Operation253. Release the collar, making sure it springs back and re-seats to its original(non-retracted) position. (Figure 8b). Check the connection by pulling onthe hose to ensure a positive connection.Figure 8bSelect spraynozzleYour pressure washer is equipped with four high-pressure nozzles and onelow-pressure nozzle. Generally, the wider the spray angle of the nozzle, thelower the spray pressure produced. Select the appropriate nozzle for the jobbased on the following table:Color of Nozzle: Spray Angle Used For:Red 0 Highest ImpactYellow 15 Tough Stains/StrippingGreen 25 GeneralWhite 40 Light CleaningBlack-Low pressure 65 ChemicalsNOTE: You must use the low pressure black nozzle for spraying chemicals.Attach nozzle Attach nozzle to the spray gun.WARNING: Depressurize firstAny time you remove/install/change a nozzle, you must depressurize hoseline by squeezing the spray gun trigger while the engine is off. Even if theengine has been off for a long period of time, the hose may remaindangerously pressurized.Correct Insertion Not Fully InsertedCollar Seated Collar NOT SeatedNozzleTrigger