North Star M157594AF.1 Owner's Manual

Also see for 157594: Installation, operation and maintenance manual Installation, operation and maintenance manual

Operation27 It mixes the cleaning chemical into a low pressure spray. Cleaning chemicals applied underlow pressure adhere better to the surface being cleaned, allowing the formula time to reactand remove dirt more effectively.Note: An external chemical injector pump is not recommended for use with this pressure washer.WARNING: Chemical spraying Never spray acids, corrosives, or abrasive or flammable liquids. Breathing hazards, surfaceburns/corrosion, or fire/explosion could result. Follow the chemical manufacturer's label instructions for proper use and handling of thechemical. Understand all safety hazards and first aid for all chemicals being used. Alwayswear protective gloves when handling and cleaning with chemicals, and wear otherprotective gear as directed by chemical manufacturer. Always dispose of hazardous fluidsper local, state, and national guidelines.AcquirecleaningchemicalUse only NorthStar pressure washer chemicals or chemicals specificallyformulated for use with pressure washers.CAUTION: Non-approved chemicals can damage pressure washer components(seals, wand, hoses, pump, etc.) and be harmful to the environment.Prepare forchemical spray(if planning touse)Prepare the pressure washer for chemical spraying using the following steps:1. Prepare (dilute) the chemical cleaning solution as required for the job.(Note: The chemical injector is adjustable and will mix the chemicalsolution into the spray up to a maximum ratio of 1 part chemical solution to13 parts water.)2. Disconnect the high pressure hose from the water outlet.3. Snap the quick couple chemical injector onto the water outlet, then snap thehigh pressure hose onto the chemical injector. See Figure 10.4. Submerge the suction strainer connected to the braided chemical hose into abucket containing the chemical solution.Figure 10StrainerChemical InjectorHigh Pressure HoseWater OutletDilutedChemicalAdjustment Knob