North Star A1573001, Owner'S Manual

Operation Instructions

  8 

Applying Chemicals 

1.)

Install the black nozzle when applying chemicals onto the cleaning surface.  

2.)

Start the pressure washer according to the start-up instructions. 

3.)

Submerge the chemical hose in cleaning solution. (See Pump Component Identification section for chemical 
injector location.) 

4.)

Squeeze the spray gun trigger.  The chemical injector will draw the chemical into the water stream. 

5.)

Apply chemicals evenly onto the cleaning surface.  Allow the chemicals to react with the dirt, then clean at 
high pressure with high pressure (green or yellow) nozzle. 

6.)

Never use more chemical than is necessary to clean the surface. 

7.)

To  clean  the  chemical  injector,  draw  water  through  the  strainer  until  all  the  chemical  is  purged  from  the 
system. 

Risk of exposure to dangerous chemicals.

Serious injury or death can result if chemical manufacturer instructions are not 

followed.
-Wear protective gloves when handling and cleaning with chemicals. 
-Understand all safety hazards and first aid for all chemicals being used.
-When cleaning filters, check if chemicals have been used and take any 

precautions that are recommended by the chemical manufacturer.

-Different chemicals may interact dangerously with each other, always follow 
chemical manufacturer directions before switching chemicals.
-Calculate the correct amount of chemical to mix, dispose of excess chemical 

per the manufacturer instructions. 

-Never spray flammable liquids. 

WARNING

strainer 

diluted  
chemica

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pump inlet 

pump outlet 
outletoutl

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pump