Question about Garden
My Karcher 102b pressure washer is leaking and the water is mainly coming out from the yelow 'switch' at the bottom of the handle. Do I need a new gun?
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Posted on Jan 02, 2017
Most pressure washers when their gun is released, the machine stops automaticaly. This is done ny means of a control valve. When the gun is closed...pressure is built and the control valve moves and switches a micro switch off. In your case the micro switch is still closed in off position. Now this happens if a machine is left and stored with pressure in it., This control valve could get jammed and leaving the micro switch in off position. It could also stay in off position by sticking, due to incorrect chemical.
So the control valve or even called spill valve, must be renewed.
Sometimes a little lubrication with the right type of silicon grease will get the control valve working again. This job is sometimes delicate and better done by a qualified technician.
Posted on Apr 12, 2009
I have the same problem. With mine I have to remove the tip that I am using then pull the trigger and then replace the tip and pull and pressure should return. I believe that one of my valves is sticking causing me to reprime the pump frequently. I am trying to clean or replace my valves to fix the problem.
I hope this helps.
Posted on Apr 25, 2009
SOURCE: Karcher pistol gun has broken
Make sure you DO NOT have a check valve (this is what stops your hose running when you disconnect from the hozelock fitting) in your hose pipe system, This will send a shockwave through the pressure washer and destroy the fitting you mentioned. They can be easily removed.
Posted on Jul 25, 2009
Usually electric pressure washers only have oil on the pump, so its very likely that you will find the problem there. I'd say check all the pump seals and if that doesnt solve the problem, you can check to see if all bolts are tight when you close the pump back.
If by any chance you are looking for a new machine and/or parts for your machine, log in to www.roncoshop.com where you will be able to find pretty much anything for your preassure washer.
Posted on Jun 26, 2012
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