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Unloader Valve Pressure Washer Adjustment
Unloader Valve Pressure Washer Adjustment. Having the unloader valve correctly adjusted will help a lot for those who need to use the pressure washer for multiple applications. The adjustment knob on the unloader allows the operator to adjust the point at which the unloader will go into bypass mode.
A simple spinning would do the trick. Remove the washer and spring, leaving behind the threaded piston rod that has two lock nuts. An unloader valve has two primary functions on a pressure washer / steam cleaner combination unit.
If You Need To Lower The Pressure, It Can Be Accomplished By These Methods.
During your adjustment task, the pressure washer motor should be running. By increasing the tension on the spring the operator will increase the amount of force or pressure that is required to unseat the bypass ball from the seat thus increasing the pressure. Remove the nylock nut off the top of the unloader valve and spin the black plastic pressure adjusting knob off.
How Do You Adjust A Pressure Washer Unloader Valve?
A simple spinning would do the trick. Use a new high power washer spray nozzles of the proper size orifice for your pressure washer. Next, get a wrench and lock these two nuts to just three threads off the bottom and after that put the washer, spring, and nut back where they were.
Make Sure The Pressure Gauge Never Reads Above Your Pressure Washer Operating Pressure Or You Might Damage The Pump.
The unloader valve diverts water flow into bypass when the trigger gun valve is closed. Before a load, the rpm is 3700, and after a load is 3400. Be sure to turn the pressure washer motor on while adjusting the unloader.
The Unloader Valve Might Not Be Appropriately Adjusted, Or It Might Not Be Working Right.
Adjusting the unloader pressure valve is a tricky process. If you have a gas pressure washer, check the rpms of the engine. Pressure washer operating features pressure adjustments the pressure setting is preset at the factory to achieve optimum pressure and cleaning.
The Goal Of The Unloader Valve Adjustment Is To Find The Spot Where The Pressure Is Maximum.
For adjusting the unloader valve on your pressure washer, the first thing you have to do is turn the valve on the outside of the pressure washer. And the pressure spike when you release the trigger is minimal. The on line excell manual states:
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