2500 PSI Pressure Washer

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I found that by putting the housing in the freezer for a couple of hours, i was able to tap the metal and plastic body apart and install the new inlet elbow.

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A pressure washer ball valve controls water flow in the pressure washer. It also allows the user to temporarily stop water flow through the pressure hose.

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How do I get the nozzle to spray detergent out of it? The high pressure works great but I can’t get the detergent part to work. I lost the owners manual and now I’m confused about it. Any help will be appreciated.
Thank You ,
Mad Max
ANSWER : Go to this LINK and find the part/diagram that can help you.

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Karcher 4.91 checked fuse that is ok but no power
ANSWER : Check and see if you are getting power to the on/off swith. These switches have been known to go bad. Also, check the Ground fault breaker in the plug. Let me know how you make out.

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I have a Karcher 395 and want to replace the broken inlet elbow, but I cannot figure out how to get the plastic valve assebly free from the cast metal cover to change it. Seems as thought the valve assembly is pressed into the housing. To force it out may damaage the whole assembly.-
ANSWER : Take a socket that is the same size as the black plastic and tap it down through the hole until it comes out. I have done several of these this way.

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Hi, I have a Karcher 3.99. It’s going funny. When
ANSWER : Your internal sdeals have gone bad and need to be replaced. they sell kits for these that are inexpensive and the repair is usually pretty easily done

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I have a karcher 2.o1 pressure washer does not work when i turn the water on, if i turn the water off it works, cant figure it help , help please
ANSWER : Please try without the high pressure lance on. If this works then you may have a blocked jet in the lance.

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My Karcher 2.36 is leaking at the inlet point can someone tell me how to fix it
ANSWER : This sounds like the o-ring inside the end of the high pressure hose could be damaged and is in need of replacing. If this is not the case you may need to have the inlet replaced.

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I have a Karcher 3.49M purchased 8/2/09. Using the washer I inadvertently turned on after changing hoses, but forgot to turn water back on; this activation lasted only a couple of minutes before I realized there was no water. Now the unit makes a humming noise and does not turn on.
Can this be corrected, or do you believe the motor is burned up? I tried various electrical outlets and resetting etc. but to no avail. Thank you.
ANSWER : Normally when you dry run a machine you damage the pump so it would probably need changing. The motor might be Ok but for you to fix it you will need to take it to a Karcher dealer/service center.

From experiance it sometimes can be more cost efficient to purchase a new Karcher machine and get the 12 month warranty than spending money on an older machine.

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I have a Karcher HD3500 and was told Imay have a stuck unloader valve. Where is it and is there a diagram showing how to get to and clean?
ANSWER : HiThe unloader valveis HERE If you go to D-2 it is part numbers 8 to 13. If it is stuck it is not only important to free it up but also make sure no o-rings are damaged and lube it with a very good waterproof grease. Good luck.

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