Kärcher Home & Garden Online Help

Kärcher North America Online Help

Welcome to the official online help resource for Kärcher Home & Garden products sold in the US and Canada. Below are several channels of support including how to buy spare parts, locate a service center in your area, download owner’s manuals or contact our customer care team online. You also can find answers to many common issues by typing your question below or clicking the Knowledgebase link. We greatly appreciate your business and look forward to helping you make the most of your Kärcher product!

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Knowledgebase : View Help in English > Technical Help
     
The quick connect adapter on Karcher K2, K3, K4 and K5 electric pressure washers (as well as some other Karcher electric pressure washers) will leak if it is not correctly attached. The correct way is to ATTACH THE YELLOW SIDE OF THE ADAPTER TO YOUR GA...
Updated 10/19/09 FOR GAS AND ELECTRIC MACHINES A loss of pressure can be caused by a number of things. Here are the things you should check first: - Make sure your garden hose and high pressure hose are not kinked, leaking, or blocked in anyway and ...
Water flow may be restricted to the pressure washer. Check that all hoses are free of kinks, leaks, or blockage. Make certain all hoses and fittings are connected properly. Make sure to open the faucet/spigot to full force. Set the spray wand to high pr...
Kärcher residential electric pressure washers are equipped with a Ground Fault Circuit Interrupter (GFCI) for your protection. The Consumer Product Safety Commission recommends that you test all GFCI's once a month. Since the frequency of pressure wash...
Although there is some variation from model to model, the general dilution ratio of detergent to water is 18:1. That is to say that the detergent is drawn and dispensed at a rate of 1 unit for every 18 units of water. Roughly 1 gallon of detergent will be...
The best way to find the answer to your question is to use the "Search" function on this page. Enter a keyword(s) related to your question. Click the "Search" button. The search engine will find all of the related FAQ's. If after searching the FAQ'...
> Water flow may be restricted to the pressure washer. > Check that all hoses are free of kinks, leaks, or blockage. Make certain all hoses and fittings are connected properly. Make sure to open the faucet/spigot to full force. Set the spray wand to h...
Water flow may be restricted to the pressure washer. Check that all hoses are free of kinks, leaks, or blockage. Make certain all hoses and fittings are connected properly. Make sure to open the faucet/spigot to full force. Set the spray wand to high pr...
Visit: http://www.karcherresidential.com/en/pump_guide/master_list.php and click on your pressure washer model for all information relating to pump oil.
To find the exact pump oil guidelines for your pressure washer, go to: http://www.karcherresidential.com/en/pump_guide/master_list.php
Gas pressure washer: > No gasoline present in the fuel tank or carburetor > Low amount of oil in the engine > Water in gasoline or old fuel > Dirty air filter > Worn spark plug. Make sure it is the correct type > Release water pressure by squ...
To clean clogged nozzles: > Always disconnect your spray wand from the gun before cleaning your nozzles! > Clear the nozzle with a small rigid piece of wire such as a paper clip. > Flush the nozzle backwards with water. > Reconnect the wand to t...
Gas Pressure Washers: The maximum recommended length for your garden hose is 100 feet. The maximum recommended length for your High Pressure Hose is 100 feet. The pressure washer may operate at lengths beyond this, but performance will suffer, and de...
A leak of up to 3 drops per minute is normal for all pressure washers. If you run gas pressure washer for several minutes without spraying the wand, the pump will automatically purge water to protect it from overheating. This is called the automatic ...
Gas pressure washers are equipped with this feature. The valve will open when the water reaches a temperature of 140°F. The valve will close once the cold water contacts the thermal relief valve. DO NOT the let the pump run longer than 5 minutes in the...
The pressure could be irregular because the nozzle is clogged. There could be dirt in the inlet/outlet valve or a kink in the garden hose. To correct these problems, clean nozzles and valve fittings regularly. Whenever you move the pressure washer, always...
Squeeze the trigger gun to release any pressure built up inside of the pump. Try starting the engine. If the problem continues: > If you have transported the pressure washer on its side or laid it down somehow, this will cause the valves to close, mak...
The nozzle could also be clogged with debris. You can clean them with a warm water/vinegar solution and a needle or paper clip. Over time, depending on the type of water used, the orifice can also become washed out. In which case, you would have to r...
Some gas engines are equipped with a low oil sensor. If the oil level is too low the engine will automatically shut-down. We recommend filling the pressure washer to the proper level as indicated in the engine owner’s manual. Tipping or rocking the pressu...
The leak may be possible due to overfilling the oil reservoir. Overfilling the reservoir will cause oil leakage and poor engine performance. Please refer to the engine owner’s manual for proper filling instructions.
The pump may become noisy if the pump is drawing in air. To correct this, ensure all fittings and connectors are tight. There may be a low water supply. Make sure the water faucet/spigot is fully turned on. Check for any kinks in the garden hose. The pump...
Kärcher electric pressure washers are Maintenance Free. The oil is completely sealed inside the pump. There is no need to check or change the oil.
Any 3/8 plastic tubing will work as a temporary replacement. Visit www.BuyKarcher.com to order a permanent replacement.
The oil should be checked every time gas is added. This type of maintenance will help prevent running low on oil and damaging the engine.
Remove the screen and backflush impurities from it. Replace immediately. Do not operate the pressure washer without the screen in place. Debris can enter the pressure washer and damage the pump.
Yes! Quick connect fittings for garden hoses can be found at any home center.
The ratio that the detergent is diluted varies slightly from unit to unit. The most common ratio is 18:1.
No! Bayonets are designed to work with a specific PSI and GPM setting and cannot be interchanged.
This problem can be caused by the choke being set too high. Simply turn the choke down. By turning the choke down you are allowing less air to enter the engine. Also, check spark plugs for carbon deposits, lose connections, and air filter.

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