Pressure washer pump repair?

/ Pressure washer pump repair? #1  

kebo

Elite Member
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May 16, 2006
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Location
Lexington, SC
Tractor
2001 John Deere 790 4x4, bar tires
Are there any places that can repair the pump on a pressure washer? I have a Troybilt unit with a 3000psi pump that seems to have crapped out, a new one from TB is right at $220, plus shipping. Was wondering if there was somewhere I could send it to for repair? I know, most of them are not worth it, but if I could get it repaired for about $130 or less, I might be willing to go that route, especially if they give a like a 30 day warranty. Thanks.
 
/ Pressure washer pump repair? #2  
When mine went out the pump was $200 plus shipping..........just for the pump.....I used the motor elsewhere and bought a better washer.
 
/ Pressure washer pump repair? #3  
For future reference dirt andparticulates eat those this up. I installed one of those whole house filters on mine.
 
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/ Pressure washer pump repair? #4  
Are you sure it is the pump and not just a stuck unloaded valve?

L2800 w/FEL - 72" Land Pride rake
 
/ Pressure washer pump repair? #5  
If its axial cam pump,I'm afraid you're out of luck,if triplex type,they can be repaired.
 
/ Pressure washer pump repair?
  • Thread Starter
#6  
Are you sure it is the pump and not just a stuck unloaded valve?

/QUOTE]

Not sure what you mean? I just know that with no high pressure hose connected to the pump's high pressure outlet, the water pressure coming out of it is no more than what it is coming out of the faucet, with the motor running wide open. I feel sure it's the pump itself.
 
/ Pressure washer pump repair?
  • Thread Starter
#7  
If its axial cam pump,I'm afraid you're out of luck,if triplex type,they can be repaired.

How do you tell which design it is?
 
/ Pressure washer pump repair? #10  
Mine did that once also after setting up for several months. I kept messing with it, starting, stopping, pressurizing, depressurizing and if finally started working. At first it would surge to high pressure then back to low pressure. I think it was the high pressure unloading valve that was stuck and finally broke loose. After a few minutes of surging and me clicking on and off on the wand, it started working normally.
 
/ Pressure washer pump repair?
  • Thread Starter
#11  
What is the model number?

L2800 w/FEL - 72" Land Pride rake

The model number on the nameplate is 020316, the motor is a B&S 8.75hp 190CC. As I mentioned, the pump is rated for 3000psi.
 
/ Pressure washer pump repair?
  • Thread Starter
#13  
Thanks for the link, and the other info fellows, you guys are aok. :thumbsup: Also been watching some vid's on youtube about repairing pressure washers. I suppose the unloader valve could be stuck open? On the picture of my pump, is the unloader valve that threaded shaft with the spring around it, down on the bottom of the pump? Or is that something else, maybe it sets the amount of pressure? If that is the unloader valve, would it be worth it to loosen it, and run it in and then back out to the same point? If it's not the unloader valve, does anybody know where it is at?? Sure would like to get this thing going by next weekend, got some time off and would like to do some cleaning up with it. Thanks.


Pressure washer pump 002.jpg
 
/ Pressure washer pump repair? #14  
I'm not familiar with that pump but when you find it you should take it apart and lubricated with white lithium grease.

L2800 w/FEL - 72" Land Pride rake
 
/ Pressure washer pump repair?
  • Thread Starter
#15  
Well, thanks to the link provided earlier by JimRB, if you scroll down there is an exploded view of the pump that does show that the threaded shaft with the lock nut and the spring underneath it is indeed the unloader valve. It's listed as Item A, "Unloader Kit", and if you zoom in, you can see where it's located at on the pump body. It also says it is a serviceable part. Guess I will see about taking that puppy out tomorrow and see if there's anything obvious wrong with it. I will load it up with grease for sure and see what happens, I can't make it any worse, right?

http://www.ppe-pressure-washer-parts.com/files/1961581/uploaded/020316 ipl.pdf
 
/ Pressure washer pump repair? #16  
Thanks for the link, and the other info fellows, you guys are aok. :thumbsup: Also been watching some vid's on youtube about repairing pressure washers. I suppose the unloader valve could be stuck open? On the picture of my pump, is the unloader valve that threaded shaft with the spring around it, down on the bottom of the pump? Or is that something else, maybe it sets the amount of pressure? If that is the unloader valve, would it be worth it to loosen it, and run it in and then back out to the same point? If it's not the unloader valve, does anybody know where it is at?? Sure would like to get this thing going by next weekend, got some time off and would like to do some cleaning up with it. Thanks.


View attachment 381047

If that picture is your pump, it's a axial cam pump.

Unfortunately these do not last that long. I wouldn't put money into this unless you find a good deal. I would put the money towards a better PW w/ a triplex pump (preferably a CAT triplex).

I found a nice used heavy duty PW w/ a CAT Triplex pump for about the price of a new cheap PW w/ an axial pump on Craigslist.
 

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