Why does my power washer handle leak?

If your power washer is leaking water directly from the pump, and there is no noticeable damage (such as a crack) on the pump, it is likely that the internal piston seals are worn or broken. A leaking pump suggests that one or more of the seals on each piston has broken or worn and is letting water escape.

Sometimes, pressure washer shuts off due to the problem with the O-rings. Your unloader valve has O-rings that are generally known as washer or seal. If the O-rings are torn out, deteriorated, or in a poor state that is not enough to seal the oil pump, it may fail your unloader valve to work properly.

how does a pressure washer gun work? When the unloader senses the demand for water, it sends the water to the gun and bypasses only a small amount. When the trigger is released again, the spring and water pressure seal the ball to the seat and the unloader cycles back into by-pass. Most pressure washers come equipped with a pistol style trigger gun.

One may also ask, how do I change the O rings on my pressure washer?


  1. Disconnect the spark plug.
  2. Sort the O-rings.
  3. Remove the high-pressure outlet fitting.
  4. Install the O-ring on the outlet fitting.
  5. Reinstall the high-pressure outlet fitting.
  6. Remove the unloader valve.
  7. Install the new O-ring on the unloader valve.
  8. Reinstall the unloader valve.

How do you clean a power washer nozzle?

Cleaning Nozzles

  1. Turn off the unit.
  2. Turn off the water supply to the unit.
  3. Relieve any pressure trapped in the hose by squeezing the trigger 2 – 3 times, then lock the spray.

How much is a power washer?

Electric Pressure Washers Electric washers have a range of 1,300 to 1,400 psi and are best for washing cars, grills and garage floors. They can cost around $90 to $200 depending on the pressure you need. They are quiet and portable so you can quickly clean your driveways and decks.

How do you use a Gerni high pressure cleaner?

Simply connect your garden hose to the unit, plug it in and squeeze the trigger and you’re good to go with some serious cleaning power from the high pressure hose. It has wheels to make it easy to move around, all its nozzles and accessories attach with a click and they’re all compatible with any Gerni machine.

Why does my pressure washer keep stalling?

The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the pressure washer for a long period of time. This sticky fuel can clog up the carburetor and cause the engine to run stall. If the carburetor is clogged, try cleaning it with carburetor cleaner.

Why has my pressure washer lost power?

A common cause for lost water pressure is when the nozzle at the end of the trigger-wand becomes worn or plugged. An uncommon spray pattern may be an indication that there is debris blocking the nozzle. Nozzles that are wearing will usually cause a gradual loss in pressure, as opposed to happening suddenly.

Why does my power washer keep surging?

Water flow may be restricted to the pressure washer. Check that all hoses are free of kinks, leaks, or blockage. If the nozzle has even a little bit of dirt in the tip, it may cause enough obstruction for the pressure washer to pulsate. If your pressure washer came with a nozzle cleaner, use it to clean the tip.

Why is my power washer pulsing?

My Pressure Washer Is Pulsating This issue is almost always caused because of a dirty inlet or discharge valve. If your inlet and discharge valves are clean, then the plunger is the likely the cause of the pulsating, especially if you have low pressure while this is happening.

Is it OK to run a pressure washer without water?

If the engine is running just fine and has been running, and you’ve ran the pressure washer without water running through the system, this can certainly damage the Pump; it needs water circulating through it or it can damage seals, gaskets and other components. If not, then the Pump may need to be replaced.

How long can you run a power washer?

To avoid damaging the pump: Never run a washer longer than three to five minutes (depending on the model) while the trigger is off. With the washer running and the trigger locked “off,” adjust pressure and spray settings, or insert nozzle tips in the spray wand. Now the washer is ready to use.

Can I use any soap in my power washer?

When it comes to detergent for a pressure washer, not all soaps will work. Most of the time, because of the water to soap ratio, it is recommended that you use a concentrated detergent to ensure it is strong enough to cut through the toughest grime.