How to dismantle a Karcher K2 pressure washer
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- Опубликовано: 21 ноя 2019
- So I broke my pressure washer!
Is it worth repairing?
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I have to warn you that I have no formal electrical training, and have just learned by breaking stuff. If you can learn anything from my mistakes then great, but you do so at your own risk! 
Хобби
Thanks! Had an issue that turned out to be water in the electrics but your strip-down helped me get into it to find and sort the problem!
Thanks, no problems. Glad it was of some help 👍.
Great video. Gives me the confidence to take my K3.99 apart as I think the thread has gone on the high pressure outlet.
Thanks, good luck sorting it out 🤞
A company I used to work for used Karcher Professional floor care equipment, and the machines were unreliable. The B 300 RI sweeper-scrubber machine starting developing hydraulic leaks when the machine was only 4 years old. The KM 90/60 battery powered sweeper developed a drive problem that put the machine out of service for over a year, and the dust control filter design was also faulty. Don't even bother trying to fix that pressure washer and avoid Karcher at all costs!
They don't seem to have a good reputation do they.
U could have used sand paper to scuff up where and around the crack and j&b weld it and it would have been good as new i just did mine yesterday and wonted to use it before posting works great ive ran it for over 2 hours today hope this helps somebody!! It was gave to me 6 years ago its been the best power washer i use it over my gas washer if its something small like car truck van its so much easer to let off the trigger and it goes off stops runing !!
@@rickybailey7123 Thanks, good work 👏
Thank you for producing this. Helped me enormously.
Thanks, no problems 👍
That's a common problem on Kercher washers.
Inlet, outlet and head unit made of plastic. If you leave the pressure washer outside during the cold winter times, there is a little amount of water in the plastic parts and when it gets cold and freezes, plastic parts crack.
Latest models have ALL metal parts.
I know, fixed enough machines.
Cheers, Larcs.
so what is the parts name? my one is K5 leave it outside one night it happend
Many thanks for this video. It looks like my issue is identical yours. Fortunately I have an old karcher pump kicking about with a replica part so I should be able to repair my machine. Thanks again
Thanks for the comment 😁. Good luck with the repair, keep us all updated with how it goes.
Cheers Larcs 👍
Les pompes de karcher ne durent pas dans le temps.
De plus les pièces détachées dont de prix exagérés.
Alors on balance et on rachete c'est tout du n'importe quoi
Il faut y mettre le prix et acheter des nettoyeur avec des pompes en bronze .
A savoir que karcher ne sont pas unique sur le marché.
Epoxy resin in and around the crack would be a good shout, I'd be surprised if it didn't hold.
Worth a try if you're going to replace it anyway, you've nothing to lose!
Trust me it wont
@@gowdsake7103 I just repaird a k2 karcher pressure washer last weekend this way and trust me it did! Used it to wash my car and van, and pressure wash the drive, not a leak in sight!! Try it you'll soon find out👍
@@dannym670 It will last maybe a year or 2 then you will have to spend on it again
Cheers, Larcs.
Great video with all the details I need - I’ll give mine a go and let you know how I got on! Thanks 😊
Thanks, good luck sorting it out 🤞
And tell us
Very informative video! Thanks!
Thanks, I've actually got some parts together to hopefully fix it sometime. I'll do another video of it, hopefully it will be a bit better quality 😁.
Cheers Larcs 👍
Hi Lancs, just updating you on the plastic welding venture that I carried out on the hairline crack.
The nylon cable tie gave way few days after using as welding.
I think it has to be the PT66 welding rod for it to work.
Thanks for keeping us up to date 👍
Perfect explanation, you're 10 points perfect thank you nice
Thanks, no problems 😃. That's very kind of you to say so 👌.
Cheers Larcs i
Thanks for the upload.
Cheers, Larcs.
I now have the problem with my K2.38M model. It has been standing indoors in a cupboard for over 4 years and when I went to use it the other other day it just pulsed all the time but didn't appear to have any internal leeks. I haven't got all the necessary tools required to dismantle this model and Karcher wants £120 to service it. I can get a new, more up to date one from Amazon for about £100 so I will do that.
Considering how little I have used my 9 year old Karcher they don't seem very robust. It has been cosseted and cleaned but the internals clearly don't last.
They don't seem very well built.
I have two of these Karcher units. They both have the same identical issues too. I jb welded the first one about 10-15yrs ago. Has held up well. Have not torn apart the second yet.
Decided to watch this video to remember what the heck is inside, practically identical to what I remember.
I personally would not buy this brand ever again
Thanks for the comment 👍
Hiya boss. My jet wash is back to full strength. Nice one. Thanks
Thanks, glad it was of some help 👍
Great video, thanks for posting. I have same model but problem with trigger gun. Any tips how to get inside? Have removed 3 screws but rest seem to look like plastic rivets that won't budge!!
Thanks 👍. I haven't looked at the gun really. My parents trigger sometimes sticks so I need to have a look myself sometime. If I remember, I'll record it.
Cheers Larcs
Thank you. I love to hear the English speakers as well, all the way over here from the Americas:)
Thanks for the kind comment Carlo v.
Nice to hear that the video's reach all the way over there :0)
Hope you can understand my Wurzle accent too ;0)
Cheers Larcs.
I've got 3 different models of Karcher, all working well. but I wanted to see what was inside. The price of Karcher spare parts seems too much, so if the machine is old and worn, it would be more economical to buy a new one if a simple repair doesn't work.
Thanks for the video.
Buy a Titan from screwfix far better and cheaper !
@@gowdsake7103 Yes, looks good for £85 but go to the Screwfix Titan reviews and sort from Worst to Best and see that many people have problems with the HP hose splitting, the tap connector breaking off and no detergent mixing from the bottle. 2 year warranty so I suppose you can just keep going back for a replacement.
@@Toob41 Hp hoses blow of a lot of washers . My tap connector is brass I cannot see that breaking but I will wait to see, So far the Titan wipes the ass off Karcher tho
Cheers, Larcs.
I got a Karcher K3 project. It has a hair line crack in exactly the same location as the one you have. However, rather than replacing the part I'm going to try and plastic weld the crack. No point in trying any glue as in my experience, all type of glue for home use are rubbish for this type of repair.When the plastic welding rods arrive I will give it go. I got one K3 going and I hope I have good fortune with this K3.
Sounds like a great idea, hope it works 🤞.
Please could you keep us all informed how you get on?
Cheers Larcs 👍
@@LarcsWorkshop Definitely, will keep you posted.
@@neurosurgeon1261 Thanks 👍
Great vid thanks! One of the pistons has rust on the top - that goes into the plastic part. Where those 3 rubber washer rings are is where my Karcher is leaking.. I guess new rubber seals would be a good idea to replace, however I think I'll try a clean up and re-grease and see how it performs...I have some thick silicone grease for sealing it but I think it's too thick for the pistons against the rubber.. Maybe silicone oil on that bit? Or Lithium grease?..
Good luck 🤞, as long as the grease is ok with the rubber it's worth a try 👍.
Cheers Larcs
@@LarcsWorkshop Hi thanks! I used silicone grease NLGI 3 quite thick. Unfortunately it didn't work so well; still leaks. I h=guess it's the age of the rubber and it's probably gone hard and shrunk. I reckon new seals will probably do the trick. I'll have to search for some...
@@christianxander7953 random but helpful to me too thanks! lol
@@jonnyware9061 I'm going to revisit mine one day too.
@@LarcsWorkshop ha ha ha HARVARD
My 1900K model was a nightmare to get into the machine. This model isn't as easy as the K2. I gave up and bought instead a powerful second hand gas with 2700 PSI and very simple, replaced a tire and the rip cord and it cost $80 and did a 360 sq deck and stairs in no time. Not one of the local dealers carry the parts or service the Karcher despite being an authorized dealer.
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Had a k2 go wrong, bought all the spares from karcher dealer but no one at karcher would tell me the grade and quantity of oil for the pump to reasemble so I threw it away and bought another brand
15w40, according to ruclips.net/video/RJJG5GwwtMM/видео.html
Cheers, Larcs.
Its like dealing with LUCAS, the Prince of Darkness. Get some light. LOL
Working on it, thanks 👍
Hi Larcs,
The plastic welding rods arrived but unfortunately they were not the type of plastic that the manifold was made from, PA66 FA.
Can't find anything around the house made out of PA66 so I decided to mold the hair line crack with the welding iron.
Not a bad outcome but now the nipple of the detergent tube won't sit as it should.
Probably use a good waterproof glue to permanently glue the nipple unit.
Just seen your other reply 👍
The tie cable ( made from nylon) did the trick, the hair line crack nicely welded.
However, I'm thinking of completely welding the detergent nipple because water is leaking from around it.
Here's something that you might be able to shed some light on. You have the spring valve that the detergent nipple sits on ( I'm taking about the manifold assembly) .What I observed that the spring valve does have its coil about it but when the nipple sits on it the valve becomes rigid. Is that normal? I can't see how the valve will maintain its coil ( springness) when the nipple is pressing down on it.
@@neurosurgeon1261 . Sorry it's such a long time ago I don't remember.
Had same problem I assumed water had froze in it while stored in shed , scrapped it bought a vax power washer , a lot better machine metal pump...😉
Cheers, Larcs.
HELPFULL
Cheers, Larcs.
How did you manage to fix the piston back , i am having probelm putting in back the spring tention and the tube connection are tough.
I can't remember now, I thought it just pushed together? Sorry
Here's a thought, I think the plastic ties are made from nylon and PA66 I think is nylon. I'll give it go with a plastic tie.
I've used cable ties to plastic weld bumpers so it's worth a try. Good luck 🤞
@@LarcsWorkshop The welding iron was actually bought for repairing a crack on the bumper.
I took an interest in Karcher pressure washers only last week.
@@neurosurgeon1261 👍
Please please be very careful with the fan if you’ve got it apart. I damn near lost a finger from this. Was testing the pump. Hands no where near this when it’s plugged in and out of the housing.
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Excellent video and well narrated! Shame on Karcher producing rubbish product! I have exactly the same probem and will now buy a new one as well! Parts are prohibitively expensive ! And more unnecessary landfill
Thanks, so true, and such a shame.
Cheers Larcs 👍
At 8:48 the motor body is full of gunk. Most K2 Karcher motors run in a bath of engine oil. It looks like the oil has emulsified and so expoxying the cracked valve isn't the only repair, the whole motor needs a clean and rebuild. Most Karchers end up in a skip, Karcher should set up a free return system so they can recycle the plastics. The Karcher sales channels are full of refurbished Karcher offers because they get so many warranty returns!!
Don't be put off by the look for the oil inside the unit, drain it out and replace it. Do not use engine oil though you need to use proper pressure washer pump oil that is detergent free.
Cheers Larcs.
So its a DOGS DINNER..
Great video, biggest problem is when they are left in frost always store them in a warm area.
Very true, that is what probably happened to this one as it was just stored in the shed.
Cheers, Larcs 👍
Mines got a leak from the on and off dial.any ideas on what to do?
All you can do is to take it apart and find out where it's coming from. Good luck sorting it out 🤞.
Cheers Larcs 👍
Pls I want to know how to disassemble karcher 550m pressure washer
Sorry, I have never worked on one of those.
Hello,I do have the same issue. I have seen the leaking in my pressure washer. In eBay, it's around £30. Is there any possibility of applying good strong glue to cover the block?Thanks.
You could try gluing it but I wouldn't hold out much hope due to the pressures involved. It could be worth a try though. You would have to made sure everything is dry and squeaky clean. Not sure what glue to use? Good luck and keep us informed on how you get on please.
I have the same problem. Crack at the same spot. When I blow to the high pressure outlet I can see babble coming out the crack
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@@LarcsWorkshop bought the broken pressure washer for parts, just changed the head, all is working fine! $40 total cost
@@fevgg That's good work 👍
Little sanding and degreasing over the crack and then put a reasonable layer of JB weld on it. Should work verry well.
@Jay Smith Did you degrease ?
@Jay Smith I do not see him degreasing and what he used is not JB weld. See what JB weld can do: ruclips.net/video/587RuL45jS8/видео.html
Cheers, Larcs.
My K2 just runs but makes no pressure.
Water is primed but when pulling the trigger get no pressure.
Tried a different gun same thing no pressure.
Motor runs and doesn't cut out no pressure building.
What should I be looking at to replace?
I would imagine that it could be a number of things. If you're sure the motor is spinning (would be my first check) then things like the non-return valves, the swash plate coming off or the piston seals worn/damaged would be next. Things like using dirty water or the unit freezing up causes lots of problems. Good luck fixing it🤞.
Cheers Larcs 👍
@@LarcsWorkshop found small split in housing .. seems like a very common problem with katcher pressure washers.
@@marcusbarnes5929 glad you found it 👍
Bạn có van một chiều karcher k3 ko ?
Sorry, not sure what you mean?
3rd karcher has popped a seal. Its just over a year old. karcher parts very expensive.
I will buy different brand now.
Will never buy karcher again.
Cheers, Larcs.
I feel the same .. feeling regret for choosing karcher
come si chiama il pezzo bianco dove c'è il pulsante di accensione? la mia idro karcher 299 rimane sempre accesa
Not sure, could be the motor starter capacitor.
Is it worth repairing? I have sthe same k2 problem and No.
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Any idea how much oil is in the piston assembly please? I know its 15 x 40 but not the quantity
Thanks for the comment but sorry I don't know?
Cheers Larcs 👍
tiene reparacion. yo tengo una igual esta con esa fisura
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Como lo reparaste? le mía hace lo mismo pero no encuentro la falla
@@adanhernandez4959 I haven't fixed it yet, when I do, I'll post a video of it.
Cheers Larcs 👍
Good video. You would expect more from a brand name than cheap plastic crap.
Yes, very true.
I thought it was made in Germany .
can that crack be sealed?? with loctite or gorilla glue or similar?
Thanks, many have tried but not much success by the sounds of it. Its a weird plastic.
Cheers Larcs 👍
J B weld 2 part resin
Qual e o nome dessa pesa que tá quebrada
Hi, it's a Karcher K2.97
Cheers Larcs 👍.
Why not glue ?
It's a wierd plastic, I don't know what would stick to it really?
Mal uso no lanpurgan ni la despresjrizan que lastima son muy buenas máquinas.
Cheers
Bin it and buy a nilfisk
Cheers, Larcs.
Are you local
Somerset
the video is dark...
Thanks, I'm trying to improve that.
Softly softly. No. Throw everything back on the work bench.
Sorry, I don't mean to throw them down. In my defence, the work top is resin and makes it sound worse.
Karcher pressure washer is market leader in Europe but not in quality. Low prize but also low quality. I use a Kränzle, also a German company. It runs since nearly 30 Years without any problem. Only the rotating nozzle failed after 22 Years.
Cheers, Larcs.
WHY DOES HE JUST CHUCK THINGS, NO RESPECT 😢
Yes sorry, I was having a clumpy day, not trying to be disrespectful.
Cheers Larcs 👍
You say "pop then out" but don't show how to. My K2.900M has 4 rubbers but I'm damned if I get get them out with a screwdriver.
Sorry, this was a few years ago and I can't remember.
You need plastic welding skills. No spend repair!
I might get the soldering iron out and give it go, thanks.
@@LarcsWorkshop I had the same leak from the same area...Dont bother plastic welding, I tried and no joy. Just got a new part.
Karcher should be strung up for continuing to make the washers, using the same cheap plastic part that has been one of the main faults of such overpriced washers, for 20 years-ish, then charging nearly a half or a third of the price for a new complete machine, just for a cheap plastic faulty unfit for purpose very small part of the full washer, purely for greed hoping for more sales and filling dumps up with perfectly good more costly global resources. no one should ever buy such expensive brands like Karcher that sell crap with faulty parts, they deserve a bad reputation when for a small amount the machines could be great,
So true 👌
These things are actually rubbish they last no longer than one year then break. Just had mine apart but I’ve made a bags of it whilst doing it so just gonna Chuck it and buy a new one. Won’t be buying another one of these. Tedious design.
True
I have one thrown dismantled in shed trying to dismantle my clogged new one ..jeeeeeez
son una cagada yo compre uno pensando habia comprado lo mejor y a los dias se jodio se le rajo una pieza de plastico osea una porqueria 😡🇻🇪
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karcher overrated expensive scrap, buy yourself another cheap washer with a metal pump
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