North Star M157471A ユーザーズマニュアル

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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 chem ical 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. 

Applying Chemicals
1.)  Push the nozzle forward for low pressure to spray chemicals onto the cleaning surface.
2.)  Start the pressure washer according to the start-up instructions.
3.)  Submerge the chemical hose and chemical strainer in cleaning solution.
4.)  Squeeze the spray gun trigger. The chemical injector will draw the cleaning solution 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 by pulling the nozzle backward.

6.)  Never use more chemical than is necessary to clean the surface.
7.)  Rinse chemical injector by following steps 1 through 4 with clean water.