Pressure Washer Relief Valve Adjustment

A pressure washer cleans the accumulated dirt from sturdy surfaces such as driveways siding and garage floors.

Pressure washer relief valve adjustment.

Valves begin closing as pressure drops and fully close when the. What you now see should be a threaded piston rod with two locking nuts. These valves are commonly used with thermal expansion protection systems and low capacity pumps. One of them is a sticking unloader valve.

Take the pressure gun and release all the excess air out. Well the job of adjusting the unloader valve is not a daunting one. They begin opening at the set pressure and fully open at about 10 over the set pressure. After watching this video you may be able to get your pressure wash.

This video shows the unloader valve in a cut away of a 2700 psi homelite pressure washer. Also remove the thin washer and the spring. The pressure level range of pressure washers is quite high. The pressure washer can do different level tasks like cleaning flat surfaces car washing garage driveways concrete or tile patios and the number goes on.

To get the optimum performance out of this machine you need to adjust the unloader valve on the pressure washer. Because they force water at high pressure pressure washers can clean surfaces quickly in comparison to the conventional garden hose. If your pressure washer is not building pressure and the engine is surging there could be a few different causes. It circulates through the pumps in the washer system and comes back to the inlet of the unloader.

Turn on the water in the pressure washer. Remove the nylock nut off the top of the unloader valve and spin the black plastic pressure adjusting knob off. From here we can move on to the actual steps on how to adjust a pressure relief valve on a pressure washer. These five steps can be considered as the preliminary steps that you take before you do the actual adjusting pressure washers.

The main parts of the pressure washer include the motor hose hose reel nozzle detergent injector unloader valves and pressure washer gun. Change set pressure without guesswork the adjustment screw is marked in 25 psi increments for making pressure adjustments without a gauge. Needless to say an unloader valve is a crucial element of the pressure washer. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.

Pressure washer spray tips in this video we ll show you the correct way to adjust the pressure.