Question about Comet BXD2527 Pressure Washer Pump

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Comet 2700 psi, Chemical fitting leaking

I have a pressure washer at work and the bearings inside the pump locked up, I replaced the 6208 and the thrust bearing, After putting this back together, I seem to have pressure coming out of the chemical port, enough to blow the chemical hose right off the machine, I was wondering if anyone had thoughts on this. Thank you.......Dan

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SOURCE: comet 2.5 Gpm pressure washer pump wont **** soap

I have found many comet pumps to be plumbed wrong from the factory. Look on the side of the soap injector and look for the flow arrow, make sure its in the right direction. If it has worked in the past,then take it apart and replace the spring, check ball and seat.

Posted on Nov 04, 2009

  • 60 Answers

SOURCE: pump problems

Are you only using gravity to feed the machines. The law of gravity is that, for every foot of elevation you will get 2 PSI ( pounds per square inch) of pressure. You can figure out the minimum volume that the manufacture requires and make sure that amount is being furnished to the machines. You will probable need to install a pump prior to the machines with a regulated return line to keep the proper amount of water running for optimum performance. Its very hard on the machine not to have the proper volume of water. So to answer your question, i don't believe you'll be able to get 9.5 GPM that the three machine need by simple using gravity. I hope this helps

Posted on Dec 13, 2009

  • 56 Answers

SOURCE: I have a Generac MC660 pressure washer with a

This is a Help forum but you should be able to find a service dealer from Comet. Here is a link to their web site. LINK

Posted on Jan 26, 2010

  • 68 Answers

SOURCE: It will not dispense the soap.

You need to adjust the nozzle on the end of the lance so the machine will draw chemical at low pressure.

Posted on Apr 21, 2010

Testimonial: "Thanks for your help, I will give that a try."

ftw1952
  • 10319 Answers

SOURCE: Low pressure when running.

basicly you can review all these videos and learn how to repair your pressure washer easily. Most have the same valves as shown were the hosses attach to
here is the link to many videos to view below

http://www.google.com/search?sourceid=navclient&ie=UTF-8&rlz=1T4GPCK_enUS397US398&q=pressure+washer+repairing+you+tube

Posted on Jun 18, 2011

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1 Answer

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The chem venturi relys on low pressure to function this is specifically the blue nozzles job, to create a low pressure for the venturi to work.
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Things to check:
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2) Your check valves might not be seating properly. A couple of fouled check vavles will cause either no pressure or pulsing pressure. A good inlet water strainer keeps foreign matter out of valves. But valves do wear out and get build up that keeps them from working right.

3) Your unloader valve might be worn or fouled. Bad unloader would usually show as low pressure ( but more than hose pressure) or low volume out the trigger nozzle.

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Hi. I'm scratch building a pressure washer using a Comet BXD2831G pump. If I don't plan on using any type of detergent, is it OK (or manditory) to plug the detergent intake to keep it from sucking...


No need to plug the injector because under pressure (internal force/pressure) keeps valve shut. It only opens when large nozzle (black tip) is used lowering internal pressure causing siphon effect. Some chemical injectors have a thumbwheel to shut off flow completely. Your plug idea will keep the opening clean for later use. You can adjust pressure by ear. Your pump will take a 6.5 hp engine to develop max pressure of 2700 psi, however, to extend the life of the pump and engine, adjust pressure to about 75 % of capacity or about 2000 psi. To develop 6.5 hp your engine must turn at about 3600 rpm which is over the max rpm of the pump 3400rpm. The rpm of the engine is usually set by using the appropriate governor spring. Easy task, by using the model number and type of the engine, you can determine the proper governor spring and placement on the throttle arm, maybe about 3000 rpm would be sufficient. Now with engine rpm set, turn pressure adjustment up until engine sounds to you like at full labor, then adjust down to a workable pressure for majority of work and turn up for stubborn debris. Good luck with your project.

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1 Answer

Craftsman Pressure Washer 580.752160 reagent/chemical not being dispensed when wand in low pressure position.


It is very common for the chemical injector valve on these to get gummed up from residual soap sitting in the valve. To clean it follow the chemical hose back to where it attaches to the pump. There will be a hex headed hose barb attached to it. Remove the barb from the pump. Underneath it you will find a spring and a ball bearing. Rinse the parts thoroughly and reassemble. You should also check the chemical strainer that goes into your chemical bucket. They can also become clogged and should periodically be cleaned.

Sincerely,
Aron Kerr
Landa Northwest, Inc.
www.landanw.com

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1 Answer

It will not dispense the soap.


You need to adjust the nozzle on the end of the lance so the machine will draw chemical at low pressure.

Apr 13, 2010 | Comet BXD2527 Pressure Washer Pump

1 Answer

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HI your machine would have been delivered with a blanking plug in the pump. You will need to remove this and fit a vented pump or your pump will build up too much pressure inside.

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2 Answers

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I have a Troybilt Model 2200 PSI Pressure Washer in which I have used only 2 times in the past 2 1/2 years. Went to use it this past weekend and the pump in not working. Water shoots out of the side. I bought this brand and model as I thought Troybilt was suppose to be so good. Went back to where it was purchased and had no success but to say I could buy another pump or take it in to be repaired. I believe that this power washer should be replaced at no charge. 2 uses does not constitute a few hundreds of dollars.
Have you to heard anything concerning pump problems on this particular model? Thanks for any advice. .

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1 Answer

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I dont know which comet pump you have, but it is just easier to get a new pump from one of the pressure washer companies on the internet and they sell them on ebay. You can also probably get a better pump that will fit your engine as well. Also, have you tried just changing the oil and not fill it too full? On my 5000 lb washer, if i fill the oil too high when I change the oil, it will foam some. Hope this helps you, Rick

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