Best way to clean a Check Valve

My pressure washer had some virbation, took out check valves and one is not seating right. I can suck air thru it. I tryed to see if any dirt is in there but looks clean. Also try some chem for about 3min.

Still not working right, any ideas of how to clean it?

Replace them.

Pump Check Valve cleaning & inspection

a very small piece of debris is all it takes to lose pressure.
Push the poppet all the way open with a screwdriver or a pen, and blow through the valve seat.
this is usually all it takes. If they bleed air AT ALL when you suck on them, REPLACE them.
Whilst yer there..
make sure there's no wear at the inside edges of the poppet-cage, where the poppet touches the cage.
The inlet valves wear sideways, as the sit sideways in the pump head.
If the valves are fine, but inlet valve cages are showing wear, switch 'em with the outlet valves..
it's like rotating your tires.
..And.. don't forget to check the o-rings under the check valves..
They flatten from wear, and allow pressure loss too !
Oh whatda heck.. ..while you're at it.. check for cracks in the head under those valve-seat o-rings too.
:{)

Up a little early arent you Jerry? That's dedication for you!

Jerry never sleeps.

Technical help via blog

I sleep like a ROCK
..and snore like a 10ft bow-saw

I spend time on this to benefit the community:
1. the more you know what to ask a service center for, the less frequently you get "overcharged.:duck:
2. the more I explain the details.. the easier YOU "survive" middle-of-the-night downtime.
3. the more you respect my experience, the better the possibility I'll get to SELL SOMETHING. :wave2:
4. ..and.. I LOVE building "fancy Race-Cars" ..and of course..getting the "WOW" phone-calls .
:{)

Jerry what causes the o rings under the check valves to rip in half from time to time?

Kiloman said:

Jerry what causes the o rings under the check valves to rip in half from time to time?

Click to expand...

Rip in half like a cross-cut ?
..I suggest looking for a crack in the head under the o-ring.

If the o-ring looks like it has overheated and Oozed sideways..
Cavitation causes that.. especially running it with a partially-clogged filter.

Thanks i have since plumbed it through both ends and went from and 80 mesh to a 50 mesh.I think this will fixer up thanks again.

Do many of you run dual feeds to both ends of the pumps? We are thinking about installing a water pump that will feed the washer from our holding tank to build more pressure and help things last longer.

The danger with booster pumps is... when they fail..
..they become flow restrictors. :{/

I guess we could add a vacuum switch to kill the engine, or sound an alarm. Eh?

Oh geez.. here comes Nigel again !! LOL

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