Having problems with your Briggs & Stratton 2200 PSI Gas Pressure Washer ?

I have a 6.0 HP craftsman PW and i rebiuld the pump with the kit for new orings and sleaves. Now when i try to start the motor it is tight. It will only run for a very short time. Is there a pressure relief that i missed??

Answers :

No this sounds like the unloader valve . What dose is when the trigger is off it allows the presserized water to recurilate back through the punp . The theromal relif valve is just what it says tempature sensitive blows at 145 degrees and works more like the thermostat in your car. The unloaded valve is under the pressure control knob and its part of it most of them are not serivceable but it may just be stuck if you take it off spray some WD 40 in it you may be able free it up It is likely it has an adjustment on the top of it it mabey under a plastic cap that you have to pop off but the adjustment is not likely the problem but may help you in freeing to needle valve inside of it .The problom with powerwashers is every body wants to sell them but they don't build them . A half of dozen companys make the parts any there it olny 2 differant disgns for the unloaders and pumps and the cam system that makes the pump turn so if you need parts you realy have to do some home work on line and check a lot of differant ID numbers Well i hope this will help you some but try to free the needle in the unloader valve first because that is your problem
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I have a 6.0 HP craftsman PW and i rebiuld the pump with the kit for new orings and sleaves. Now when i try to start the motor it is tight. It will only run for a very short time. Is there a pressure relief that i missed??

No this sounds like the unloader valve . What dose is when the trigger is off it allows the presserized water to recurilate back through the punp . The theromal relif valve is just what it says tempature sensitive blows at 145 degrees and works more ... Briggs & Stratton 2200 PSI Gas Pressure Washer

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