Product Manual For Powerhorse Pressure Washer
Owner’s ManualM750143EITEM NUMBER: 750143SERIAL NUMBER:2.5 GPM, 3100 PSI Pressure Washer — EPA, CARB-CompliantInstructions for Installation/Set-up, Operation, Maintenance, & StorageThis pressure washer produces cold water high pressure spray. Cleaning chemicals may be incorporated into thespray if desired. The pressure pump for this equipment is powered by a gasoline internal combustion engine.WARNING: SPECIAL HAZARDS CO Poisoning: Exhaust from engine contains carbon monoxide, a poisonous gas that can cause carbon monoxidepoisoning and possible death if inhaled. Injection Injury: High-pressure spray can pierce skin and underlying tissues, leading to serious injury and possibleamputation. Such an injection injury can result in blood poisoning and/or severe tissue damage. Flying Debris: High-pressure spray can cause flying debris and possible surface damage. Electric shock: Operating equipment in wet conditions or near water can cause electric shock. Chemical Exposure: Cleaning chemical vapors or contact with skin may be hazardous. Fire/Explosion: Engine sparking can ignite fuel or other flammable liquids or vapors in the vicinity. Hot exhaust from enginecan ignite combustible materials. Always keep a fire extinguisher rated “ABC” nearby. Burns: Pressure Washer pump and engine are hot surfaces that can cause burn injuries.Detailed safety information about these hazards appears throughout this manual.Equipment Protection Quick FactsInspect Upon Delivery: FIRST! Inspect for missing or damaged components. See “Initial Set-Up/Installation” sectionfor where to report missing or damaged parts.Add Engine Oil: Engine is shipped without oil. See the “Engine Manual” section of this manual for instructions oncapacity and viscosity recommendations.Replace Temporary Shipping Plug: Pump is shipped with oil but with temporary shipping plug. Check pump oillevel before starting and replace temporary shipping plug with permanent breather plug provided within plastic bagcontaining this Owner’s Manual.Water Flow Requirements: Make sure your supply water flow rate is 20% higher than the pressure washer's flowrate (see "Operations", section for detail), and that your water is clean and particle free.Chemical Spraying: Use only approved pressure washer chemicals designed for high-pressure use. Use soapadjustment knob to regulate cleaning power (on select units).Storage: Do not allow water to freeze in the pump, hose, or spray gun(s). See “Storage” for more information.Maintenance Schedule: Engine and pump require periodic inspection and servicing to keep pressure washerfunctioning efficiently. See “Maintenance Schedule Summary” for frequency of servicing.Any Questions, Comments, Problems, or Parts OrdersCall Powerhorse Product Support 1-866-443-2576
Table of ContentsEquipment Protection Quick Facts . 1TABLE OF CONTENTS . 2ABOUT YOUR PRESSURE WASHER . 4SPECIFICATIONS . 5COMPONENT IDENTIFICATION. 6SAFETY . 7Hazard Signal Word Definitions . 7ON PRODUCT LABELS . 8Decal Locations. 8Decals . 9INITIAL SET-UP . 11Step 1. Inspect & Unpack . 11OPERATION . 15Safety Rules for Operation. 15Preparing for Operation . 16Check/Add Oil to Pump . 16Check/Add Engine Oil . 17Inspect Fuel System/Check for Leaks . 18Connect Hoses, Water Supply, and Spray Nozzle . 18Prime the Water Supply. 20Set Up for Chemical Spray (if desired). 20Start-Up Procedures . 21Start the Engine to Power the Pump. . 21Apply Cleaning Chemical (If Desired) . 21Pump Components . 21Begin High Pressure Spray . 21Shutdown . 22STORAGE. 23Between-Use Storage . 23Prepare Pressure Washer for Freezing Conditions . 23Prepare Engine for Long Term Storage . 24Prepare Pressure Washer for Storage . 24MAINTENANCE & REPAIR . 25MAINTENANCE SCHEDULE SUMMARY . 25DETAILED INSTRUCTIONS – MAINTENANCE & REPAIR . 25Follow Safety Rules . 25Keep Pressure Washer Clean. 25Inspect Spray System . 26Do not start pressure washer until all needed repairs have been completed. . 26Change Pump Oil . 27TROUBLESHOOTING . 28PARTS EXPLOSION- MODEL 750143 – REV E . 292
PARTS LIST - MODEL 750143 – REV E . 30PUMP EXPLOSION 797638 - REV E . 31PUMP PARTS LIST 797638 - REV E . 32PUMP KIT PARTS LIST 797638 - REV E . 33ENGINE EXPLOSION (799841)-REV E. 34ENGINE PARTS LIST (799841)-REV E . 35ENGINE KIT LIST (799841)-REV E . 36ENGINE MANUAL . 37ENGINE STARTING COMPONENTS . 37MAINTENANCE SCHEDULE . 38ENGINE OIL RECOMMENDATIONS . 38LIMITED WARRANTY . 42CALIFORNIA PROPOSITION 65 INFORMATION . 443
About Your Pressure WasherThank you for purchasing a Powerhorse PressureWasher! It is designed for long life, dependability, andtop performance.Site Location. Intended for outdoor use only.Personal Protection. Wear safety apparel duringoperation, including safety glasses with side and topprotection. Ear protection is also recommended ifworking near any operating engine. Other safety apparelincludes waterproof insulated gloves, and non-slipprotective footwear. Cleaning chemicals may require theuse of respiration mask; refer to chemical label forfurther instruction.Intended Use. Produce a high-pressure water spray.Incorporate cleaning chemicals into a low-pressurewater spray.Note: Do not use for other purposes, as unforeseenhazards or equipment damage may result.Power Source. The pressure washer is powered by agasoline engine.Adult control only. Only trained adults should set upand operate the pressure washer. Do not let childrenoperate.Supplies Required. Normal operation will require youto supply: Pressure Washer pump oil Gasoline Engine oil Personal Protection EquipmentUnder The Influence. Never operate, or let anyone elseoperate, the pressure washer while fatigued or underthe influence of alcohol, drugs, or medication.Keep this manual for reference and review.See “Specifications” section of this manual for moredetail.ATTENTION: Rental Companies and PrivateOwners who loan this equipment to others!All persons to whom you rent/loan this pressure washerto must have access to and read this manual. Keep thisowner’s manual with the pressure washer at all timesand advise all persons who will operate the machine toread it. You must also provide personal instruction onhow to safely set-up and operate the pressure washerand remain available to answer any questions arenter/borrower might have. Owner’s Manuals areavailable from Powerhorse at 1-866-443-25764
SpecificationsModel #750143FLOW OUTPUTPSI (bar)3100 (214)GPM (l/min)2.5 (9.4)Max Water Temp140 F (60 C)ENGINEEnginePowerhorseHorsepower212CCDIMENSIONS / ht68lbsPump Oil Capacity100 ml. (3.4 oz.)SUPPLIES REQUIRED (not included)Engine OilRefer to the “Engine Manual”sectionPump Oil(shipped with oil, but refills required)SAE 30 non-detergent pump oil5
Component Identification13121516627101451934817111. Pressure Washer Pump: Inspect forloose/broken parts prior to each use.2. Pump Dipstick/Oil Fill: Add pump oil here.3. Pump Oil Drain: Drain pump oil from here.4. Pump (Water) Inlet: Attach garden hose here.5. Pump (Water) Outlet. Connect high pressurehose here.6. Pressure Adjustment (Unloader): Valve thatregulates pressure and directs flow into bypasswhen trigger is closed.7. Chemical Injector: Push chemical hose ontoinjector to route chemical from chemical bucketinto pump.8. Thermal Protector: Valve that regulates watertemp in the pump9. Engine: The air-cooled engine powers the pump.10. Upper Gun Holder: Store gun here.11. Lower Gun Holder: Store lance here.12. Nozzles: Change nozzles for different spraypatterns.13. Handle: Designed for easy cart movement.14. Hose: Attach couplers to gun and water outlet.15. Spray Gun: Source of pressurized water, use twohands for safe operation.16. Trigger: Pull to allow pressurized water to flowout of spray gun.17. Onboard Soap Tank: Store cleaning solution.See “Parts Explosion” for more details6
SafetyHazard Signal Word DefinitionsThis is the safety alert symbol. It is used to alert you topotential personal injury hazards. Obey all safetymessages that follow this symbol to avoid possible injuryor death.DANGERDANGER (red) indicates a hazardous situation, which ifnot avoided, will result in death or serious injury.WARNINGWARNING (orange) indicates a hazardous situation,which if not avoided, could result in death or seriousinjury.CAUTIONCAUTION (yellow), used with the safety alert symbol,indicates a hazardous situation, which if not avoided,could result in minor or moderate injury.CAUTIONCAUTION (yellow), without the safety alert symbol, isused to address practices not related to personal injury.NOTICENOTICE is used to address practices not related topersonal injury.7
On Product LabelsDecal LocationsWARNING:ALWAYS make sure safety labels are in place and in good condition. If a safety label is missing or not legible, order new labelsfrom Powerhorse Product Support at 9101112131415On-Product Warning LabelsPart numbersDescriptionFuel Fire Explosion Hazard Warning788935Fuel Ethanol Warning795124Poisonous Gas Warning795346Operation Warnings795343Burn Hazard Warning790852Air s 288Operating Instructions795290Nozzle795291Engine On/Off79535083
Decals61273894105To order replacement safety labels, call Powerhorse Product Supportat 1-866-443-25769
Decals Continued1112131415To order replacement safety labels, call Powerhorse Product Supportat 1-866-443-257610
Initial Set-UpStep 1. Inspect & UnpackUpon receiving your item check for missing or damaged parts.See “Component Identification” section of this manual for a diagram of the pressure washer and its components. For missing or damaged components, please contact Product Support at 1-866-443-2576. If complete, fill out product serial number information. See “Limited Warranty” section of this manual.HandleWheelsSpray GunPressure HoseLanceUpper Gun HookLower Gun Hook &M6 Screw Nut WasherHose Hook & 4 SelfTapping ScrewsEngine/PumpFoot and M8 Locknut5 NozzlesAxles & PinsFIG05931B11
Step 2. AssemblyHandle to Base AssemblyNote: Remove contents from box and assembly canoccur at this time.3. Install handle to the pressure washer base.The handle snaps into place.Wheel to Base AssemblyFIG059341. Install wheels on the pressure washer baseusing: (2) Axles (2) Hair PinsHandleGun Hook Assembly4. Attach upper gun hook on the pressure washerhandle using the existing hardware installed onthe right side of the panel: (2) M6 x 55 bolts (2) Flat washers (2) Bushings (2) M6 lock nutsAxelWheelPinFIG059325. Attach lower gun hook on the pressure washerbase using hardware supplied in the manualbag: (1) M6 x 45 bolt (1) Flat washer (1) M6 lock nutRepeat the process as pictured to install the wheel onopposite side.Check that wheels turn freely.Foot to Base Assembly2. Attach foot to the pressure washer baseusing:M8nut (1) M8 lockFlat WasherFIG05933Upper GunHookLocknutBaseM6 x 55BoltM6Lock NutBushingM6 x 45BoltFlatWasherLowerGunHookAfter completing this step the pressure washer cartassembly may now be placed right side up, ensuring thatthe wheels and leg are on a flat surface.M6 LockNut12FIG05936A
Step 3. Select Suitable LocationHose Holder Hook6. Attach the hose holder hook to the handle.Moving and Handling (4) Self-Tapping ScrewsMoving your pressure washer around Use the handles to manually move the pressurewasher. Push the pressure washer in front of you has youwalk. To turn, push down slightly on the handles andpivot the pressure washer on its wheels.HoseHandleSelf-TappingScrewsElevating or lowering your pressure washer To reduce risk of injury, it is recommended thattwo adults lift the pressure washer. Only lift the pressure washer by the bumper andhandle. Do not use the pump or engine as a liftingpoint.FIG05939WARNING: Lifting HazardThe pressures washer is heavy. It can crush and causeserious injury if it rolls out of control or tips over. Followthe instructions below for safely moving the pressurewasher.Replace Shipping Plug with Breather Plug7. Remove shipping plug from the pump andreplace with the supplied breather plug.ShippingPlugOutdoor Use Only1. Never run the pressure washer in an enclosedor partially enclosed location such as a building,garage, barn, shed, or house. These spacescan trap poisonous gases. Running a fan oropening windows will not provide adequateventilation to prevent dangerous CO build-up.2. Only use the pressure washer outdoors and faraway from ope
All persons to whom you rent/loan this pressure washer to must have access to and read this manual. Keep this owner’s manual with the pressure washer at all times and advise all persons who will operate the machine to read it. You must also provide personal instruction on how to safel
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