVilbiss Air Power Company will repair or replace, at DeVilbiss' option, products or components which have
failed within the warranty period. Service will be scheduled according to the normal work flow and business
hours at the service center location, and the availability of replacement parts. All decisions of DeVilbiss Air
Power Company with regard to this limited warranty 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, 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 Authorized Warranty Service Center. Freight costs, if any, must be
paid by the purchaser.
• Air compressors with 60 and 80 gallon tanks will be inspected at the site of installation. Contact the nearest
Authorized Warranty Service Center that provides on-site service calls for service call arrangements.
• If the 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 of improper chemicals, negligence, accident, failure to operate the
product in accordance with the instructions provided in the Owners Manual(s) supplied with the product,
improper maintenance, the use of accessories or attachments not recommended by DeVilbiss Air Power
Company, or unauthorized repair or alterations.
* 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.
• Repair and transportation costs of merchandise determined not to be defective.
• Costs associated with assembly, required oil, adjustments or other installation and start-up costs.
• Expendable parts or accessories supplied with the product which are expected to become inoperative or
unusable after a reasonable period of use, including but not limited to sanding disks or pads, saw and shear
blades, grinding stones, springs, chisels, nozzles, o-rings, air jets, washers and similar accessories.
• Merchandise sold by DeVilbiss Air Power Company which has been manufactured by and identified as the
product of another company, such as gasoline engines. The product manufacturer's warranty, if any, will
apply.
• ANY INCIDENTAL, INDIRECT OR CONSEQUENTIAL LOSS, DAMAGE, OR EXPENSE THAT MAY RESULT
FROM ANY DEFECT, FAILURE OR MALFUNCTION OF THE PRODUCT IS NOT COVERED BY THIS
WARRANTY. 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 OR 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.
213 Industrial Drive • Jackson, TN 38301-9615
Telephone: 1-800-888-2468
FAX: 1-800-888-9036
LIMITED WARRANTY
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