North Star M157594I - Manual (Page 27)

Operation
27
3. Release the collar, making sure it springs back and re-seats to its original
(non-retracted) position. (Figure 8b). Check the connection by pulling on
the hose to ensure a positive connection.
Figure 8b
Select spray
nozzle Your pressure washer is equipped with four high-pressure nozzles and one
low-pressure nozzle. Generally, the wider the spray angle of the nozzle, the
lower the spray pressure produced. Select the appropriate nozzle for the job
based on the following table:
Color of Nozzle: Spray Angle Used For:
Red 0 Highest Impact
Yellow 15 Tough Stains/Stripping
Green 25 General
White 40 Light Cleaning
Black-Low pressure 65 Chemicals
NOTE: You must use the low pressure black nozzle for spraying chemicals.
Attach nozzle Attach nozzle to the spray gun.
WARNING: Depressurize first
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.
Correct Insertion Not Fully Inserted
Collar Seated Collar NOT Seated
Nozzle
Trigger