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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 12892
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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My gas power washer has very little pressure.it pulsates

Customer Question

my gas power washer has very little pressure.it pulsates when I pull the trigger
first time used this year
Submitted: 10 months ago.
Category: Small Engine
Expert:  Briggs-Fan replied 10 months ago.
Hi my name is ***** ***** welcome to Just Answer. . What is the make and model of your pressure washer
Customer: replied 10 months ago.
I also checked mesh hose filter and the gun every thing is clear
it is a2600 psi karcher
I do not have the model it is 3 years old
Expert:  Briggs-Fan replied 10 months ago.
Was it stored outside where temperatures can get below freezing ?
Customer: replied 10 months ago.
Customer: replied 10 months ago.
I also drained the pump
Expert:  Briggs-Fan replied 10 months ago.
How did you drain it , did you use a pump guard or antifreeze?
Customer: replied 10 months ago.
antifreeze
Expert:  Briggs-Fan replied 10 months ago.
Ok well that should cover anything freezing
Expert:  Briggs-Fan replied 10 months ago.
When your hooked up the water did you let it bleed the air out by holding the gun open and letting the water flow before starting
Customer: replied 10 months ago.
I bleed it through
Expert:  Briggs-Fan replied 10 months ago.
Ok , so it could be the unloader valve , but my concern is you have pressure but it pulsate which could be a issue with the pump pistons or seals
Customer: replied 10 months ago.
ok what should I do now
Customer: replied 10 months ago.
it did the same thing last year then started working
Customer: replied 10 months ago.
is their a way to lube the pump
Expert:  Briggs-Fan replied 10 months ago.
You can pull the unloader valve and make sure the end is free to go in and out , it should have a tip you push in and out
Customer: replied 10 months ago.
ok is that the brass plate on the bottom of the pump
Expert:  Briggs-Fan replied 10 months ago.
It will be the bolt with the spring , I need the model number to pull your exact pump
Customer: replied 10 months ago.
model g 2600 pc
Expert:  Briggs-Fan replied 10 months ago.
Parts 1 through 7 are the unloader valve in this diagram http://www.ereplacementparts.com/karcher-2600-11071110-gas-pressure-washer-parts-c-33388_33389_173286.html
Customer: replied 10 months ago.
ok thanks I will take a look
Expert:  Briggs-Fan replied 10 months ago.
Ok let me know if the tip is free to retract etc

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