5 Horsepower
Pressure Washer with
6000 Cleaning Units
(Model D2400H)
INSTRUCTION MANUAL
To learn more about DELTA MACHINERY
visit our website at: www.deltamachinery.com.
For Parts, Service, Warranty or other Assistance,
please call
1-866-422-4286
PART NO. A09733 Rev. 0
Copyright © 2005 Delta Machinery
ESPAÑOL: PÁGINA 19
FRANÇAIS: PAGE 37
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 symbols.
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.
which, if not avoided, may result in minor
or moderate injury.
potentially hazardous situation which, if not
avoided, may result in property damage.
Indicates a potentially
hazardous situation
Used without the safety
alert symbol indicates a
CONSUMER SAFETY INFORMATION
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.
Engine exhaust contains chemicals known, in certain quantities, to
cause cancer, birth defects or other reproductive harm.
IMPORTANT SAFETY INSTRUCTIONS
Do not operate this unit until you have read and understand this
Operation, and Maintenance Instructions.
Operators Manual and the Engine Owners Manual for Safety,
READ AND SAVE THESE INSTRUCTIONS
HAZARD
RISK OF EXPLOSION OR FIRE
WHAT CAN HAPPEN
• 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.
A09733
TO PREVENT IT
HOW
• 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.
• Keep maximum fuel level ½" below top of
tank to allow for expansion.
• Operate and fuel equipment in well ventilated areas free from obstructions. Equip
areas with fire extinguisher suitable for
gasoline fires.
2- ENG
HAZARD
RISK OF EXPLOSION OR FIRE (continued)
WHAT CAN HAPPEN
• 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.
HAZARD
RISK TO BREATHING
WHAT CAN HAPPEN
• Breathing exhaust fumes will cause
serious injury or death! Engine exhaust
contains carbon monoxide, an odorless
and deadly gas.
• Some cleaning fluids contain substances
which could cause injury to skin, eyes, or
lungs.
TO PREVENT IT
HOW
• Never operate pressure washer in an area
containing dry brush or weeds.
• Always keep pressure washer a minimum of
four feet away from surfaces (such as houses,
automobiles, or live plants) that could be
damaged from muffler exhaust heat.
• Store fuel in an OSHA approved container,
in a secure location away from work area.
• Do not spray flammable liquids.
TO PREVENT IT
HOW
• Operate pressure washer in a well
ventilated area. Avoid enclosed areas such
as garages, basements, etc.
• Never operate unit in a location occupied
by humans or animals.
• Use only cleaning fluids specifically recommended for high pressure washers. Follow
manufacturers recommendations. Do not
use chlorine bleach or any other corrosive
compound.
HAZARD
RISK TO FLUID INJECTION
WHAT CAN HAPPEN
• 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!
• Injuries can result if system pressure is not
reduced before attempting maintenance or
disassembly.
TO PREVENT IT
HOW
• 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.
• To relieve system pressure, shut off
engine, turn off water supply, and pull gun
trigger until water stops flowing.
• Use only hoses and accessories rated
for pressure higher than your pressure
washer's PSI.
3- ENG
A09733
HAZARD
RISK OF
WHAT CAN HAPPEN
• 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.
RISK OF
WHAT CAN HAPPEN
• Spray directed at electrical outlets or
switches, or objects connected to an
electrical circuit, could result in a fatal
electrical shock.
RISK OF
ELECTRICAL SHOCK
WHAT CAN HAPPEN
• Contact with hot surfaces, such as
engines exhaust components, could
result in serious burn.
CHEMICAL
BURN
ELECTRICAL SHOCK
HAZARD
ELECTRICAL SHOCK
RISK OF HOT
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.
HAZARD
TO PREVENT IT
HOW
• Unplug any electrically operated product
before attempting to clean it. Direct spray
away from electric outlets and switches.
RISK OF
SURFACES
TO PREVENT IT
HOW
• 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 INJURY OR PROPERTY DAMAGE
WHEN TRANSPORTING OR STORING
WHAT CAN HAPPEN
• 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.
A09733
HAZARD
TO PREVENT IT
HOW
• 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.
4- ENG
RISK OF UNSAFE OPERATION
WHAT CAN HAPPEN
• 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 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.
HAZARD
TO PREVENT IT
HOW
• 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 defeat 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 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.
• Keep children away from the pressure
washer at all times.
• 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.
RISK OF INJURY FROM SPRAY
WHAT CAN HAPPEN
• High velocity fluid spray can cause
objects to break, propelling particles at
high speed.
• Light or unsecured objects can become
hazardous projectiles.
HAZARD
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.
5- ENG
A09733
CARTON CONTENTS
Operation
Engine Frame
and Wheel
Assembly
High Pressure
Hose
"Water Vroom"
Surface Cleaning Guide
Manual
Engine
Manual
Spray Gun
Quick Connect Spray Wand
Chemical
Hose
Registration
ASSEMBLY INSTRUCTIONS
1. To Assemble Quick Connect
Grommets:
a. Squeeze grommet and place
into hole, fitting groove to
rim.
Nozzle
card
Cleaning
Tool
Bagged Parts
Grommet Kit
with Quick
Connect
Nozzles
Handle
Engine
2. To Assemble Quick Connect
Nozzles:
a. Remove four colored quick
connect nozzles from plastic
bag and insert them into
correct grommet. NOTE:
Nozzles are color coded to
match colored nozzles on
panel.
Oil
b. Push grommet into place.
c. Repeat steps until all
grommets are assembled.
A09733
6- ENG
3. Place handle assembly onto
frame, depress the snap buttons,
and slide the handle assembly onto
the frame until snap buttons snap
into place.
4. Attach high
pressure hose
to gun. Tighten
securely.
5. To Assemble "Water Vroom"
surface cleaning guide.
NOTE:
If not using the "Water Vroom"
surface cleaning guide proceed
to step 6.
a. Loosen knob
(a) and rotate
a
"J" hook (b)
down and
out of the
way.
b. Slide spray
b
wand (c)
through
opening
in surface
cleaning
c
guide.
IMPORTANT: Make sure nozzle is
removed before assembling surface
cleaning guide.
c. Adjust spray wand to
desired height needed for
job to be performed.
d. Snap spray
c
wand (c)
in place
on surface
cleaning
guide
e. Rotate
"J" hook
b
over spray
wand and
a
tighten knob
securely.
f. See To Use Spray Wand
paragraph in the Operation
section of this manual to
choose and assemble the
correct nozzle for the job to
be performed.
6. Connect wand to gun. Tighten
securely.
7. Add engine oil (supplied)
to engine. Refer to Engine
Owners Manual supplied by
engine manufacturer for correct
procedure.
NOTE: There will be a slight amount of
oil in the engine from factory testing.
NOTE: The high pressure pump was
filled with oil at the factory. The oil in
the high pressure pump was designed
to last the life of the pump. If there is
a problem with the pump contact an
Authorized Service Center.
The shipping plug
must be removed
and replaced with the dipstick/oil
plug before operating pressure
washer.
8. Using an 11/16"
wrench, remove
shipping plug
from pump
by turning it
counterclockwise. Discard plug.
9. Remove dipstick/oil plug from
plastic bag and install into pump,
tighten securely.
7- ENG
A09733
OPERATING INSTRUCTIONS
Compare the illustrations with your unit to familiarize yourself with the location
of various controls and adjustments. Save this manual for future reference.
Spray
Gun
Surface
Cleaning
Guide
High
Pressure
Pump
Quick
Connect
Spray Wand
Engine
High
Pressure
Hose
BASIC ELEMENTS OF A
PRESSURE WASHER
High Pressure Pump: Increases the
pressure of the water supply.
Engine: Drives the high pressure
pump.
High Pressure Hose:
pressurized water from the pump to
the gun and spray wand.
Spray Gun: Connects with spray
wand to control water flow rate,
direction, and pressure.
Quick Connect Spray Wand: Allows
the user to quickly change out highpressure nozzles. See How To Use
Spray Wand instructions in this section.
Chemical Hose (not shown): Feeds
cleaning agents into the pump to
mix with the water. See How To
Apply Chemicals/Cleaning Solvents
instructions in this section.
A09733
Carries the
"Water Vroom" surface cleaning
guide: Allows the operator to
maintain a consistent distance when
cleaning most any flat surface.
BASIC ELEMENTS OF AN
ENGINE
Refer to the engine manual for
location and operation of engine
controls.
Choke Control:
carburetor choke valve.
Starter Grip: Pulling starter grip
operates recoil starter to crank
engine.
Engine Switch: Enables and disables
ignition system.
8- ENG
Opens and closes
PRESSURE WASHER
TERMINOLOGY
PSI: Pounds per Square Inch. The
unit of measure for water pressure.
Also used for air pressure, hydraulic
pressure, etc.
GPM: Gallons Per Minute. The unit of
measure for the flow rate of water.
CU: Cleaning Units. GPM multiplied
by PSI. GPM x PSI = CU
Bypass Mode: Allows water to
re-circulate within pump when the
gun trigger is not pulled.
Allowing the unit to
two minutes without the gun trigger
pulled could cause overheating and
damage to the pump.
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.
Chemical Injection System: Mixes
cleaners or cleaning solvents with
the water to improve cleaning
effectiveness.
Water Supply: All pressure washers
must have a source of water. The
minimum requirements for a water
supply are 20 PSI and 5 gallons per
minute.
run for more than
Thermal
Relief
Valve
PRESSURE WASHER
OPERATING FEATURES
PRESSURE ADJUSTMENTS
The pressure setting is preset at the
factory to achieve optimum pressure
and cleaning. If you need to lower the
pressure, it can be accomplished by
these methods.
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 40º nozzle -
(white) this nozzle delivers a less
powerful stream of water and a
wider spray pattern.
DO NOT attempt
pressure. A higher pressure setting
than the factory set pressure may
damage pump.
3. Adjust the
pressure
regulator
on the
pump.
Turn the
pressure
regulator
knob counterclockwise to lower pressure. Refer to
the illustrations to identify your
pressure regulator. Once you
have finished using your pressure
washer, return the pressure regulator to its original position by
turning it clockwise.
knob past the built-in stop or
damage to pump will result.
to increase pump
Pressure
Regulator
Knob
DO NOT try to turn
pressure regulator
9- ENG
A09733
READ AND UNDERSTAND ALL WARNINGS BEFORE STARTING UNIT
When using the high pressure setting, DO NOT allow the high
or with any pets or animals. Serious injury can 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!
NEVER fill fuel tank completely. Fill tank to 1/2" below bottom of filler neck
to provide space for fuel expansion. Wipe any fuel spillage from engine and
equipment before starting engine.
NEVER run engine indoors or in enclosed, poorly ventilated areas. Engine exhaust
contains carbon monoxide, an odorless and deadly gas.
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.
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. If pump is left in bypass
mode for more than two minutes internal components of the pump can be
damaged.
If you do not understand these precautions, please call
speak to a service representative for further instructions.
pressure spray to come in contact with unprotected skin, eyes,
NEVER fill fuel tank when engine is running or hot. Do not
smoke when filling fuel tank.
NEVER pull water supply hose to move pressure washer. This
could damage hose and/or pump inlet.
1-866-422-4286 to
TO USE SPRAY WAND
The nozzles for the spray wand are stored in nozzle holder on the panel
assembly. Colors on the panel identify nozzle location and spray pattern. See
chart to choose the correct nozzle for the job to be performed.
Nozzle Color Red Yellow White Black
0º 15º 40º low pressure
Spray Pattern
powerful
Uses
Surfaces *
pinpoint for
very intense
cleaning
Metal or
concrete
DO NOT use
on 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.
A09733
intense
cleaning of
small areas
metal,
concrete, or
wood
covers wide
areas of
cleaning
metal,
concrete,
wood, or vinyl
applies
cleaning
solutions
metal,
concrete,
wood, or vinyl
The high pressure spray from your pressure washer is
capable of causing damage to surfaces such as wood,
10- ENG
CHANGING NOZZLES ON SPRAY
WAND
Risk of Flying
Object 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.
Risk of Flying
Object could
cause risk of serious injury. Ensure
nozzle is completely inserted in
QC socket, and QC snap ring is
fully engaged (forward) before
squeezing gun trigger.
Risk of injection or
injury to person.
Do not direct discharge stream
toward persons, unprotected
skin, eyes, or any pets or animals.
Serious injury can occur.
HOW TO APPLY CHEMICALS
AND CLEANING SOLVENTS
Applying chemicals or cleaning
solvents is a low pressure operation.
NOTE: Use only soaps and chemicals
designed for pressure washer use.
not use bleach.
To Apply chemicals:
1. Press chemical
hose onto
barbed fitting
located near high
pressure hose
connection of
pump as shown.
2. Place other end
of chemical
hose with filter on it into container
holding chemical/cleaning
solution. NOTE: For every 7
gallons of water pumped 1 gallon
of chemical/cleaning solution will
be used.
3. Install low pressure (black)
nozzle into quick connect fitting
of spray wand, see How To Use
Spray Wand paragraph in this
section.
4. After use of chemicals,
chemical hose into container
of clean water and draw
clean water through chemical
injection system to rinse
system thoroughly. If chemicals
remain in the pump it could be
damaged. Pumps damaged due
to chemicals will not be covered
under warranty.
NOTE: Chemicals and soaps will not
siphon when spray wand is in the high
pressure setting.
Do
Barb
Fitting
place
11- ENG
A09733
STARTING
Prior to starting, refer to your
engine manual for proper starting
procedure.
1. In a well ventilated outdoor area
add fresh, high quality, unleaded
gasoline with a pump octane
rating of 86 or higher. Do not
overfill. Wipe up spilled fuel before
starting the engine. Refer to
Engine Owners Manual for correct
procedure.
2. Check engine oil level.
Engine Owners Manual for correct
procedure. NOTE: There will
be a slight amount of oil in the
engine from factory testing.
3. Verify
the filter
screen
Filter Screen
is in
water inlet
of pump.
NOTE:
Cone side
faces out.
4. Connect
water source to pump inlet.
NOTE: Water source must provide
a minimum of 5 gallons per minute
at 20 PSI.
5. Connect high pressure hose to
pump outlet.
High
Pressure
Hose
6. If applying a chemical or
cleaning solution, see How
To Apply Chemicals/Cleaning
Solvents instructions in this
section.
7. Turn water source on.
NOTE: Failure to do so could
cause damage to the pump.
See
Water
Source
8. Start engine.
See Engine
Owners Manual for correct
procedure.
NOTE: When engine
rope is pulled, pressure starts
building in the gun. If the engine
does not start after two pulls,
pull the gun trigger to relieve this
pressure.
9. Depress trigger on gun to
start water flow.
NOTE: Stand
on a stable surface and grip
gun/spray wand firmly with both
hands. Expect the gun to kick
when triggered.
NOTE: If using
the "Water
Vroom" surface
cleaning guide,
quickly and
effortlessly guide
it across the flat
surface being
cleaned.
10. Release trigger to stop water
flow.
11. Adjust spray for the task
being
performed by changing quick
connect nozzle. See How To Use
Spray Wand instructions in this
section.
SHUTTING DOWN
1. After each use, if you have
applied chemicals, place chemical
hose into container of clean water
and draw clean water through
chemical injection system to rinse
system thoroughly.
to do so could cause damage to
the pump.
2. Turn engine off.
Owner’s Manual.
turn the water off with the engine
running.
3. Turn water source off.
4. Pull trigger on spray gun to
relieve any water pressure in
hose or spray gun.
5. See Storage section in this manual
for proper storage procedures.
NOTE: Failure
See Engine
NOTE: NEVER
A09733
12- ENG
MAINTENANCE
When performing
maintenance, you
may be exposed to hot surfaces,
water pressure, or moving parts
that can cause serious injury or
death!
Before performing any maintenance
or repair, disconnect spark plug
wire, let engine cool and release
all water pressure. The engine
contains flammable fuel. DO NOT
smoke or work near open flames
while performing maintenance.
To ensure efficient operation and
longer life of your pressure washer,
a routine maintenance schedule
should be prepared and followed.
If the pressure washer is used in
unusual conditions, such as hightemperatures or dusty conditions,
more frequent maintenance checks
will be required.
ENGINE
Consult the Engine Owners
Manual for the manufacturer's
recommendations for any and all
maintenance. NOTE: The frame is
equipped with an oil drain hole to help
make changing the engine oil easier.
PUMP
The oil in the high pressure pump was
designed to last the life of the pump.
If there is a problem with the pump
contact an Authorized Service Center.
NOZZLE CLEANING
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 provided and
backflush with clean water.
5. Direct water supply into spray
wand to backflush loosened
particles for 30 seconds.
6. Reassemble the nozzle to the
wand.
7. Reconnect spray wand to gun
and turn on water supply.
8. Start pressure washer and place
spray wand into high pressure
setting to test.
13- ENG
A09733
HOW TO CLEAN THE WATER
INLET FILTER
This screen filter should be checked
periodically and cleaned if necessary.
1. Remove filter
grasping end and
removing it from
water inlet of pump
as shown.
2. Clean filter by flushing it with
water on both sides.
3. Re-insert filter
of pump. NOTE: Cone side faces
out.
NOTE: Do not operate pressure
washer without filter properly installed.
by
Filter Screen
into water inlet
HOW TO REMOVE THE
WHEELS
1. Using a 1/8" hex
head wrench
loosen set screw
in hub collar.
2. Slide hub collar
from axle and
remove the tire.
A09733
14- ENG
STORAGE
ENGINE
Consult the Engine Owners Manual for
the manufacturer's recommendations
for storage.
PUMP
The manufacturer recommends using
a pump protector/winterizer when
storing the unit for more than 30 days
and/or when freezing temperatures
are expected. If a pump protector/
winterizer is not available, *RV
antifreeze needs to be run through the
pump as outlined in the steps below.
NOTE: Using a pump protector/
winterizer or *RV antifreeze is to
provide proper lubrication to the
internal seals of the pump regardless
of temperature or environment.
1. Obtain a funnel, six ounces
of *RV antifreeze, and 16 - 36
inches of garden hose with a
male hose connector attached to
one end.
Use only RV
antifreeze. Any
other antifreeze is corrosive and
can damage pump.
2. Disconnect spark plug wire.
3. Connect length of garden hose to
water inlet of pump.
4. Add *RV antifreeze to hose as
shown.
5. Pull engine starter rope slowly
several times until antifreeze
comes out of high pressure hose
connection of pump.
6. Remove garden hose from water
inlet of pump.
7. Reconnect spark plug wire.
*Windshield washer fluid may also be
used
PRESSURE WASHER
1. Drain all water from high
pressure hose, coil it, and store
it in cradle of the pressure
washer handle.
2. Drain all water from spray gun
and wand by holding spray
gun in a vertical position with
nozzle end pointing down and
squeezing trigger. Store in gun
holder.
3. Store chemical hose so it is
protected from damage.
4. If space is needed, remove
handles and replace as shown.
15- ENG
A09733
PROBLEM
Engine will
not start (see
Engine Manual
for further
engine
troubleshooting)
No or low
pressure
(initial use)
TROUBLE SHOOTING GUIDE
CAUSE
No fuel.
Pressure builds up after two pulls
on the recoil starter or after initial
use.
Choke lever in the “No Choke”
position.
Spark plug wire not attached. Attach spark plug wire.
Engine On/Off switch in "Off"
position.
Choke 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.
Spray wand not in high pressure. See How to Use Spray Wand
Low water supply.
Leak at high pressure hose fitting.
Nozzle obstructed.
Water filter screen clogged. Remove and clean filter.
CORRECTION
Add Fuel.
Squeeze gun trigger to relieve
pressure.
Move choke to the “Choke”
position.
Place engine On/Off switch in
"On" position.
Move choke to the “No Choke”
position.
instructions in the Operation
Section.
Water supply must be at least 5
GPM @ 20 PSI.
Repair leak. Apply sealant tape
if necessary.
See Nozzle Cleaning instructions
in the Maintenance section.
A09733
Air in hose.
Choke lever in the “Choke” position. Move choke to the “No Choke”
High pressure hose is too long.
16- ENG
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. Re-connect water
source to pump inlet and turn on
water source. Squeeze trigger to
remove remaining air
position.
Use high pressure hose under
100 feet.
PROBLEM
Will not draw
chemicals
CAUSE
Spray wand not in low pressure.
Chemical filter clogged.
Chemical screen not in cleaning
solution.
CORRECTION
See How to Use Spray Wand
paragraph in the Operation
Section.
Clean filter.
Make sure end of chemical hose
is fully submerged into cleaning
solution.
No or low
pressure
(after period
of normal
use)
Water leaking
at gun/
spray wand
connection
Water
leaking at
pump
Oil leaking
at pump
Pump
Pulsates
Chemical too thick.
Pressure hose is too long
Chemical build up in chemical
injector.
Worn seal or packing
Worn or obstructed valves.
Worn unloader piston.
Worn or broken o-ring.
Loose hose connection.
Loose connections.
Piston packings worn.
Worn or broken o-rings.
Pump head or tubes damaged
from freezing.
Oil seals worn. Have replaced by AWSC
Loose drain plug.
Worn drain plug o-ring
Worn fill plug o-ring.
Pump overfilled.
Incorrect oil used.
Vent plug is clogged.
Nozzle obstructed.
Dilute chemical. Chemical should
be the same consistency as water.
Lengthen water supply hose
instead of high pressure hose.
Have parts cleaned or replaced
by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
Check and replace.
Tighten.
Tighten.
Have replaced by AWSC.
Have replaced by AWSC.
Have replaced by AWSC.
Tighten.
Check and replace.
Check and replace.
Check for correct amount.
Drain and fill with correct amount
and type of oil.
Clean vent plug; blow air through
it to remove any blockage. If problem persists, replace plug.
See Nozzle Cleaning paragraph in
the Maintenance section for the
correct procedure.
17- ENG
A09733
WARRANTY
DELTA MACHINERY warrants to the original purchaser that all products covered under this warranty are free
from defects in material and workmanship. Products covered under this warranty include air compressors, air
tools, service parts, pressure washers, and generators, which have the following warranty periods:
3 YEARS - Limited warranty on 2-stage oil-free air compressor pumps that operate at 1725 RPM.
2 YEARS - Limited warranty on oil-lubricated air compressor pumps.
1 YEAR - Limited warranty on all other air compressor components.
2 YEARS - Limited warranty on electric generator alternators.
1 YEAR - Limited warranty on other generator components.
2 YEARS - Limited warranty on pneumatic air tools as described in Delta general catalog.
1 YEAR - Limited warranty on pressure washers used in consumer applications (i.e. personal residential
household usage only).
90 DAY - Pressure washers used for commercial applications (income producing) and service parts.
Delta will repair or replace, at Delta's 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
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 a
Warranty Service Center call 1-866-422-4286, 24 hours a day, 7 days a week.
• 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 Delta 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
arrangements.
• If the purchaser does not receive satisfactory results from the
the purchaser should contact Delta.
THIS WARRANTY DOES NOT COVER:
• Merchandise sold as reconditioned, used as rental equipment, and 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
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
unuseable 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
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.
Delta Authorized Warranty Service Center. For the location of the nearest Delta Authorized
Delta Authorized Warranty Service Center that provides on-site service calls, for service call
Delta which has been manufactured by and identified as the product of another
Delta Machinery with regard to this limited
Delta Authorized Warranty Service Center,
Delta, or unauthorized
A09733
Jackson, TN USA
1-866-422-4286
18- ENG
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