HDS 505, 508, 509, 510 • 9.800-078.0 • Rev. 4/13OPERATOR’S MANUAL PRESSURE WASHER4INTRODUCTION & IMPORTANT SAFETY INFORMATIONThank you for purchasing this Pressure Washer.We reserve the right to make changes at any timewithout incurring any obligation.Owner/User Responsibility:The owner and/or user must have an understanding ofthe manufacturer’s operating instructions and warningsbefore using this pressure washer. Warning informationshould be emphasized and understood. If the operatoris not fluent in English, the manufacturer’s instruc-tions and warnings shall be read to and discussedwith the operator in the operator’s native language bythe purchaser/owner, making sure that the operatorcomprehends its contents.Owner and/or user must study and maintain for futurereference the manufacturers’ instructions.The operator must know how to stop the machinequickly and understand the operation of all controls.Never permit anyone to operate the engine withoutproper instructions.SAVE THESE INSTRUCTIONSThis manual should be considered a permanentpart of the machine and should remain with it ifmachine is resold.When ordering parts, please specify model andserial number. Use only identical replacementparts.This machine is to be used only by trained operators.IMPORTANT SAFETYINFORMATIONREAD OPERATOR’SMANUAL THOROUGHLYPRIOR TO USE.WARNING: To reduce the risk ofi n j u r y, r e a d o p e r a t i n ginstructions carefully beforeusing.1. Read the owner's manualthoroughly. Failure to followinstructions could causemalfunction of the machineand result in death, seriousbodily injury and/or propertydamage.2. Know how to stop the machine and bleed pressurequickly. Be thoroughly familiar with the controls.3. Stay alert — watch what you are doing.4. All installations must comply with local codes.Contact your electrician, plumber, utility companyor the selling distributor for specific details. If yourmachine is rated 250 volts or less, single phase willbe provided with a ground fault circuit interrupter(GFCI). If rated more than 250 volts, or more thansingle phase this product should only be con-nected to a power supply receptacle protected bya GFCI.DANGER: Improper connection of the equipment-grounding conductor can result in a risk of elec-trocution. Check with a qualified electrician orservice personnel if you are in doubt as to whetherthe outlet is properly grounded. Do not modify theplug provided with the product - if it will not fit theoutlet, have a proper outlet installed by a qualifiedelectrician. Do not use any type of adaptor withthis productWARNINGKEEP WATERSPRAY AWAY FROMELECTRICAL WIRING.WARNING: Keep wand, hose, andwater spray away from electricwiring or fatal electric shock mayresult.5. To protect the operator fromelectrical shock, the machinemust be electrically grounded.It is the responsibility of theowner to connect this machineto a UL grounded receptacle of proper voltage andamperage ratings. Do not spray water on or nearelectrical components. Do not touch machine withwet hands or while standing in water. Always dis-connect power before servicing.RISK OF EXPLOSION:OPERATE ONLY WHEREOPEN FLAME OR TORCHIS PERMITTEDWARNING WARNING: Flammable liquidscan create fumes which can ig-nite, causing property damageor severe injury.WARNING: Risk of explosion —Operate only where open flameor torch is permitted.6. In oil burning models, use only kerosene, No. 1home heating fuel, or diesel. If diesel is used, adda soot remover to every tankful.RISK OF FIRE.DO NOT ADD FUELWHEN OPERATINGMACHINE.WARNING WARNING: Risk of fire — Do notadd fuel when the product isoperating or still hot.WARNING: Do not use gasolinecrankcase draining or oil con-taining gasoline, solvents oralcohol. Doing so will result infire and/or explosion.7. Oil burning appliances shall be installed only inlocations where combustible dusts and flammablegases or vapors are not present. Do not store oruse gasoline near this machine.8. Do not allow acids, caustic or abrasive fluids to passthrough the pump.9. Never run pump dry or leave spray gun closedlonger than 1-2 minutes.