 | Why does my gas machine have low pressure unless I remove my nozzles and reattach?
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 | Updated 10/19/09
Gas Machines Only
This can be caused by a dirty or sticking unloader valve.
This valve may be sticking in place and usually needs to be cleaned and lubricated with lithium grease. The location of the unloader valve varie |
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| Where can I find the engine manual for my Kärcher gas pressure washer?
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| Over the years, Karcher has worked with a variety of engine manufacturers such as Honda and Briggs & Stratton to deliver a complete line of gas pressure washers.
If you are unable to locate your engine's owner manual, please visit the website of the |
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| Why does water leak from under the pump manifold on my pressure washer?
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| Water leakage can be caused by worn, old, or cracked seals. This can be caused by a number of different things, but the most common is allowing water inside the pump to freeze. If the unit has been in storage check all seals before using the unit. Repla |
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| When should I drain the gasoline from the engine?
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| You should always remove the gasoline from the engine if you plan to store your pressure washer in your basement or transport it in a vehicle. You should never store combustible materials in your home or vehicle. |
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| How does water get into the pump oil (milky oil)?
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| Water can get into the transmission of the pump in a variety of ways. Sometimes, especially in humid environments, if the power washer sits in storage for long periods of time, condensation can allow water into the pump.
If the pump is equipped with a |
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| Do I add oil to the engine of my gas pressure washer before using it the first time?
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| Yes. Kärcher pressure washers do not ship with engine oil already in the crankcase. Oil must be added to the engine before starting. There may be a small residue of oil from testing the engine but it is not enough to effectively operate the machine. Ple |
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| Why does smoke come out of my muffler when I start my pressure washer?
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| Typically this occurs when the engine has been overfilled with oil. Check the dipstick for the correct oil level. If the oil level is correct then the next step is to check the air filter. Make sure there is no oil residue on the intake air filter. If |
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| Why should I use a fuel stabilizer?
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| The use of a fuel stabilizer will protect the carburetor and minimize the break down of gas during storage. Stabilizer may be added along with the gasoline. Add stabilizer to the gas tank and the gas storage container.
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| What grade of gasoline should I use?
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| Regular unleaded gasoline (87 octane).
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| How much air should I put in my tires?
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| Kärcher recommends that the tire pressure does not exceed 25 PSI.
Be sure to check the air in the tires from time to time. It is a good habit to check them at the beginning of every season.
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| What are some solutions when my engine on my gas power washer will not start or is hard to start?
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| 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 squeezing trigger on gun
Refer to engi |
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