North Star M157594AF.1 Owner's Manual

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

Maintenance & Repair40Inspect and maintain your pressure washer as specified below in order to keep it in safeand optimal working order. Follow all safety rules and recommended maintenanceinstructions.WARNINGALWAYS shut off water supply, bleed water pressure, turn off engine and disconnect thespark plug before cleaning, adjusting, or servicing the pressure washer. After servicing,make sure all guards and cover shields are replaced before using.Maintenance ScheduleItem FrequencyRemove dust/debris accumulation As neededInspect fuel system Each useInspect spray system Each useClean water filter Each useRecharge and maintain battery As specified in Battery Manufacturer's instructionsPerform engine maintenance As specified in Engine Owner's manualChange pump oil  After first 40 hours of use Every 3 months or 500 hours of use after thatMaintain burner's fuel filter / waterseparator Drain water as needed Change filter after every 500 hours of useDescale coil Annually, or more frequently as use and performancerequire (see instructions)Inspect and desoot coil if needed AnnuallyInspect/clean/adjust electrodes AnnuallySee detailed instructions for each maintenance item below.(Note: For end-of-the-season storage instructions, see the "Storage" section of this manual.)Maintenance & Repair-Detailed InstructionsFollow safety rules Read and follow these safety rules whenever you will be servicing thepressure washer: Turn off / relieve pressure first. Always turn off pressure washerand relieve system pressure before inspection or maintenance.Remove spark plug or spark plug wire to prevent accidental starting. Fuel valve off. Turn fuel shut-off valve to OFF position beforetransporting or servicing the pressure washer. Replace guards. Make sure all guards and cover shields are replacedafter servicing the pressure washer. Major repair. Major service, including the installation orreplacement of parts, should be performed only by a qualifiedelectrical service technician. Obtain factory approved parts fromNorthern Tool Product Support at 1-800-270-0810. Replacement parts. If a part needs replacement, only use factory