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6

WORKING WITH DETERGENTS

Karcher Pressure washers operate at two pressures. The high pressure is used for cleaning,
you cannot apply detergents when working at high pressure. To apply detergents you must
be operating at low pressure.  

Caution

Never use:

• Bleach, Chlorine products and other 

corrosive chemicals

• Liquids containing solvents 

(i.e., paint thinners, gasoline, oils)

• Tri-sodium phosphate products
• Ammonia products
• Acid-based products
These chemicals will harm the unit and
will damage the surface being cleaned.

Step 1

To Install soap nozzle simply

insert into the spray wand extension. Push
in and turn clockwise to lock into position.

Step 2

Fill a container with Karcher

detergent. Place the filter end of detergent
suction tube into the container.

Step 3

Turn on the pressure washer.

Pull trigger to operate unit: Liquid detergent
is drawn into the unit and mixed with water.
Apply detergent to work area. Do not allow
detergent to dry on surface.

For best results see Cleaning
Tips on pages 8 & 9 for specific
information on how to clean 
different surfaces.

Always Use Karcher 
Detergents for Best Results.

Karcher biodegradable detergents are
specially formulated to protect the environ-
ment and your pressure washer. Special 
formula won’t clog the suction tube filter 
and will protect the internal parts of the
pressure washer for a longer life. For
Karcher Detergents, check your retailer 
or call:

1-800-537-4129

The following Karcher detergents are
available:

• Vehicle Wash

• House Wash

• Degreaser

• Deck Wash

• All Purpose Cleaner

Summary of Contents for K120 M

Page 1: ...ts 6 Shut Down and Clean Up 7 Taking a Break 7 Winterizing and Long Term Storage 7 Cleaning Tips 8 9 Optional Cleaning Accessories 9 Troubleshooting 10 11 Model K 210 M Part No 1 072 680 0 High Pressu...

Page 2: ...e 10 High pressure hose 11 Trigger gun safety lock 12 Trigger gun 13 Power cord 2 1 5 3 10 8 12 6 7 9 Never point nozzle at people or animals Never drink alcohol or use drugs while operating this equi...

Page 3: ...ting not less than the rating of the product Do not use damaged extension cords Examine extension cord before using and replace if damaged Do not abuse exten sion cord and do not yank on any cord to d...

Page 4: ...UTIONS continued The water supply temperature must not exceed 104 F 40 C Never use the pressure washer to draw in water contaminated with solvents e g paint thinners gasoline oil etc Always prevent de...

Page 5: ...onnect garden hose to unit s water inlet Step 4 Connect garden hose to the cold water source and turn water on completely Step 5 Plug the power cord into the power outlet Trigger the gun to eliminate...

Page 6: ...ombines the cleaning performance of a 0 pencil jet with the surface coverage of a wide angle nozzle Use extreme caution when clean ing decks siding and other sensitive surfaces as the rotating spray w...

Page 7: ...with Karcher detergent Place the filter end of detergent suction tube into the container Step 3 Turn on the pressure washer Pull trigger to operate unit Liquid detergent is drawn into the unit and mi...

Page 8: ...damage to the pump assembly and accessories TAKING A BREAK five minutes or more Step 1 Remove de tergent suction tube from container and insert into 1 gallon of fresh water Siphon water at low pressur...

Page 9: ...with fresh water Rinse at high pressure from top to bottom in an even sweeping motion keep ing the spray nozzle approximately 6 inches from the cleaning surface Cement Patios Brick and Stone with or w...

Page 10: ...gent to dry on surface If needed use special Wash Brush attachment to remove stubborn dirt Rinse at high pres sure in a sweeping motion keeping the spray nozzle approximately 6 inches from the cleanin...

Page 11: ...for kinks leaks and blockage Not enough inlet water supply Open water source full force Water inlet filter is clogged Remove filter and rinse out in warm water Not enough inlet water supply Turn wate...

Page 12: ...gs Tighten fittings Missing worn rubber washer Insert new washer Spray wand extension not properly attached Broken o ring or plastic insert Check that hoses and fittings are air tight Turn off machine...

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