SIMPSON 1350411 Professional Pressure Washer Instruction Manual

PROFESSIONAL PRESSURE WASHERINSTRUCTIONMANUAL

DO NOT USE FUEL CONTAINING GREATER THAN 10% ETHANOL!

NOTE: Photographs and line drawings used in this manual are for reference only and do not represent a specific model.

If your pressure washer is not working properly or if there are parts missing or broken, please DO NOT RETURN IT TO THE PLACE OF PURCHASE. Contact our Customer Service Department at 1-877-362-4271 or www.simpsoncleaning.com

IMPORTANT: Please make certain that the person who is to use this equipment carefully reads and understands these instructions before operating.

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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.

 DANGER: Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury.WARNING: Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury.CAUTION: Indicates a potentially hazardous situation that, 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. Read and follow all directions for CO alarm before using. If you feel sick, dizzy, or weak at any time, move to fresh air immediately. See a doctor. You could have carbon monoxide poisoning.

WARNING: Do not operate this unit until you read this instruction manual and the engine instruction manual for safety, operation, and maintenance instructions. 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 the 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.WARNING: 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.

WARNING: This product may not be equipped with a spark-arresting muffler.If the product is not equipped and will be used around flammable materials or on land covered with materials such as agricultural crops, forests, bushes, 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.

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DANGER: RISK OF EXPLOSION OR FIRE 

WHAT CAN HAPPEN HOW TO PREVENT IT
• Spilled gasoline and its vapors can become ignited from cigarette sparks, electrical arcing, exhaust gases, and hot engine components such as the muffler • Shut off engine and allow it to cool before adding fuel to the tank

• Use care in filling the tank to avoid spilling fuel. Move pressure washer away from the fueling area before starting the engine.
•Heat will expand fuel in the tank which could result in spillage and possible fire explosion. • Keep maximum fuel level 1/2″ (127 mm) below the bottom of filler neck to allow for expansion.
•Operating the pressure washer in an explosive environment could result in a fire. • Operate and fuel equipment in well-ventilated areas free from obstructions. Equip areas with fire extinguishers suitable for gasoline fires.
•Materials placed against or near the pressure washer can interfere with its proper ventilation features causing overheating and possible ignition of the materials. • Never operate pressure washer in an area containing dry brush or weeds.
•Muffler exhaust heat can damage painted surfaces, melt any material sensitive to heat (such as siding, plastic, rubber, vinyl or the pressure hose, itseI0, and damage live plants. •Always keep pressure washer a minimum of 4* (1.2 m) away from surfaces (such as houses, automobiles or live plants) that could be damaged from muffler exhaust heat
•Improperly stored fuel could lead to accidental ignition. Fuel improperly secured could get into the hands of children or other unqualified persons. • Store fuel in an OSHA approved container,in a secure location away from the work area.
• Use of acids,   toxic or corrosivechemicals, poisons, insecticides, or any kind of flammable salient with this product could result in serious iniutv or death. • Do not spray flammable liquids.

DANGER: RISK TO BREATHING (ASPHYXIATION)

WHAT CAN HAPPEN HOW TO PREVENT IT
• Breathing exhaust fumes will cause serious injury or death! Engine exhaust contains carbon monoxide, an odorless and deadly gas. • Operate pressure washer in a well-ventilated area avoid enclosed areas.  such as garages, basements, etc.•Never operate the unit in or near a locationoccupied by humans or animals
• Some cleaning fluids contain substances that could cause injury to the skin, eyes, or lungs. • Use only cleaning fluids specifically recommended for high-pressure washers. Follow manufacturer’s recommendations. Do not use chlorine bleach or any other corrosive compound.

DANGER: RISK OF FLUID INJECTION AND LACERATION

WHAT CAN HAPPEN HOW TO PREVENT IT
• Your pressure washer operates at fluid pressures and velocities high enough to penetrate human and animal flesh which could result in amputation or another serious injury. Leaks caused by loose fittings or worn or damaged hoses can result in injection injuries. DO NOT TREAT FLUID INJECTION AS A SIMPLE CUT! See a physician immediately! • Inspect the high-pressure hose regularly. Replace the hose immediately if it is damaged, worn, has melted from contacting the engine, or shows any signsof cracks, bubbles, pinholes, or another 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 WILLpenetrate skin.• Never place hands in front of the 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 the hose to contact the muffler.• Never attach or remove wand or hosefittings while the 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 asmeasured from the nozzle end of the lance to the gun trigger
• Injuries can result if system pressure is not reduced before attempting maintenance or disassembly. • To relieve the system pressure, shut off engine, t rn off the water supply, and pull a gun trigger until water stops flowing.• Use only accessories rated equal to or higher than the rating of the pressure washer.

DANGER: RISK OF INJURY FROM SPRAY

WHAT CAN HAPPEN HOW TO PREVENT IT
• High-velocity fluid spray can cause objects to break, projecting particles at high speed. • Always wear ANSI-approved Z87.1safety glasses. Wear protective clothingto protect against accidental spraying.• Never point the wand at or spray peopleor animals.
• Light or unsecured objects become hazardous projectiles. • Always secure trigger lock when the wand is not in service to prevent accidental operation.• Never permanently secure trigger in a pullback(open) position.

DANGER: RISK OF UNSAFE OPERATION

WHAT CAN HAPPEN HOW TO PREVENT IT
• Unsafe operation of your pressure washer could lead to serious injury or death to you or others. • Do not use chlorine bleach or any othercorrosive compound.• Become familiar with the operation andcontrols of the pressure washer.• Keep operating area clear of all persons,pets, and obstacles.• Do not operate the product when fatiguedor under the influence of alcohol or drugs.Stay alert at all times.• Never compromise the safety features ofthis product.• Do not operate the machine with missing,broken or unauthorized parts.• Never leave wand unattended while the unitis running
• If proper starting procedure is not followed, the engine can kick back causing serious hand and arm injury. • If the engine does not start after two pulls,squeeze the trigger of the gun to relieve pumppressure. Pull the starter cord slowly untilresistance is felt. Then pull the cord rapidlyto avoid kickback and prevent hand orarm injury.
• The spray gun/wand is a powerful cleaning tool that could look like a toy to a child. • Keep children away from the pressure washer at all times.
• Reactive force of spray will cause gun/wand to kick back and could cause the operator to slip or fall or misdirect the spray. Improper control of guns/wand can result in injuries to self and others. • Do not overreach or stand on an unstablesupport.• Do not use a pressure washer whilestanding on a ladder.• Grip gun/wand firmly with bothhands. Expect the gun to kickbackwhen triggered.

DANGER: RISK OF INJURY OR PROPERTY DAMAGE WHEN TRANSPORTING OR STORING

WHAT CAN HAPPEN HOW TO PREVENT IT
• Fuel or oil can leak or spill and could result in fire or breathing hazards. Serious injury or death can result. Fuel or oil leaks will damage carpet, paint, or other surfaces in vehicles or trailers.• Oil could fill the cylinder and damage the engine if the unit is not stored or transported in an upright position. • If a pressure washer is equipped witha fuel shut-off valve, turn the valve tothe OFF position before transporting to avoid fuel leaks. If a pressure washer is not equipped with a fuel shut-off valve, drain the fuel from the tank before transporting it. Only transport fuel in an OSHA-approvedcontainer.• Always place pressure washer ona protective mat when transportingto protect against damage to the vehicle from leaks.• Always transport and store the unit in an upright position. Remove pressure washer from the vehicle immediately upon arrival at your destination.

DANGER: RISK OF ELECTRICAL SHOCK

WHAT CAN HAPPEN HOW TO PREVENT IT
• Spray directed at electrical outlets or switches, or objects connected to an electrical circuit, could result in a fatal electrical shock. • Unplug any electrically operated productbefore attempting to clean it. Direct sprayaway from electric outlets and switches.

DANGER: RISK OF CHEMICAL BURN

WHAT CAN HAPPEN HOW TO PREVENT IT
• Use of acids, toxic or corrosive chemicals, poisons, insecticides, or any kind of flammable solvent with this product could result in serious injury or death. • Do not spray acids, gasoline, kerosene,or any other flammable materials with thisproduct. Use only household detergents,cleaners and degreasers recommendedfor use with pressure washers.• Wear protective clothing to protecteyes and skin from contact withsprayed materials.

WARNING: RISK OF BURSTING

WHAT CAN HAPPEN HOW TO PREVENT IT
• Over inflation of tires could result in in serious injury and property damage. • Use a tire pressure gauge to check thetires pressure before each use and whileinflating tires; see the tire sidewall for thecorrect tire pressure. NOTE: Air tanks, compressors and similarequipment used to inflate tires can fill smalltires similar to these very rapidly. Adjustpressure regulator on air supply to no morethan the rating of the tire pressure. Add airin small increments and frequently use thetire gauge to prevent overinflation.
• High-velocity fluid spray directed atpneumatic tire sidewalls (such asfound on automobiles, trailers andthe like) could damage the sidewallresulting in serious injury. • On pressure washers rated above1600  PSI (11032  kPa) use the widestfan spray (40º nozzle) and keep thespray a minimum of 8″ (20 cm) from thepneumatic tire sidewall. Do not aim the spraydirectly at the joint between the tire andrim.

WARNING: RISK OF HOT SURFACES

WHAT CAN HAPPEN HOW TO PREVENT IT
• Contact with hot surfaces, such as engine exhaust components, could result in a serious burn. • During operation, touch only the control surfaces of the pressure washer. Keep children away from the pressure washer at all times. They may not be able to recognize the hazards of this product.

WARNING: RISK OF INJURY FROM LIFTING

WHAT CAN HAPPEN HOW TO PREVENT IT
• Serious injury can result in from attempting to lift too heavy an object. • The pressure washer is too heavy to belifted by one person. Obtain assistancefrom others before lifting.

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QUICK SETUP GUIDE

WARNING: To reduce the risk of injury, read the pressure washer instruction manual and the engine instruction manual before operating the pressure washer.

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

BAdd/Check OilThe engine is shipped without oil. Before starting the engine, add the oil provided. Check oil level prior to each use. Refer to Engine Owner’s Manual for complete procedure.

Add Gasoline In a wellventilated outdoor area adds 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 Shield TM (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.

QUICKSTART GUIDE

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. A serious injury will occur.

Connect Garden Hose to PumpThread the garden hose to the pump inlet.

Connect HighPressure Hose to PumpConnect the high-pressure hose to the pump outlet.

Connect High-Pressure Hose to Spray GunThread the other end of the high-pressure hose to the spray gun.

Connect Spray Wand to Spray GunThread the spray wand into the end of the spray gun.

Connect QC Nozzles to SprayWandPull quick connect coupler back and insert a nozzle. Release quick connect coupler and twist nozzle to make sure it is secure in the coupler.

Turn Water Faucet Completely OnDo not run the unit without the water supply connected and turned on. Use Cold Water Only.

Release Air from SystemRelease all air from the pump and high-pressure hose by depressing the trigger until a steady stream of water is present. Approximately 30 seconds.

Start engine. See Engine Owner’s Manual for correct procedure.

WARNING: This Guide is not a substitute for reading the operator’s manual.Users must read and understand the operator’s manual before using this product.

GET TO KNOW THE PRESSURE WASHER

NOTE: Photographs and line drawings used in this manual are for reference only and do not represent a specific model.Compare the illustrations with your unit to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference.

BASIC ELEMENTS OF A PRESSURE WASHER (FIG. 1)A. High-Pressure Pump: Increases the pressure of the water supply.B. Engine: Drives the high-pressure pump. Refer to the Engine Owner’s Manual for location and operation of engine controls.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: This allows the user to quickly change out high-pressure nozzles. See How To Use Spray Wand instructions in the Operation section.F. Detergent Siphon Hose (not shown): Feeds cleaning agents into the pump to mix with the water. See How To Apply Chemicals/Cleaning Solvents instructions in the Operation section.G. HandleH. FrameI. Pump OutletJ. Pump InletK. Quick Connect NozzlesL. Nozzle Holder

BASIC ELEMENTS OF AN ENGINERefer to the Engine Owner’s Manual for location and operation of engine controls.Choke Control: Opens and closes carburetor choke valve.Starter Grip: Pulling starter grip operates recoil starter to crank the engine.Engine Switch: Enables and disables ignition system.

ASSEMBLY INSTRUCTIONS (FIG. 2–4)

  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.  (Figure 2) Slide the handle assembly (G) onto the frame (H)and secure it with saddle bolts and knobs. OR
  4. (Figure 2A) Align holes in the top handle (S) with the mounting holes in the handle assembly (G). Insert saddle bolts (DD) through aligned holes and secure top handle to handle assembly with knobs (EE). Tighten until snug.NOTICE: Risk of personal injury. Avoid placing hands between handle and frame when assembling to prevent pinching.
  5. Remove the colored quick-connect nozzles (K) from the plastic bag and insert them into the correct grommet on the nozzle holder (L). Nozzles are color-coded to match colored nozzles on the label.
  6.  Connect wand (E) to the gun (D). Tighten securely.
  7. Attach high-pressure hose (C) to the gun (D). Tighten securely.NOTICE: The engine is shipped without oil. Before starting the 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.NOTICE: The high-pressure pump was filled with oil at the factory. Always check the 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 usedfor air pressure, hydraulic pressure, etc.PSI*: Pounds per Square Inch. The unit of measure for water pressure. Also usedfor 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 isnot pulled. This feature allows the operator to release the trigger gun and repositionthemselves 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 (P, Fig. 5): 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. NOTE: Thermal relief valve location will varydepending on the pump type. Detergent Injection System: Mixes cleaners or cleaning solventswith 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 FEATURESPRESSURE ADJUSTMENTS (FIG. 6)The pressure setting is preset at the factory to achieve optimum pressure and cleaning. If you need to lower the pressure, it can be comprised 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. Refer to How To Use Spray Wand.
  3.  (if equipped) This pressure washer’s high-pressure pump is equipped with an additional feature that allows the pressure setting to be adjusted.To lower the pressure, turn the pressure control knob on the pump counterclockwise to the desired pressure.To return the pump pressure to the factory setting, turn the pressure control knob on the pump clockwise until it stops.NOTICE: DO NOT overtighten the pressure control knob, if overtightened the knobCOULD break and result in immediate loss of water pressure and costly repairs to the unit.

DIAL-N-WASH ADJUSTMENT (FIG. 7, 8) (IF EQUIPPED)

  1. Choose the correct high-pressure nozzle (0˚, 15˚ or 40˚) for the job to be performed. Refer to How To Use Spray Wand.
  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 as shown in Figure 7.

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 as shown in Figure 8.

Adjust the pressure by rotating theDial-N-Wash (Q) clockwise higher pressure orcounterclockwise 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 WANDThe 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 (FIG. 9)

DANGER: Risk of fluid injection. Do not direct discharge stream toward persons, unprotected skin, eyes or any pets or animals. A serious injury will occur.WARNING: Flying objects could cause a risk of serious injury. Do not attempt to change nozzles while the pressure washer is running. Turn the 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 the coupler.

WARNING: Flying objects could cause a risk of serious injury. Ensure nozzle is completely inserted in the quick-connect socket and quick-connect collar is fully engaged (forward) before squeezing gun trigger.

NOZZLE COLOR SPRAY PATTERN USES SURFACES**
Red  

 powerful pinpoint forspot cleaning of hard, unpainted surfaces or for high reach areas unpainted metal or concrete;DO NOT use on wood
Yellow intense cleaning of unpainted hard surfaces grills, driveways, concrete or brick walkways, unpainted brick or stucco
Green standard cleaning  nozzle for most applications yard tools, sidewalks, lawn furniture, unpainted siding, stucco, gutters and eaves, concrete, brick surfaces
White

 

 cleaning of

painted or

delicate surfaces

ad

 auto/RV, marine, wood, painted brick and stucco, vinyl, painted siding
Black applies cleaning solutions The low-pressure spray is safe on all surfaces.

Always verify the compatibility of the 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 (FIG. 10)Applying chemicals or cleaning solvents is a low-pressure operation. NOTE: Use only soaps and chemicals designed for pressure washer use. Do not use bleach.

To Apply Chemicals:

  1. Ensure a detergent siphon hose (F, Figure 10) is attached to a barbed fitting location near the high-pressure hose connection of the pump as shown. NOTE: The barbed fitting location will vary depending on the pump type.
  2. Place another end of the detergent siphon hose with a filter on it into a container holding a 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 the use of chemicals, place a detergent siphon hose into a container of clean water and draw clean water through a chemical injection system to rinse the system thoroughly. If chemicals remain in the pump, it could be damaged. Pumps damaged due to chemical residue will not be covered under warranty.

NOTE: Chemicals and soaps will not siphon if the black soap nozzle is not installed on the spray wand.

STARTING (FIG. 11–14)WARNING: To reduce the risk of injury, read the pressure washer instruction manual and the engine instruction manual before starting the pressure washer.DANGER: Risk of fluid injection and laceration. When using the high-pressure setting, DO NOT allow the high-pressure spray to come in contact with unprotected skin, eyes, or with any pets or animals. A 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 another serious injury. Leaks caused by loose fittings or worn or damaged hoses can result in injection injuries. DO NOT TREAT FLUID INJECTION AS A SIMPLE CUT! See a physician immediately!DANGER: Carbon Monoxide. Using an engine indoors can kill you in minutes. Engine exhaust contains high levels of carbon monoxide (CO), a poisonous gas you cannot see or smell. You may be breathing CO even if you do not smell engine exhaust.
  •  Breathing exhaust fumes will cause serious injury or death! Engine exhaust contains carbon monoxide, an odorless and deadly gas.
  • Operate pressure washer in a well-ventilated area. Avoid enclosed areas such as garages, basements, etc.
  • Never operate a unit in or near a location occupied by humans or animals.

WARNING: Risk of Fire, Asphyxiation, and Burn. Never fill the fuel tank when the engine is running or hot. Do not smoke when filling the fuel tank.

  • Never fill the fuel tank completely. Fill tank to 1/2″ (12.7  mm) below the bottom of filler neck to provide space for fuel expansion. Wipe any fuel spillage from the engine and equipment before starting the engine.
  • DO NOT let hoses come in contact with a 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 the water supply hose to move the pressure washer. This could damage the hose and/or pump inlet.
  •  DO NOT use hot water, use cold water only.
  • Never turn the water supply off while the pressure washer engine is running or damage to the pump will result.
  •  DO NOT stop spraying water for more than two minutes at a time. The pump operates in bypass mode when the spray gun trigger is not pressed. If the 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.comPrior 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 Owner’s Manual for correct procedure.IMPORTANT: Ethanol Shield TM (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: The use of fuels with greater than 10% ethanol are not approved for use in this product per EPA regulations and will damage the unit and void the warranty.
  2. Check engine oil level. Refer to Engine Owner’s Manual for correct procedure.
  3. Check pump oil level. The oil level should come to the dot in the middle of the sight glass. Refer to the Pump paragraph under Maintenance.
  4.  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.
  5. Verify the filter screen (M) is in the water inlet of the pump. NOTE: Convex side faces out.
  6. Connect water source (N) to pump inlet (J). NOTE: Water source must provide a minimum of 5 gallons per minute at 20 PSI.
  7.  Connect high-pressure hose (C) to pump outlet (I).WARNING: To reduce the possibility of contamination always protect against backflow when connected to a potable water system.
  8. Choose the correct nozzle for the job to be performed. See How To Use spray Wand instructions in this section. NOTE: If applying a chemical or cleaning solution, see How To Apply Chemicals/Cleaning Solvents instructions in this section.
  9. Turn water source on.NOTICE: Risk of property damage. Failure to do so could cause damage to the pump.
  10.  Remove all air from the pump and high-pressure hose by depressing the trigger until a steady stream of water is present.
  11. Start engine. See Engine Owner’s Manual for correct procedure.WARNING: Risk of unsafe operation. If the engine does not start after two pulls, squeeze the trigger of the gun to relieve pump pressure. Pull the starter cord slowly until resistance is felt. Then pull cord rapidly to avoid kickback and prevent hand or arm injury.NOTE: If the oil level in the engine is low, the engine will not start. If the engine does not start, check the oil level and add oil as needed.
  12. Depress trigger on gun to start water flow. WARNING: Do not allow the unit to run for more than two minutes without the gun trigger being pulled. This could cause overheating and damage to the pump. When the temperature inside the pump rises too high, the thermal relief valve will open and release a spray of water from the pump to lower the internal temperature. The valve will then close.WARNING: Risk of unsafe operation. Stand on a stable surface and grip gun/spray wand firmly with both hands. Expect the gun to kick when triggered.
  13. Release trigger to stop the water flow.WARNING: 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

  1. After each use, if you have applied chemicals, place a detergent siphon hose into a container of clean water and draw clean water through a chemical injection system to rinse the system thoroughly.NOTICE: Risk of property damage. Failure to do so could cause damage to the pump.
  2. Turn the engine off. See Engine Owner’s Manual.NOTICE: Risk of property damage. NEVER turn the water off with the engine running.
  3. urn water source off.
  4. Pull the trigger on the spray gun to relieve any water pressure in the hose or spray gun.NOTE: Failure to release system pressure will prevent removal of the high-pressure hose from a spray gun or pump connection.
  5. See the Storage section in this manual for proper storage procedures.

MAINTENANCE

WARNING: Risk of burn hazard. When performing maintenance, you may be exposed to hot surfaces, water pressure or moving parts that can cause serious injury or death.WARNING: Risk of fire hazard. 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.ENGINEConsult 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 (FIG. 15)NOTE: 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 OILThe 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 the oil is drained, replace the pump oil drain plug.Tighten securely.
  5. For AAA TM pumps, refill using SIMPSON® Premium Pump Crankcase Oil. If this oil is not available, an SAE 15W-40 oil may be sed.For CAT Pumps ® ***, refill using a non-detergent hydraulic oil (ISO 68).6. Replace pump oil fill plug and tighten securely.If there is a problem with the pump contact us at www.simpsoncleaning.com*** CAT PUMPS® is a registered trademark of Diversified Dynamics Corporation.

CONNECTIONSConnections 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 (FIG. 16)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 the trigger on the 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 the nozzle to backflush loosenedparticles 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 (FIG. 11)This screen filter should be checked periodically and cleaned if necessary.

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

STORAGE

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

TO PREVENT FUEL-RELATED PROBLEMS

  1. Add Ethanol Shield TM fuel stabilizer following the manufacturer’s instructions.When adding a gasoline stabilizer, fill the fuel tank with fresh gasoline. If only partially filled, air in the tank will promote fuel deterioration during storage. If you keep a container of gasoline for refueling, be sure that it contains only fresh gasoline.
  2. After adding a gasoline stabilizer, run the engine outdoors for 10 minutes to be sure that treated gasoline has replaced the untreated gasoline in the carburetor.
  3. Turn the fuel valve to the OFF position.
  4. Continue to run the engine until it stops from the lack of fuel in the carburetor fuel bowl. Running time should be less than 3 minutes.

PUMPThe manufacturer recommends using SIMPSON® / POWERWASHER® PumpGuard 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.NOTE: Using a pump guard helps provide proper lubrication to the internal seals of the pump regardless of temperature or environment.NOTICE: Risk of property damage. Use only SIMPSON ® / POWERWASHER® Pump Guard or equivalent. Other products could be corrosive and/or contain alco- hol which may cause pump damage.

  1. Turn off the pressure washer and disconnect hoses from the pump.
  2. Unscrew the bottle valve from the Pump Guard bottle and remove the seal.
  3. Screw the bottle valve back onto the bottle.
  4. Attach the bottle to the water inlet of the pump.
  5.  Squeeze the bottle to inject contents into the pump.
  6. With ignition switch off, simultaneously pull starter rope and squeeze bottle.Repeat until the protector fluid exits the pump outlet. NOTE: This step may require two people.

ACCESSORIES

DANGER: Risk of fluid injection. When using replacement spray wands or guns with this pressure washer, DO NOT use a spray wand and/or spray gun/wand combination that is shorter in length than what was provided with this pressure washer as measured from the nozzle end of the wand to the gun trigger.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.

SERVICE INFORMATION

Do not return this product to your retailer. Please contact our customer service department at www.simpsoncleaning.com

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 withoutlimitation any warranties of merchantability or fitness for a particular purpose, and all such warranties are hereby disclaimed and excluded by the manufacturer. The manufacturer’s warranty obligation is limited to repair and replacement of defective products as providedherein 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 the 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[email protected] for authorization and direction to the nearest authorized service center in your area.
  • Retain original cash register sales receipt as proof of purchase for warranty work.
  •  Use reasonable care in the operation and maintenance of the product as described in the Owners Manual(s).

WARRANTY DOES NOT APPLY TO FAILURES DUE TO:

  •  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 SYSTEMCovered by engine manufacturer warranty. See engine manual.HIGH-PRESSURE PUMP (DEFECTS IN MATERIAL AND WORKMANSHIP)AAA™ – Five (5) years from the date of purchase CAT Pumps ® *** – Two (2) years from the date of purchaseFRAME (DEFECTS IN MATERIAL AND WORKMANSHIP)Ten (10) years from the date of purchase.ACCESSORIES (DEFECTS IN MATERIAL AND WORKMANSHIP)Includes nozzles, hoses, spray guns, wands, tires, feet Ninety (90) days from date of purchase.

TROUBLESHOOTING GUIDE

OPERATIONAL ISSUES POSSIBLE CAUSE SOLUTION
The engine will not start (see Engine Owner’s Manual for 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
No or low pressure (initial use) Spray wand not in high pressure See How to Use Spray Wand instructions in the Operation Section
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
The water filter screen clogged Remove and clean the filter. See the Cleaning Water Inlet Filter paragraph in the Maintenance section for the correct procedure
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 the water source off. Re-connect water source to pump inlet and turn on the water source. Squeeze trigger to remove remaining air
Choke in the “Choke” position Move choke to the “No Choke” position
A 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 See How to Use Spray Wand paragraph in the Operation Section
Chemical filter  logged Clean filter
Chemical screen not in cleaning solution Make sure the end of the detergent siphon hose is fully submerged into the cleaning solution
Chemical too thick Dilute chemical. Chemical should be the same consistency as water
The pressure hose is too long Lengthen water supply hose instead of high-pressure hose
Chemical build up in the chemical injector Please contact our customer service department at www.simpsoncleaning.com
No or low pressure (after a period of normal use) Worn seal or packing Please 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 the 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 See Nozzle Cleaning paragraph in the Maintenance section for the correct procedure
Oil leaking at the 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 the correct amount
Incorrect oil used Drain and fill with correct amount and type of oil
The vent plug is clogged Clean vent plug; blow air through it to remove any blockage. If the problem persists, replace the plug
Air filter filled with oil Clean and/or replace filter element. Refer to Engine Owner’s Manual for correct procedure.

Internet Address: www.simpsoncleaning.comWarranty Registration via InternetCopyright. All Rights Reserved

FNA Group, Inc.7152 99th StreetPleasant Prairie, WI 53158

Assembled in the U.S.A with domestic and foreign components

References

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