North Star 157117 Owner's Manual page 22

3.
Select spray Your pressure washer is equipped with four high-pressure nozzles and one steam
nozzle nozzle. Generally, the wider the spray angle of the nozzle, the lower the spray impact
produced. Select the appropriate nozzle for the job based on the following table:
Note: You must use the black low-pressure nozzle for spraying chemicals.
Attach nozzle Attach nozzle to the spray gun.
Any time you remove/install/change a nozzle, you must depressurize hose line by
squeezing the spray gun trigger while the engine is off. Even if the engine has been
off for a long period of time, the hose may remain dangerously pressurized.
1. 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 the
Operation
Release the collar, making sure it springs back and re-seats to its original (non-
retracted) position. (Fig. 8b). Check the connection by pulling on the hose to
ensure a positive connection.
Correct Insertion
Collar Seated
Part # Nozzle # and Color
of Nozzle:
778739 4.0 Yellow
778948 4.0 Green
778947 4.0 White
778949 Soap Nozzle
801090 3.0 Orange Steam
WARNING: Depressurize first
coupler on the end of the wand. (Fig. 9a)
Not Fully Inserted
Collar NOT Seated
Spray
Angle
15º
25º
40º
65º
15º
Trigger
22
Fig. 8b
Used For:
Tough
Stains/Stripping
General
Light Cleaning
Chemicals
Steam
Nozzle
Fig157117-7