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Posted on May 11, 2010
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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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Kelly

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  • Master 3,740 Answers
  • Posted on May 12, 2010
Kelly
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Joined: Jan 01, 2010
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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

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0helpful
1answer

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!
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Feb 23, 2011 • Karcher Garden
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I have cleaned and greased the spill valve on my 2400HH multiple times. I replaced the O rings on it and replaced the wand. High pressure mode still rare. If I start the engine, remove the nozzle on...
You purchased the wrong o-rings, the o-rings that you purchased are for the hose ends. Karcher doesn't offer the o-rings for this valve but do offer a replacement unloader valve. See attached link to read more about the revised valve or to purchase
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Sep 04, 2010 • Honda Karcher G2400HH-R Pressure Washer
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Do I need to put pump oil on this k2400 I mean the
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Dec 21, 2009 • Alfred Karcher K2400HH 5 Hp 2.5 Gpm @ 2400...
1helpful
1answer

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
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Dec 15, 2009 • Alfred Karcher K2400HH 5 Hp 2.5 Gpm @ 2400...
4helpful
1answer

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.
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Jul 14, 2009 • Karcher G3025OH Pressure Washer
0helpful
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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.
Read full answer
Jun 03, 2009 • Karcher 2500 PSI Pressure Washer
22helpful
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Karcher K 2400 HH Pressure Washer no pressure
http://www.landanorthwest.com/documents/instructional/spill_valve_instructions.pdf
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Jun 02, 2009 • Karcher 2500 PSI Pressure Washer
0helpful
1answer

Need to clean the unloading valve the tech said to get to it you take out 2 screws. which 2 screws and what is the best way to clean it.
http://www.pressureparts.com/TreeView.aspx?node=71067&node1=71068&anchor=71068#71068

go to this site, select the model and you will have the info you need.
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May 07, 2009 • Alfred Karcher K2400HH 5 Hp 2.5 Gpm @ 2400...
0helpful
1answer

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
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Mar 23, 2009 • Alfred Karcher K2400HH 5 Hp 2.5 Gpm @ 2400...
1helpful
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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.
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May 02, 2008 • Karcher 2500 PSI Pressure Washer
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