SIMPSON PS4240 Professional Pressure Washer Instruction Manual

SIMPSON PS4240 Professional Pressure Washer

Pay attention to these symbols.
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.

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.

•  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 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.

If you have any questions regarding the product, please contact our customer service department at www.simpsoncleaning.com

DANGER

Risk of injection or severe injury
Keep clear of nozzle. Do not direct discharge stream at persons or live animals. This product is to be used only by trained operators.

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 Always wear appropriate personal hearing and other protection during use. Under some conditions and duration of use, noise from this product may contribute to hearing loss.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 ordinance.

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.
• 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, vinyl or the pressure hose, itself), 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.

HOW TO PREVENT IT

• 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 1/2″ (12.7 mm) below bottom of filler neck to allow for expansion.
• Operate and fuel equipment in well-ventilated areas free from obstructions.
• Equip areas with fire extinguisher suitable for gasoline fires.
• Never operate pressure washer in an area containing dry brush or weeds.
• 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.
• Store fuel in an OSHA approved container, in a secure location away from work area.
• Do not spray flammable liquids.

RISK TO BREATHING ASPHYXIATION

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.

HOW TO PREVENT IT

• 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.
• Use only cleaning fluids specifically recommended for high pressure washers.
• Follow manufacturers recommendations.
• Do not use chlorine bleach or any other corrosive compound.

RISK OF FLUID INJECTION AND LACERATION

WHAT CAN HAPPEN
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.

HOW TO PREVENT IT

• 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.
• 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.
• 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.

RISK OF INJURY FROM SPRAY

WHAT CAN HAPPEN
High velocity fluid spray can cause objects to break, projecting particles at high speed. Light or unsecured objects can become hazardous projectiles.

HOW TO PREVENT IT

• 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.
• 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
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.

HOW TO PREVENT IT

• 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 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.

DANGER: 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.  Oil could fill the cylinder and damage the engine if the unit is not stored or transported in an upright position.

HOW TO PREVENT IT
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
Spray directed at electrical outlets or switches, or objects connected to an electrical circuit, could result in a fatal electrical shock.

HOW TO PREVENT IT
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
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.

HOW TO PREVENT IT
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 HAPPE
Over inflation of tires could result in serious injury and property damage.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.

HOW TO PREVENT IT
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.On pressure washers rated above 1600  PSI (11032  kPa) use the widest fan spray (40º nozzle) and keep the spray a minimum of 8 (20 cm) from the pneumatic tire sidewall. Do not aim spray directly at the joint between the tire and rim.

WARNING: RISK OF HOT SURFACES

WHAT CAN HAPPEN
Contact with hot surfaces, such as engine exhaust components, could result in serious burn.

HOW TO PREVENT IT
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
Serious injury can result from attempting to lift too heavy an object.

HOW TO PREVENT IT
The pressure washer is too heavy to be lifted by one person. Obtain assistance from others before lifting.7

QUICK SETUP GUIDE

Install the A Handle

Slide the handle assembly onto the frame. (if equipped) Align holes in the top handle with the mounting holes in the handle assembly. Secure with saddle bolts and knobs.

Add/Check Oil The engine

The engine is shipped without oil. Before starting engine, add the oil provided. Check oil level prior to each use.

Add Gasoline  In a well

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 Owner’s Manual for complete procedure.

IMPORTANT
Ethanol ShieldTM 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.

Connect Garden Hose to Pump

Thread the garden hose to the pump inlet.

Connect High Pressure Hose to Pump

Connect the high pressure hose to the pump outlet.

Connect High Pressure Hose to Spray Gun

Thread the other end of the high pressure hose to the spray gun.

Connect Spray Wand to Spray Gun

Thread the spray wand into the end of the spray gun.

Connect 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.

Turn Water Faucet Completely On

Do not run the unit without water supply connected and turned on. Use Cold Water Only.

Release 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.

GET TO KNOW THE PRESSURE WASHER

Compare the illustrations with your unit to familiarize yourself with the location of various controls and adjustments.

BASIC ELEMENTS OF A PRESSURE WASHER

• A. High Pressure Pump: Increases the pressure of the water supply.
• B. Engine: Drives the high pressure pump.
• C. High Pressure Hose: Carries the pressurized water from the pump to the gun and spray wand.
• D. Spray Gun: Connects with spray wand to control water flow rate, direction and pressure.
• E. Quick-Connect Spray Wand: Allows the user to quickly change out high pressure nozzles.
• F. Detergent Siphon Hose: Feeds cleaning agents into the pump to mix with the water.
• G. Handle
• H. Frame
• I. Pump Outlet
• J. Pump Inlet
• K. Quick Connect Nozzles
• L. Nozzle Holder

BASIC ELEMENTS OF AN ENGINE

Starter Grip: Pulling starter grip operates recoil starter to crank engine. Engine Switch: Enables and disables ignition system.

ASSEMBLY INSTRUCTIONS

1. Locate and remove all loose parts from the carton.
2. Cut four corners of the carton from top to bottom and lay the panels flat.
3. Slide the handle assembly (G) onto the frame (H)and secure with saddle bolts and knobs.
4. Align holes in the top handle (S) with the mounting holes in the handle assembly (G).
5. Insert saddle bolts (DD) through aligned holes and secure top handle to handle assembly with knobs (EE).
6. Tighten until snug.

Risk of personal injury
Avoid placing hands between handle and frame when assembling to prevent pinching.

Remove the colored quick connect nozzles (K) from the plastic bag and insert them into correct grommet on the nozzle holder (L). Nozzles are color coded to match colored nozzles on label.

Connect wand (E) to gun (D). Tighten securely.

Attach high pressure hose (C) to gun (D). Tighten securely.

NOTICE
The engine is shipped without oil. Before starting engine, add the oil provided. Damage to the engine will occur if the engine is run without oil, this damage will not be covered under warranty. The high-pressure pump was filled with oil at the factory. Always check oil level before using (refer to Maintenance for more information).

OPERATION

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.* Rated Pressure and Rated Water Flow is within manufacturing tolerance of (+/- 10%).

Bypass Mode
Allows water to re-circulate within the pump when the gun trigger is not pulled. This feature allows the operator to release the trigger gun and reposition themselves without having to turn the engine off in between cleaning actions.

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.

Thermal Relief Valve

When the temperature inside the pump rises too high, this valve will open and release a gush of water in an effort to lower the temperature inside the pump. The valve will then close. Thermal relief valve location will vary depending on the pump type.

Detergent 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. If your water source is a well, the garden hose length can only be 30 ft. (9 m) max.

WARNING
To reduce the possibility of contamination always protect against backflow when connected to a potable water system.

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 40˚ nozzle white. This nozzle delivers a less powerful stream of water and a wider spray pattern.
3. If equipped) This pressure washer’s high pressure pump is equipped with an additional 6 feature that allows the pressure setting to be adjusted.
4. To lower the pressure, turn the pressure con- + – trol knob on the pump counterclockwise to the desired pressure.
5. To return the pump pressure to the factory setting, turn the pressure control knob on the pump clockwise until it stops.
6. 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.

DIAL-N-WASH ADJUSTMENT IF EQUIPPED

1. Choose the correct high pressure nozzle 0˚, 15˚ or 40˚ for the job to be performed.
2. The Dial-N-Wash is shipped in the MAX pressure setting, the MAX pressure bar is aligned with the arrow (R) on the collar.
3. Rotating the Dial-N-Wash Q counterclockwise until it stops places it in the MIN pressure setting, the arrow (R) will align with the MIN pressure bar.

Adjust the pressure by rotating the Dial-N-Wash (Q) clockwise for higher pressure or counterclockwise for lower pressure, aligning the arrow with the desired pressure bar on the Dial-N-Wash.

NOTE
To apply chemicals the black low pressure nozzle must be installed and the Dial-N-Wash must be in the MAX pressure setting.

HOW TO USE SPRAY WAND

The nozzles for the spray wand are stored in the nozzle holder on the panel assembly. 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.

CHANGING NOZZLES ON SPRAY WAND

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 (E) back and insert nozzle (K).
2. Release quick-connect coupler and twist nozzle to make sure it is secure in coupler.
3. 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.

__

__

Red

| 0˚| powerful pinpoint for spot cleaning of hard, unpainted surfaces or for

high reach areas

| unpainted metal or concrete;

DO NOT use on wood

__

Yellow

| 15˚| intense cleaning of unpainted hard surfaces| grills, driveways, concrete or brick walkways, unpainted brick or stucco
__

Green

| 25˚| standard cleaning nozzle for most applications| yard tools, sidewalks, lawn furniture, unpainted siding, stucco, gutters and eaves, concrete, brick surfaces
__

White

| 40˚| cleaning of painted or delicate surfaces| auto/RV, marine, wood, painted brick and stucco, vinyl, painted siding
__

__

Black

| low pressure| applies cleaning solutions| Low pressure spray is safe on all surfaces. Always verify compatibility of cleaning solution

prior to use.

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, 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.

HOW TO APPLY CHEMICALS/CLEANING SOLVENTS

Applying chemicals or cleaning solvents is a low pressure operation. Use only soaps and chemicals designed for pressure washer use. Do not use bleach.

To Apply Chemicals

Ensure detergent siphon hose to barbed fitting location near high pressure hose connection of pump. The barbed fitting location will vary depending on the pump type.

Place other end of detergent siphon 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. Install low pressure (black) nozzle into quick connect fitting of spray wand. After use of chemicals, place detergent siphon 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 chemical residue will not be covered under warranty. Chemicals and soaps will not siphon if the black soap nozzle is not installed on the spray wand.

STARTING

To reduce the risk of injury, read the pressure washer instruction manual and the engine instruction manual before starting pressure washer. 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. 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.
• 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 Burn.
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: Risk of property damage. 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. 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 contact our customer service department at www.simpsoncleaning.com . 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 Owner’s Manual for correct procedure.

IMPORTANT
Ethanol ShieldTM (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.
• Check engine oil level.
• Check pump oil level.
• The oil level should come to the dot in the middle of the sight glass.
• 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.
• Verify the filter screen (M) is in water inlet of pump.
•  Convex side faces out.
• Connect water source (N) to pump inlet (J).
• Water source must provide a minimum of 5 gallons per minute at 20 PSI.
• Connect high pressure hose (C) to pump outlet (I).

To reduce the possibility of contamination always protect against backflow when connected to a potable water system.

•  Choose the correct nozzle for the job to be performed.
• If applying a chemical or cleaning solution.
• Turn water source on.

Risk of property damage
Failure to do so could cause damage to the pump. Remove all air from the pump and high pressure hose by depressing trigger until a steady stream of water is present.
Start engine.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. 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. 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.
Risk of unsafe operation. Stand on a stable surface and grip gun/spray wand firmly with both hands. Expect the gun to kick when triggered.

•  Release trigger to stop water flow.
• Risk of injury from spray. Always engage the trigger lock (O) when gun is not in use.
• Failure to do so could cause accidental spraying.

SHUTTING DOWN

After each use, if you have applied chemicals, place detergent siphon hose into container of clean water and draw clean water through chemical injection system to rinse system thoroughly. Risk of property damage. Failure to do so could cause damage to the pump.Turn engine off.   Risk of property damage. NEVER turn the water off with the engine running. Turn water source off. Pull trigger on spray gun to relieve any water pressure in hose or spray gun. Failure to release system pressure will prevent removal of high pressure hose from spray gun or pump connection.

MAINTENANCE

When performing maintenance, you may be exposed to hot surfaces, water pressure or moving parts that can cause serious injury or death. 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. 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 Owner’s Manual for the manufacturer’s recommendations for any and all maintenance. NOTE: The engine drain plug is located at the rear of the unit.

PUMP

The Pump was filled with oil at the factory. The preferred oil is SIMPSON® Premium Pump Crankcase Oil. If this oil is not available, an SAE 15W-40 oil may be used. Change the pump oil after the first 50 hours of operation and every 100 hours thereafter, or every 3 months.

TO CHECK OIL

The oil level should come to the dot in the middle of the sight glass (AA).

HOW TO CHANGE PUMP OIL

1. Loosen pump oil fill plug BB.
2. Place a container under the pump oil drain plug CC.
3. Remove pump oil drain plug.
4. After oil is drained, replace pump oil drain plug.
5. Tighten securely.
6. For AAATM pumps, refill using SIMPSON Premium Pump Crankcase Oil.
7. If this oil is not available, an SAE 15W-40 oil may be used.
8. For CAT Pumps refill using a non-detergent hydraulic oil ISO 68.
9. Replace pump oil fill plug and tighten securely.
10. If there is a problem with the pump contact us at www.simpsoncleaning.com
11. CAT PUMPS is a registered trademark of Diversified Dynamics Corporation.

CONNECTIONS

Connections on pressure washer hoses, gun and spray wand should be cleaned regularly and lubricated with light oil or lithium grease to prevent leakage and damage to the o-rings.

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 (K) from the spray wand. Remove any obstructions with the nozzle cleaning tool provided and backflush with clean water.
5. Direct water supply (N) into nozzle 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.

CLEAN THE WATER INLET FILTER

This screen filter should be checked periodically and cleaned if necessary.

1. Remove filter by grasping end and removing it from water inlet of pump.
2. Clean filter by flushing it with water on both sides.
3. Re insert filter into water inlet of pump.
4. Convex side faces out.
5. Do not operate the pressure washer without filter properly installed.

STORAGE

ENGINE

Consult the Engine Owner’s Manual for manufacturer’s recommendations for storage.

TO PREVENT FUEL RELATED PROBLEMS

1. Add Ethanol ShieldTM 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.
2. If you keep a container of gasoline for refueling, be sure that it contains only fresh gasoline.
3. 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.
4. Turn the fuel valve to the OFF position.
5. 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 SIMPSON / POWERWASHER Pump Guard or equivalent when storing the unit for more than 30 days and/or when freezing temperatures are expected. SIMPSON  / POWERWASHER Pump Guard is environmentally friendly. Using pump guard helps provide proper lubrication to the internal seals of the pump regardless of temperature or environment. Risk of property damage. Use only SIMPSON / POWERWASHER Pump Guard or equivalent. Other products could be corrosive and/or contain alco-hol which may cause pump damage. Turn off pressure washer and disconnect hoses from pump. Unscrew bottle valve from Pump Guard bottle and remove seal. Screw bottle valve back onto bottle. Attach bottle to water inlet of pump. Squeeze bottle to inject contents into pump. With ignition switch off, simultaneously pull starter rope and squeeze bottle. Repeat until protector fluid exits pump outlet. This step may require two people.

ACCESSORIES

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.
NOTICE
The use of any other accessory not recommended for use with this tool could be hazardous. Use only accessories rated equal to or greater than the rating of the pressure washer.

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 defec-tive 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 SIMPSON pressure washer, report the concern to 1-877-362-4271 or cservice @fna-group.com 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.

WARRANTY DOES NOT APPLY TO FAILURES DUE TO

• 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.
• Normal wear of moving parts or components affected by moving parts.

ENGINE AND EMISSIONS CONTROL SYSTEM
Covered by engine manufacturer warranty HIGH PRESSURE PUMP (DEFECTS IN MATERIAL AND WORKMANSHIP) AAATM – Five (5) years from date of purchase CAT PumpsTwo (2) years from date of purchase FRAME (DEFECTS IN MATERIAL AND WORKMANSHIP) Ten (10) years from date of purchase.

TROUBLE SHOOTING GUIDE

Engine will not start

further engine troubleshooting

| No fuel| Add fresh fuel
Pressure builds up after two pulls on the recoil starter or after initial use| Squeeze gun trigger to relieve pressure
Choke lever in the No Choke position| Move choke to the Choke position
Spark plug wire not attached| Attach spark plug wire

Spray Wand
Low water supply| Water supply must be at least 5 gpm @ 20 PSI
Leak at high pressure hose fitting| Repair leak. Apply sealant tape if necessary
Nozzle obstructed| See Nozzle Cleaning instructions in the Maintenance section
Water filter screen clogged| Remove and clean filter.  Cleaning Water Inlet Filter
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. Re connect water source to pump inlet and turn on water source. Squeeze trigger to remove remaining air
Choke in the Choke position| Move choke to the “No Choke” position
High pressure hose is too long| Use high pressure hose under 100 feet (30 m)
Will not draw chemicals| Spray wand not in low pressure| How to Use Spray Wand
Chemical filter clogged| Clean filter
Chemical screen not in cleaning solution| Make sure end of detergent siphon hose is fully submerged into cleaning solution
Chemical too thick| Dilute chemical. Chemical should be the same consistency as water
Pressure hose is too long| Lengthen water supply hose instead of high pressure hose
Chemical build up in chemical injector| Please contact our customer service department at www.simpsoncleaning.com

contact our customer service department at www.simpsoncleaning.com
Worn or obstructed valves| Please contact our customer service department at www.simpsoncleaning.com
Worn unloader piston| Please contact our customer service department at www.simpsoncleaning.com
Water leaking at gun/spray wand connection| Worn or torn o-ring| Check and replace
Loose hose connection| Tighten
Water leaking at pump| Loose connections| Tighten
Piston packings worn| Please contact our customer service department at www.simpsoncleaning.com
Worn or torn o-ring| Please contact our customer service department at www.simpsoncleaning.com
Pump head or tubes damaged from freezing| Please contact our customer service department at www.simpsoncleaning.com
Pump pulsates| Nozzle obstructed| Nozzle Cleaning

for the correct procedure

Oil leaking at pump| Oil seals worn| Please contact our customer service department at www.simpsoncleaning.com
Loose drain plug| Tighten
Worn drain plug o-ring| Check and replace
Worn fill plug o-ring| Check and replace
Pump overfilled| Check for correct amount
Incorrect oil used| Drain and fill with correct amount and type of oil
Vent plug is clogged| Clean vent plug; blow air through it to remove any blockage. If problem persists, replace plug
Air filter filled with oil| Clean and/or replace filter element to Engine

References

• Group Publishing
• P65Warnings.ca.gov
• Pressure Washer Company & Manufacturer |Simpson

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>