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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 12592
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: 6 months ago.
Category: Small Engine
Expert:  Briggs-Fan replied 6 months ago.
Hi my name is ***** ***** welcome to Just Answer. . What is the make and model of your pressure washer
Customer: replied 6 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 6 months ago.
Was it stored outside where temperatures can get below freezing ?
Customer: replied 6 months ago.
Customer: replied 6 months ago.
I also drained the pump
Expert:  Briggs-Fan replied 6 months ago.
How did you drain it , did you use a pump guard or antifreeze?
Customer: replied 6 months ago.
antifreeze
Expert:  Briggs-Fan replied 6 months ago.
Ok well that should cover anything freezing
Expert:  Briggs-Fan replied 6 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 6 months ago.
I bleed it through
Expert:  Briggs-Fan replied 6 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 6 months ago.
ok what should I do now
Customer: replied 6 months ago.
it did the same thing last year then started working
Customer: replied 6 months ago.
is their a way to lube the pump
Expert:  Briggs-Fan replied 6 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 6 months ago.
ok is that the brass plate on the bottom of the pump
Expert:  Briggs-Fan replied 6 months ago.
It will be the bolt with the spring , I need the model number to pull your exact pump
Customer: replied 6 months ago.
model g 2600 pc
Expert:  Briggs-Fan replied 6 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 6 months ago.
ok thanks I will take a look
Expert:  Briggs-Fan replied 6 months ago.
Ok let me know if the tip is free to retract etc