Question about Karcher 2500 PSI Pressure Washer

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Replace pump on a darcher k2400 hh pressure washer

I have a karcher K 2400hh model pressure washer. I want to replace the whole pump assembly from the engine out. i have taken off the 4 bolts that attach the assembly to the engine. Looking at the replacemtnt pump. I t looks like there is a key on theshafe. How do I get this pump assembly off the engine

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There is a bolt item 8 below on the very end of the drive shaft that has to be removed before you can remove the pump assembly.

See page 16 item 8 of this Manual: (<-click and download

Then you should be able to remove the pump.

Thanks for using FixYa.

Kelly

Posted on May 12, 2010

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Posted on Jan 02, 2017

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I have a K2400 HH pressure washer. When I started using the machine this year, the pressure would last for a moment or two than quit. When I would shut off the pressure and wait a few minutes and start...


sounds like a weak or worn out unloader valve spring.



MODEL DESCRIPTION PRICE SN-060-216 Pressure SpringKarcher/53323910 $5.90cart.gif


You can find parts online through Karcher or Ebay if you wish.

I hope this helps!

Feb 23, 2011 | Karcher Garden

1 Answer

Do I need to put pump oil on this k2400 I mean the


the water should take care of lube and cooling. word of warning...absulutely,positively,do not run this machine without water hooked up and running thru the pump. just a minute without water,and the pump will be junk!!!

Dec 21, 2009 | Alfred Karcher K2400HH 5 Hp 2.5 Gpm @ 2400...

1 Answer

REMOVE PUMP


Look for a black plastic cover with a silver snap on top; pry off the silver snap and lift off the plastic cover; next remove the two screws on the top plate then pull out the piston inside - if unable to lift out, start unit and watch it pop out - coat piston with lithium grease and reinstall.

The sticking pressure relief valve is somewhat common with the Karcher 2400HH series pressure washer, it is caused by hard water and lack of grease on the pressure relief valve. To remedy the problem, use silicone (plumbers) grease to lube the o-rings on the unloader valve part# 4591040 (karcher calls it a spill valve on the parts list) You can click on the link below for more help. A helpful note, if you store your pressure washer for long periods of time, than you should draw anti-freeze into the pump for storage... make a short 2' garden hose and connect it to the inlet of the pump, with a funnel stuffed into the end, poor anti-freeze into the hose and start the engine, this will draw the solution into the pump and protect it from corrosion and keep all internal parts lubricated (plus keep the pump from freezing).

Here is a link that might be useful: Pictures of the Karcher 2400HH Spill Valve


Dec 15, 2009 | Alfred Karcher K2400HH 5 Hp 2.5 Gpm @ 2400...

1 Answer

No pressure / Karcher G 2400 HH


Hi ruthkapres:
Here is a diagram. The unloader/spill valve is #12 on page D2 or F2 depending on your model. You must pull it out, inspect the o-rings for dents or tears and make sure the valve is lubricated with a good water proof lubricant.

Jul 14, 2009 | Karcher G3025OH Pressure Washer

2 Answers

Removing unloader valve


If you can't get it out with needle nose pilers try turning the garden hose pressure on and the water should pop it out.

Jun 03, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

Karcher K2400 pump is cycling on and off during operation


if this is occers when at rest it could be the pump non retern valve, witch will be just in side tghe machines outlet behine the chemical injector, you will need to unscrew the injector and the valve sits behind it, if this happens when at use it could be a blocked nozzle

Mar 23, 2009 | Alfred Karcher K2400HH 5 Hp 2.5 Gpm @ 2400...

2 Answers

Gas pressure washer


I have the same problem with a Karcher 2400hh.
Go to: http://www.wmpcs.com/index.php?main_page=page&id=14
they have the best diagrams and answerss that I have found.

May 02, 2008 | Karcher 2500 PSI Pressure Washer

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