North Star M157309M.1 Owner's Manual

Operation303. Make sure the engine throttle is all the way open. If it is not, the enginewill not supply adequate voltage to the burner, resulting in smoke comingfrom the heat exchanger during operation.Turn the heat switch ON and adjust the thermostat to the desiredtemperature. (For steam spraying, set the temperature at 212°F orhigher and use yellow steam nozzle.)WARNING:• NEVER attempt to immediately run or re-light the burner if itdoesn’t ignite the first time. Unburned oil or gas may haveaccumulated, causing potential explosion or fire hazard.• Do not attempt to set temperature limit above the preset limit.• Never touch hot burner surfaces and stay clear of burner exhaust.All are very hot and will burn you.• Do not inhale burner exhaust. It contains dangerous carbonmonoxide that can kill you.4. The burner will fire when the trigger is squeezed – follow instructions forspraying.Note:If burner exhaust is white, adjust burner for peak performance. See the “OilBurner Adjustment Instructions” step in the “Set-Up” section of this manual.5. When the trigger is released, a pressure switch automatically turns theburner off. Also, when the temperature setting is reached, the thermostatautomatically turns the burner off.WARNING :It is important that the burner stops firing when the trigger isreleased. If the burner remains firing, discontinue use until thepressure washer is serviced. Extremely high temperatures can resultin serious injury and equipment damage.Begin highpressure sprayHigh Pressure Spray ProcedureWARNING: High pressure spraying safety• Keep spray away from people. Never direct discharge stream at or near anyperson. Do not allow any part of the body to come in contact with the fluidstream. High-pressure spray can cause serious skin, eye, or falling injuries, andhot water can burn. Injection injury will occur if high-pressure spray pierces theskin, injecting liquid under the skin. Injection injury can result in bloodpoisoning and/or severe tissue damage leading to infection, gangrene andpossibly amputation. Seek medical attention.• Do not secure trigger open. To reduce risk of injury, do not attempt to securethe spray gun open by blocking or tying the spray gun in the open position.• Prevent slips / loss of balance. High-pressure spray could cause you to losebalance from kickback forces, and wet surfaces can be slippery.- Keep good footing and balance at all times. Do not overreach.- Do not stand on unstable support when spraying.