Step 2. Set Up For Chemical Spray (If Desired) - North Star NS157310 Owner's Manual

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
3. Release the collar, making sure it springs back and re-seats to its original
Using the proper cleaning chemical for the application can speed up cleaning jobs tremendously.
Your pressure washer is equipped with a quick connect chemical injector, which siphons
cleaning chemicals into a low-pressure washer spray downstream of the pump. Adequate suction
pressure is created only when the low pressure (black) spray nozzle is used.
The introduction of cleaning chemicals via the chemical injector affords the following advantages:
•
It protects the pump from damage because no chemical passes through the pump.
CAUTION: Certain chemicals, such as bleach or those containing muriatic acid, will
Operation
coupler on the end of the wand. (Figure 9a)
Nozzle
(non-retracted) position. (Figure 9b). Check the connection by pulling on
the nozzle to ensure a tight connection -- if correctly inserted, nozzle will
rotate but not pull out.
WARNING:
Make sure the nozzle is correctly inserted. Sprayer
nozzle can become a projectile and cause serious personal injury or
property damage if not properly connected to the spray gun. Do not
attempt to use different types of nozzles that may not fit the coupler.
CORRECT
INSERTION
Collar seated

Step 2. Set Up for Chemical Spray (if desired)

Coupler
Collar
Figure 9a
Figure 9b
23
Lance
NOT FULLY
INSERTED
Collar NOT seated