North Star M157309M.1 Owner's Manual

Operation251. Make sure the engine is off and the hose line depressurized.2. To install the nozzle, pull the collar back and twist the nozzle firmly into thecoupler on the end of the wand. (Figure 9a)3. Release the collar, making sure it springs back and re-seats to its original(non-retracted) position. (Figure 9b). Check the connection by pulling onthe nozzle to ensure a tight connection -- if correctly inserted, nozzle willrotate but not pull out.WARNING:Make sure the nozzle is correctly inserted. Sprayer nozzle can become a projectileand cause serious personal injury or property damage if not properly connected tothe spray gun. Do not attempt to use different types of nozzles that may not fit thecoupler.Step 2. Set Up for Chemical Spray (if desired)Using the proper cleaning chemical for the application can speed up cleaning jobs tremendously.Your pressure washer is equipped with a chemical injection point on the downstream side of thepump for introducing cleaning chemicals into the water stream. A braided chemical hose isprovided to connect at this point. Suction pressure at this connection automatically draws thechemical solution in through the hose, mixing in 1 part chemical to 15 parts water. Adequatesuction pressure is created only when the low pressure (black) spray nozzle is used.Nozzle CollarCoupler LanceCollar seated Collar NOT seatedCORRECTINSERTIONNOT FULLYINSERTEDFigure 9aFigure 9b