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Washer has weak pressure - Comet GXD2527G Pressure Washer Pump

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K5 Premium Eco weak pressure

first time use may be sticking valves inside pump head or poor assembly. run for 10 mins first to see if it fixes itself. then remove cover and remove each valve and inspect, it should be obvious.
reply with pump head photo if more information needed.

Mar 29, 2014 | Karcher Garden

1 Answer

Weak pressure

seals may be worn although a high speed pump is not normally recommended for siphoning due to pump rotating at an rpm as fast as the motor belt drive gear drive or slower rpm pumps will siphon much better.

Dec 30, 2013 | Garden

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Weak Pressure. I have the power washer running for a few minutes, then I go to pull the trigger on the wand and I only get about 1-2 seconds of full force pressure. The machine is still running (not as...

Check for a clog.

take the hose off the washer pump and start it. if you have good water pressure then you may have something on the hose or the wand. I had a lizard in mine that caused that problem before.

Sep 11, 2013 | Karcher Garden

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Low pressure from pressure washer

sounds like the pressure relief valve is stuck inside the pump

Aug 06, 2012 | Craftsman Garden

1 Answer

Pressure washer pump has good pressure than weak pressure

sound like the pressure regulator valve is hanging up

Mar 25, 2012 | Garden

1 Answer

Replaced al of the valves but still will not operate on high preasure. Will build to high preasure only for a couple of seconds then back to low preasure.

your bypass pressure valve is weak and needs replacing,its letting water pressure bypass the pump going to the pressure gun

Aug 05, 2010 | Northstar Pressure Washer 3000 PSI

1 Answer

McCulloch FH160G Pressure washer has a weak spray. Unable to locate my owners manual. your owners manual. Most likely the gun needs replacement or you can take it apart and replace the necessary o rings. These are common issues with this type of pressure washer.

Apr 21, 2010 | McCulloch FH160G Pressure Washer

1 Answer

When I release the trigger it "idles" fine, but when I re-engage

I have seen this problem alot and it can normally be rectified by clean out your unloader/bypass valve the orings on this valve get damaged as jerr said by leaving hoses and trigger pressurised, the easiest way to test if it is a faulty unloader valve is to do as you say it does and when it is on its weak stream turn your nozzle to detergent or low pressure mode then back to high pressure it should kick the pump back in...

If you do not have low pressure(chemical applicator) on your nozzle you may be able to remove the front half of your lance to achive the same result...

Kind Regards

Aug 04, 2009 | Briggs & Stratton Power Products 1539...

1 Answer

I have NorthStar 2000 psi pressure washer with a

1999 campbell hausfield 1800 psi--2.2gpm. weak pressure at the nozzle. water sprays out, but with the pressure of a garden hose.

Mar 20, 2009 | Garden

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