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English 9

8. Turn on the machine by stepping 

down on the foot pedal.

The motor starts when the trigger 
of the gun is pulled and shuts off 
when the trigger is released.

To avoid serious injury, never point 
spray nozzle at yourself, other 
persons or animals.

Always test an inconspicuous area 
before cleaning with high pressure.

Each of the nozzles has a different 
spray pattern.  Before starting any 
cleaning job, determine the best 
nozzle for the job.

The Turbo Nozzle 
rotates in a zero 
degree spray pattern 
in a circular motion to 
break down tough dirt 
and grime.  The spray 

pattern can cover an area of 4 to 8 
inches (10 to 20 cm), depending on 
the distance between the tip and the 
surface being cleaned.

The 40° Nozzle is 
efficient for general 
purpose cleaning.  
Use to remove loose 
dirt and grime from 
most surfaces 

including cars, wood decks, patios, 
outdoor furniture, home siding and 
lawn & garden equipment.

The 15° Nozzle is 
optimized for 
concentrated 
cleaning power and 
time.  Use to remove 
paint, stains, mildew, 

oil, compacted dirt and grime from 
decks, siding, driveways and patios.

The Soap Nozzle is 
used to apply cleaning 
solution to any 
surface.  Use to 
provide a thorough 
cleaning to all 

surfaces.

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

Always Use Kärcher Detergent for 
Best Results. Kärcher biodegradable 
detergents are specially formulated to 
protect the environment and your 
pressure washer. The special formula 
won’t clog the suction tube and will 

Using the Accessories

Using the Nozzles

Working with Detergents

Summary of Contents for K1900

Page 1: ...English 4 Espa ol 20 Fran ais 38 K1900 1 106 111 0 K1910 1 106 117 0 8 641 719 0 1 9 16 Electric Pressure Washer...

Page 2: ...essure Outlet 3 Hose Connector 4 ON Off Pedal 5 Power Cord Cleat 6 Nozzles 7 Turbo Nozzle 8 High Pressure Hose 9 Spray Wand 10 Spray Gun 11 Handle 12 Plug Storage 13 Wheel 14 Detergent Tank 15 Power C...

Page 3: ......

Page 4: ...uation which if not avoided could result in death or injury Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury or in property damage incidents When...

Page 5: ...Risk of Electrocution Inspect cord before using Do not use if cord is damaged Keep all connections dry and off the ground Do not touch plug with wet hands Do not use extension cord with this product C...

Page 6: ...must be at least 5 8 inch 16 mm in diameter Flow rate of water supply must not fall below 2 GPM gallons per minute 7 6 L min Flow rate can be determined by run ning the water for one minute into an e...

Page 7: ...hose connector to the water inlet 4 Attach nozzles to handle 1 Thread one end of the high pressure hose tightly onto the high pressure outlet on the unit 2 Thread the other end of the high pressure h...

Page 8: ...uit Interrupter GFCI into a working outlet We recommend that you test the GFCI as part of the start up procedure each time you use the machine To learn how to perform this test visit Karcher help com...

Page 9: ...e being cleaned The 40 Nozzle is efficient for general purpose cleaning Use to remove loose dirt and grime from most surfaces including cars wood decks patios outdoor furniture home siding and lawn ga...

Page 10: ...ergents can only be applied at low pressure 1 Install the soap nozzle to the quick connect on the end of the wand 2 Fill the soap tank with K rcher detergent 3 Turn on the pressure washer by step ping...

Page 11: ...ine off by stepping on the foot pedal and unplug the cord from the outlet 2 Turn off the water source 3 Press trigger to release water pressure 4 Release trigger and engage the gun safety lock 5 Disco...

Page 12: ...rces of heat as it may dry out the pump seals Failure to follow the above directions will result in damage to the pump assembly and accesso ries and will void the warranty K rcher also recommends the...

Page 13: ...ure a more even cleaning result With or without detergent Pre rinse cleaning surface with fresh water If using detergent apply to surface at low pressure For best results limit your work area to small...

Page 14: ...t allow detergent to dry on surface Rinse at high pressure keeping the spray nozzle approximately 3 6 in 7 5 15 cm from the cleaning surface For removing extremely stubborn dirt it may be necessary to...

Page 15: ...protect your pressure washer from freezing corrosion and premature wear The Pump Guard also adds lubrication to valves and seals to prevent sticking Highly recommended for all K rcher pressure washers...

Page 16: ...t comes automatically once the temperature of the unit drops On Off pedal is in the OFF position Turn pedal to the ON position Unit does not reach high pressure Diameter of garden hose is too small Re...

Page 17: ...wand Run distilled vinegar through soap tank No Detergent Detergent tube is not connected to the detergent tank Check connection Detergent is too thick Dilute detergent For best results use K rcher de...

Page 18: ...wist into the locked position Broken o ring or plastic insert Visit www karcher help com or locate a service center Pump is noisy Pump is sucking in air Check that hoses and fittings are air tight Tur...

Page 19: ...English 19...

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