SOURCE: karcher 2400 pressure washer with
The pump is correctly oiled and lined up on the camshaft, correct?
SOURCE: Katcher pressure washer w/ 5hp Honda Engine
pour a bottle of carburettor or fuel injector cleaner in the fuel tank, replace the spark plug and set the spark pluglug gap at 0.7mm. Replace the air filter element. Also change engine oil if necessary (mobil 10w30 synthetic.
SOURCE: Electric Karcher pressure washer surging when turned on
Dear firenutt681,
One simple thing you can do, is to check for leaks. Check if hose at machine is leaking. Check gun if it is leaking. You can also check if water still comes out of lance nozzel. These leaks however so small, will cause the machine to surge.
Another reason is due to a faulty SPILL VALVE. This spill valve( often called CONTROL VALVE) will contract when the gun is closed. When it contracts under the enclosed pressure it will switch off the machine by means of a Micro Switch. Now if this Spill valve is faulty it will loose its compression under pressure and puts on the micro switch again. This can be seen once in a while or more frequent, as in your case. I sometimes do service Spill Valves, but mostly I replace them with a new one. I do not know the model number of your machine, but normally you have to open the cover and you should spot the spill valve on the head. Most probably you see a thick wire or a cap containing the micro swith. If you find the micro switch, you have found the spill valve. Sometimes it is a bit hard to pull out the spill valve. Myself, in various Karcher models I remove the spill valve by trying to feed water and put on a bit the machine. In this way the spill valve will be spitted out.
Another reason which makes your machine surge, is leakage from from the detergent inlet.
If you do not see no leakages at all....then for sure it is the SPILL VALVE.
If you cannot do this job yourself or you do not find spare parts...you can continue using the machine as it is...but before closing the gun...switch off the electricity. I only recommend this in an emergency. You do this so that you do not leave the machine surging. This surge will for sure damage the electric motor and the capacitor (assuming it is single phase).
Regards,
Fulltech.
SOURCE: Honda GCV160 Engine Won't Start
Hello
You should siphon out all the old gas you can. Replace with new gas. Check that the spark plug is good and the air filter is clean. Spray some carb cleaner in the carburetor.. Also, you should check the oil level and change the oil if it is black. If it tries to start after you spray the carb cleaner in but won't keep going then you know the carburetor needs a good cleaning
SOURCE: I have a Husky 2600 PSI power washer with the
You can eliminate the motor by unbolting the pump from it and then if it will start the problem is with the pump or the unloading valve.If it does not start with the pump removed then you check for spark and get the carb cleaned or have a kit put in it.If it does start then check to see if the pump turns freely,if so disassemble the unloader valve and clean and lube it so that the pump and motor can relieve the pressure it needs to when the trigger is not engaged,if the pump can't be easily turned by hand then then pump needs to come apart,dealership should do this.
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