Question about Craftsman 2700 Max Psi Pressure Washer 23 Max Gpm

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How to adjust unloader valve on craftsman 2700 pressure washer

Pressure seems to be low

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

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LandaNW
  • 45 Answers

SOURCE: Craftsman Pressure Washer 580.752160

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

Posted on Mar 10, 2011

Testimonial: "I had already disassenbeled & cleaned the spring/ball bearing. I found that, by removing the wand I freed up the restriction."

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1 Answer

The engine cuts off when i squeeze the handle on the sprayer, what is causing this to happen?


Sounds like a bad unloader valve. Do a search on "pressure washer unloader valve symptoms". When they are faulty there will either be little pressure or it will stop an engine abruptly. The engine will not just die down as it you were turning it off. It would stop cold.

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1 Answer

How to adjust the unloader valve.


With a pressure gauge. If it's a home duty model it can usually be turned all the way in without damaging anything. Try turning it all the way in and fire it up. If the engine/motor doesn't groan or stop, you're probably okay. If the unit stops or slows down when gun is closed, immediately open gun, then shut down. With unit off, back off on unloader setting and set with pressure gauge, or have it done by a professional.

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1 Answer

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possibly have worn seals inspect them and also unloader valve which normally has a spring

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1 Answer

Do the spring end caps inside the 315747GS unloader valve face the spring or the ends of the valve


This parts diagram for the pump should answer your question http://lawnandgarden.manualsonline.com/manuals/mfg/craftsman/580751651.html?p=22

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2 Answers

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Water comes out the nozzle, but low pressure? ( more than when the motor is not running)
I would check the check valves and the unloader.
If the amount of water coming out the nozzle is the same when the motor is running or not running.
Either the key that connects the motor shaft to the pump shaft is sheared, or the pump is trash.
No water comes out the nozzle would indicate a clogged inlet filter or blockage at the gun valve or nozzle.

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2 Answers

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Hi Mike
You could have one are two problems with the pressure washer.
1...pump for pressure washer worn and needs washer/seal replacement.
2...Need to adjust the pressure discharge relief valve to the needed pressure.
Please take time to rate me
Bud

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1 Answer

How to replace unloader valve


almost all pressure washers have the "unloader valve very accesable on the side of the unit. look for a brass valve body that appears to have at least 2 barrels. disconect water lines and remove the attaching fasten.ers. install is reverse of removal.

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1 Answer

Craftsman gas powered pressure washer kills motor when you release wand trigger.


The unloader/bypass valve is jamming or defective. When you are not pressing the button the water is directed through the unloader valve/check valve to recirculate.It is common for them to corrode or for the spring to break.If it has an adjustment screw on the unloading valve for unloading pressure make sure you count the turns before disassembling it to make sure you dont over pressurize it.It is not opening causing the engine to choke out.Please let me know if this helps

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1 Answer

25 gal horizontal craftsman air compressor is leaking at the pressure control valve. Can I replace the valve or repair it?


Unloader valve probably needs to be adjusted. Should be two jam nuts holding the unloader to the pressure switch. Loosen the jam nuts and adjust the unloader slightly away from the lever. Tighten the jam nuts and try it again.

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1 Answer

Mi TM 2700 pressure washer has no pressure.


With the water on, to the washer and the unit running. Does the water come out at the same rate before the trigger as at does after the trigger (run test with spray nozzle removed). Its not impossible for unloader valve to be bad but it usually is a dependable component. Make sure the unit has the air purged from it properly before start-up, make sure there are no obstructions before the trigger, then the nozzle. The unloader valve just puts the pump into by-pass until the trigger is depressed.

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