I stripped own the washer last night following your excellent sketches & photos. That way I might not have oil from the gearbox all over my worktop.I have since found sites saying the oil is '10W-30 non detergent' but nowhere can I find out how much oil to put in. Hi Roberto - I think you'll find that this is called the 'Cylinder Head'. I have removed them and found that it is or should be 1 part. Hi Smugdane,Thanks for your reply.I managed to take a few photos, not sure if they will help? If you have a mobile phone, or other camera handy, I always think it a good idea to take regular 'shots' as you dismantle the washer, and be methodical as to where you place the various screws and bolts once you remove them. Thanks for your input MartynW - Sorry to hear that the health of your particular machine is now 'terminal'- At least you tried. From your drawing it seems likely that water will flow like this because the inlet valves only close when pump applies pressure and I think this is also true for outlet valves. Do smaller electric washers even have a bypass valve ? Definitely will NOT be buying another one of a there units as I'm sure all there motors would have the same basic design and this looks like a weak point in that design!Grumpy old b*stard. Other than trying the obvious things, I'm sorry that I can't be much more help. It hunted faster and lost pressure nearly a bin job until I found this site. i have same model k3.80md with same problem i managed to turn it using a pair of pliers it is only a push fit and spares are available, i need a new control head and to top up the motor oil that spilled out opps! Came across your blog whilst searching for answers to pressure loss on a k2. I'm not sure if you've got the user manual for the 330M, (which has a trouble shooting section at the back), but if you haven't, this link should give you the K330M manual, which might help you: - http://www.rjbowers.com/parts_manuals/k330m_om_1994-9_1228152660.pdf(you might have to copy this link and paste it into Google, or whatever IE that you're using).If you try all the most common 'faults' listed in the Troubleshooting section and still have low pressure, then I would be suspecting that the Pump Unit has a faulty valve(s), or seal, and you can either take the unit apart and see if there's anything obviously wrong, OR you will need to take it to an authorised Karcher repairer, (which naturally is what Karcher strongly recommend).I'm sorry I can't be more help for your model, but good luck in getting it back to full life. Hope you get your washer going again for a fraction of the cost of a new one. (It's just that the tricks work about as well as Tommy Cooper's did !). Into the garage, tear the thing to bits, particularly when those Karcher "don't do this, buy a new one from us" deep set screws start to get in the way of progress but importantly DID NOT TAKE PHOTOS - which I always do when dismantling things for the first time. Have frozen frames to inspect backgrounds - watched videos on other models to see if they would provide a clue. Sorry can't be more help, but maybe there are other readers who can help! RegardsLes Folkes, Hi Anonymous - Pleased you found the blog useful - There's nothing to worry about... water WILL still come out of the outlet, even without power connected. Hi anonymous - If you go to the following web site; http://www.ransomspares.co.uk/parts/brands/karcher/pressure-washer-spares/k3.99m%20eur%20(1.423-230.0)/there's an 'exploded' view of the K3.99, and this will point you in the right direction as to where the water filter is located.Have you checked the water flow without having the high pressure hose and lance connected to the main body? There MUST be spare gears knocking about somewhere!! Maybe other readers may have a suggestion? Stumped me!! So I decided to strip the unit only to find that it is not the usual culprits? Great value and well below K7 price that I had been considering. once I get a regular stream of water I then start using the Karcher under power. I then let the water run through for about 5 mins and reconnected everything and tried the machine. Having done so, I found the oil to be a dirty grey silvery colour indicating it had been contaminated with water. And this is the underside of the Pump Housing. - Good luck. Don't under estimate the skill of the Great Dane especially when trained to type from the age of only 6 months!!! and insertion of a flat bald screwdiver in the seam does not help.Fact I don't see too well these days probably does not help, but I don't think I've missed anything ?Perhaps this model is not meant to be taken apart ?Any ideas much apprecaited, Hi Ray, I would suggest that you enter "Karcher K2 exploded view" in Google, then select the 'Images'. You're welcome - Always worth having a go at repair as long as the cost of replacement components doesn't come anywhere close to exceeding the likely value of the machine. Hi Paul,Thanks for your comments, (and sorry about your kitchen countertop! 4 with these original in- Description of the Appliance..9 structions prior to the initial oper- Scope of delivery . So I'll get some regular oil at Halfords or so. http://www.karcheroutlet.co.uk/Manuals/Pressure%20Washers/kingcraft-uk.pdf Last time I tried to use it, it worked for a few minutes, then started buzzing with the motor not running, whether the trigger was pulled or not. Thank you smugdane. Unsere Dienstleistungen im Bereich Zahnimplantate. Hi Anonymous - the only place that there's oil in the Karcher, is in the gearbox/swashplate area, so it must be this oil mixing with the water, so I would assume that the oil seals around the 'pistons' have broken down, (see drawing above - pistons coloured orange). My k399 started spraying water from inside the machine so as you suggested I took the cover off and tested. I can only suggest either looking for a YouTube video showing a KB3030B being stripped down, or contact Karcher UK and ask their Tech Dept to assist, (they're usually pretty helpful. The owner described that the unit would work fine for a bit then lose pressure. However, the official Karcher Outlet website does give some useful advice on the most common problems, and their advice on pulsing is as follows;•If the machine is pulsing when on standby, is the garden hose supplying the pressure washer fully uncoiled?•If the machine is pulsing whilst in use, it may be that the accessory you are using has a blockage. Hi there - Regrettably, I don't think that I can help much more as I'm only a DIY'er rather than a Karcher expert. You could even see if you can 'blow' through the pressure hose when you press the trigger... (with the pressure hose disconnected of course!!) Bienvenue sur la chaîne YouTube de Boursorama ! Secondly, you say that the motor runs continuously WITHOUT pressing the trigger on the lance. all for just £6.74 incl VAT & postage !! It is shown in the diagrams but not listed as a spare part. I have a trickle of water coming through and the motor is going round fine.I have followed countless youtube videos and read many blogs which have resulted in me finding the problem way down in the gear box. As I cannot find any and even looking for a part number throws a blank... You can help and you know who to call.... A team needed!! I have a Karcher K3.99M pressure washer which totally lost output pressure. Could you tell me where I can get a wiring diagram from or does anybody know the colour connections ? Also for: K4. If close examination of the various parts of your own K499 look totally OK, and there are no evident leaks, then I personally would suspect that there may be insufficient water pressure getting to the pump. Some great reads in here. Having worked on on much larger pumps in my working life I set about repairing the aforementioned pump. I'm speaking from experience here as I thought after my first strip down and rebuild to check that it was indeed coming from the triangular rubber seal that sits between the piston non return valves housing and inlet/outlet halves, I must have nipped the triangular seal so yeah it was then leaking from there and removal of it showed a split seal! So far, exceeds all expectations ! There's also a bypass valve on the control head. Maybe some other bloggers might have some ideas? ).With regards to oil, you can buy "Karcher Pressure Washer Engine Oil" off the internet. Managed to get a little more power but there is still a big leak coming from under the capacitor housing and I am unable to fathom out how to get at it. keep it all upright! K4.99 failed spectactularly yesterday. Karcher k 5.93 m pressure washers: user guide (56 pages), Karcher pressure washer user manual (52 pages), Karcher pressure washer user manual (48 pages), Karcher k 5.85 m pressure washers: user guide (48 pages), Karcher high pressure washer operator manual (24 pages), Karcher pressure washer user manual (24 pages), Karcher k 5.55 m pressure washer operating instructions (17 pages), Manual will be automatically added to "My Manuals", Pressure Washer Kärcher K 4.96 M Operating Instructions Manual, Pressure Washer Kärcher K 5.20 M Operating Instructions Manual, Pressure Washer Kärcher K 5.93 M Operator's Manual, Pressure Washer Kärcher K 5.68 M Operator's Manual, Pressure Washer Kärcher KARCHER K 5.85 M Operator's Manual, Pressure Washer Kärcher K 5.85 M Operator's Manual, Pressure Washer Kärcher K 5.50 M Operator's Manual, Pressure Washer Kärcher K 5.70 M User Manual, Pressure Washer Kärcher K 5.20 M Operating Instruction, Pressure Washer Kärcher K 5.20 M Operator's Manual, Pressure Washer Kärcher K 5.55 M Operating Instructions Manual. I stripped the washer down and unbolTed the motor section from the pump. I have a Karcher K499 and the water is being delivered at a lower pressure which only becomes obvious when I use the T racer which causes the unit to pulse, I have stripped it down which is relatively easy and run the motor out of its casing with no obvious leaks, I did look at all the parts from the head which I stripped with nothing obvious, but only visually examined the cylinder assembly which looked ok, but i'll have another look. When I connect the pressure hose no water comes out neither with the machine plugged in or not. ... Go directly to page 13 which is a pictorial guide to assembly with audio accompaniment in the form of the word 'click' in little speech bubbles like old 1960s Batman movies. Stripped the casing off the Karcher to see what is leaking and found a lot of pressure coming out of this region (See Photo). Hi again and thanks. Failing all the usual on-line spares suppliers, (and probably as a last resort), you can always phone Karcher UK who also sell spares! Stripping the plastics off and running it showed water running out of the area around the washing fluid inlet but it was also running from the other side which I initially thought was where the leak was. Be careful as the parts numbers are for US models (with 110V electrics) but it at least gives you the name of the part and show how they fit together. Hi, I have a K3.80MD which is leaking water from the vicinity of the detergent connection on the pump. I took the pump apart again, pulled out all the valves in the top assembly and cleaned them all up, re-assembled it again but still had the same problem. btw that guy also said to fill it up with oil until approximately 1 cm below the edge. https://www.dropbox.com/sh/tecxvryt3umngb8/AADg7nrnJk_BJkSKJAKcS82Za?dl=0Here are the photos of the stripped gears. ('Pulsing' is normally associated with low incoming water pressure). I know it sounds ridiculous but I just cant get it positioned correctly. Now fit the high pressure hose (but NOT the wand as well). I have a k2 karcher that lost pressure today and I notice there is oil coming out with the water when I pull the trigger. You might risk minor damage to the screw heads, but without the right 'bits' it's probably the only way to undo them. If you do get to the bottom of the problem, please do re-post details back here.... it might just help others with similar problems. I hope that in some small way this may help others. Has anyone else had this problem please? AT least now you have shown at least there ways around scrapping and buying a new one, which is what all the blogs say on Karcher Forums (not surprisingly!!!) Le prix peut même augmenter selon la région, comme en Île-de-France notamment. The first giant in the list of 15 best power washer is Sun Joe SPX3000.. However, when I took my own Karcher apart, the defective 'valves' were clearly evident. You never know, you too might be able to repair your washer for a little over £6.00. I have downloaded the user manual and this states that this unit is "..maintenance free..", whereas some of your contributors have stated that the instructions say the oil should be changed regularly. Hi anonymous - As mentioned in my previous replies, I'm not a Karcher expert, just someone who enjoys 'getting things working again'.. however, I can't think that simply changing the cylinder head would have any effect on whether the machine switches on or not, so I very much doubt that you've "assembled it wrongly". Thanks. At the end of use, I turn the switch off and operate the lance to let the residual water pressure out. But the diagrams are available at a US site: http://www.pressureparts.com/treeview.aspx. Instructions It takes about 5 minutes to assemble. - Good luck, This may help in finding the screws. I sincerely hope that this HAS solved your problem. My K3.80 had the leak and pressure switch failure so I took it to bits without the brilliant "run it with the cover off" advice. The final fix is yet to be achieved but below is what I have done so far!I started by finding an exploded view of the 'gubbins' of the pressure washer on ransom spares.co.uk and I strongly recommend everyone does this to locate all moving parts and O rings before taking it apart. Thanks very much for both your explanation and hosting what has become a forum for disappointed Karcher owners! Probably a design feature to sell more washers by karcher. This inlet is a pushfit piece, held in by another rubber o ring and it is this O ring that has a characteristic degradation split in it (shown as part of the assembly named 'front housing modular compact' (item 3) on Ransoms website). If your valves are like the K5.700, 3 of the valves appear to be moulded in the housing and I don't think you can just replace them without replacing the complete pump assembly. Hi Anonymous - Unfortunately I'm not familiar with the 5.7 so I can't really give any useful advice other than to check out if there's any helpful video on YouTube. I have a karcher K2.395 which is just under two years old and been used half a dozen times. - other than that, you'd have to wait for another reader to advise, but this probably wouldn't happen very quickly. Hi all. Nice one Mark - Glad you found my blog helpful. Much like the gunk found in a car with a dodgey head gasket.I took it apart as the problem was that pressure would drop after about 5 seconds. Great stuff, wonder if you can help. I have stripped one down maybe 4 time nothing suspicious. I bit the bullet in the end and bought the new assembly that comes complete with the bypass valve. So far as i can see there are only 3 torx headed screws holding the thing together. There is no water leaking from motor. Maybe other contributors can help? Your experience is a bit of a mystery, but at least you now have a working washer again. A plastic ring with the 2 cogs fixed to it. So the pump has been stripped down. somehow one of the 3 chambers has a tear in it which is leaking water. Like myself, you now have TWO pressure washers, but at least if one stops working we both have a 'standby' whilst we try and repair the other. Hi Anonymous - I have to level with you and say that I'm no Karcher expert or engineer, but just a simple DIY geek who likes to try and do his own repairs, so I'm not the best person to offer advice. Has anyone come across this before? Any help will be very much appreciated. Im from indonesia, i think very pricey to buy from UK including shipment..I will Use this karcher until the end of service.. and will consider to buy small one like k2.14Thanks very much smugdane..Nice posting and helpfull blog... Hi wwn - I didn't realise that you were from Indonesia so I can quite understand what you're saying about the cost of buying spares from the UK, particularly once shipping is added. Thanks Smugdane. You are very helpful. i had the same problem, the part you are refering too is called the control head. i found what im looking for thanks to your help. I guess you've tried the most obvious 1st step and checked the wiring and fuse in the mains plug? Hi If anyones interested, i just replaced the swash / thrust bearing on my K5.80 with a SKF 51108 and it works perfect now. The main problem is that the motor keeps cutting out during use, but even when it's working the pressure seems to be quite a bit lower than I expect. Cheers! I've no idea what is wrong with the original part as I can't see any cracks and the valves appear to operate okay but at least it's going again. If the outflow of water isn't great, then there is most likely some blockage and/or restriction of the water from the point of mains water entry, through to the pressure hose connector outlet, so start checking filters etc.2. Excellent result... thank you so much for posting an update for the benefit of other readers. Although the valves etc had looked alright, I surmised that maybe the valve springs were weak, so I replaced the complete cylinder head. They do say on their site that if the part you want isn't listed to give them a ring. I'm sure that other readers will find this very helpful. it is not oil it is synthetic high temp grease using engine oil is too thin here is what you need for K1 K2 and K3 domestic KARCHER 50ml Viscous Oil Thermoplex ALN VP 2 For Domestic Machines order no. I take it you've checked the fuse in your plug and that any other electrical connections within the machine are properly connected and secure? DuuuuhI thought the silver metal cover (shown in your photo above) wouldn't come off when first stripping it down as it seemed 'at one' with the plastic but after some focused prizing with a small flat blade screwdriver today the metal bottom came off along with the white plastic washer fluid inlet. Just occasionally, there are times when things go wrong, and it winds me up when I can't find answers on the Web. I might strip it down first and have a look at the pressure switch as mentioned also check the capacitor for any visual damage. I will not stand in a drive full of bubbles realising I'm going to have to take it all to bits again!Ta! Could it just of been a weak seal? i have a Karcher 4.600 and the wheels just will not turn. I'm NO Karcher engineer, but I'd bet this is your problem!! Not sure that I can be of any real help but, for what it's worth, these are my thoughts, (and they're ONLY thoughts).Based upon what you have described, there could be two problems;1. If it is supposed to contain oil where do I pour it in...in the top of the unit through the rotary cam? This sounds like it could be a faulty pressure switch!If you visit the following web site, (you might have to copy and paste this link into your web browser) http://www.ransomspares.co.uk/parts/brands/karcher/pressure-washer-spares/k3.99m%20eur%20(1.423-230.0)/there are some good 'exploded' views which are very helpful for the K3.99M.I don't know how much you've spent so far, but obviously there comes a point when it's not cost effective to KEEP buying spare parts to try and get an older machine to work again, but many of the parts are quite reasonably priced and available, so it's probably worth going that extra mile now that you've done so much work! complete with part numbers. But how about this?....https://www.dropbox.com/s/xw7eolg6hcgea75/Photo%2021-02-2016%2C%2012%2014%2014.jpg?dl=0https://www.dropbox.com/s/m2y6yab29xh3h75/Photo%2021-02-2016%2C%2012%2014%2020.jpg?dl=0https://www.dropbox.com/s/m49sj301ha1vazh/Photo%2021-02-2016%2C%2012%2014%2031.jpg?dl=0https://www.dropbox.com/s/e9xrge64jy59une/Photo%2021-02-2016%2C%2012%2014%2050.jpg?dl=0https://www.dropbox.com/s/7aicmr51bpxopr2/Photo%2021-02-2016%2C%2012%2015%2019.jpg?dl=0. I knew it had to be something simple :) Thanks for the excellent info! Mines stared to hunt when I Put a drain hose on. Do you know of any other karcher spares sites or any one that might be able to help source this part? After further investigation and research I found out that the symptoms of cutting out during use could be caused by air lock so to remedy this, I disconnected the power supply, connected the garden hose to the inlet and removed the high pressure hose and trigger. I expect you've already done this but, if not, it's certainly worth a try. Hi Kevin - Many thanks for posting your comments, and a very interesting account of another fault that could occur on a Karcher washer. In … The same type of pump as on pictures. Vous trouverez dans ici le détail sur les médicaments remboursés en France entre 2012 et 2019 (quand des données plus récentes seront publiées, elles seront mises à jour) I dont know if you have any tips. Good luck ! so far i VERY unimpressed with Karcher as it would seem that I need to replace the whole thing just because of 2 plastic gears! Hello Smugdane. Why does Karcher have so many different models??? I did see a youtube video where they had the same fault but on a petrol washer, they said it was a Stuck bypass valve? Bienvenue sur la page Boursorama, portail d'informations économiques et financières. The espares website mentioned above doesnt seem to supply them. i have a K3.68M. Au niveau mondial le nombre total de cas est de 104 366 625, le nombre de guérisons est de 57 960 611, le nombre de décès est de 2 267 910. If you leave it for a couple of hours it works again for another 15 minutes or so. Let's face it, even £29 is a darned bit cheaper than a new washer!! I would appreciate anyones thoughts on the issue. Hi Anonymous - When you say that "no water comes out" once you've connected the pressure hose, do you mean that no water comes out even when you press the trigger? Hi....This is a very helpful blog. Sorry I can't be of more help. I did some further searches and found this post by a guy in germany who ended up phoning a kärcher service center and asking what kind of oil to use, they told him that any engine oil that's not too thin would basically do, such as regular 15w40 oil. When I use my Karcher, I set it all up, but before turning the power on, I operate the lance to let the water flow and clear without any airlocks (which will make the water sputter). Has your Karcher Pressure Washer suddenly lost pressure? These are just like the cylinders in a car engine, and there are 3 'pistons' in the motor/gear housing, (to which this is attached), that move up and down in these cylinders. . Then back to LOW ok again turn to HIGH and it will continue HIGH againAny thoughts on this oneJohnny Melvin. If you DO manage to repair the washer you will probably done it for minimal cost and you will feel a great sense of accomplishment! The threaded Outlet for the hose to the 'lance' can be seen on the top, and the Inlet from the garden hose is on the side. That confirmed the defective part in minutes, and a search on E-spares located a replacement part very quickly.Hopefully this may help, so good luck.... it's a very quick and easy repair to make if that's what it is.Oh yes, by the way, if your dog can only roll over then shame on you as his master. Hi Shane - I get the feeling that you'll only get these cogs from Karcher themselves, or you'll have to buy a complete new motor assembly. When I looked closer I noticed the stream of water running from the plastic casing. Nice one Keith - Just remember to be 'logical' as you dismantle the washer. Hi Adam - That works by copying the link and pasting into the browser. It's sometime very easy to 'tug' a cable/connection when taking machines apart so worth re-checking all internal connections (with the machine unplugged from the mains supply... of course! K5 pressure washer pdf manual download. If its broken then whats to lose?! Thanks for the speedy reply. To get it off (the reason for the reply), I used a gentle tugging with gently set Mole grips and pushed the plastic assembly through the formed metal plate with the other hand. Having said that, I tried running the faulty machine with the outlet hose disconnected: water came out but at what seemed to me to be less than the mains water stream. Hi. Thanks for your help. WIll keep you posted and thanks for the help - couldn't find help anywhere esle and I hate to throw out a 2 year old pressure washer, Hi SmugdaneCan you give me some advise? Sorry I can't be more specific.... may need to go to the Karcher hospital!! Hi smugdane It started off upright until the worlds biggest wasp decided to try and enter my ear, a small girlie moment later and the damage was done!!! Do you happen to know what kind of oil it requires?The problem with my pressure washer is actually different than yours, the control head is leaking due to frost damage I suspect, which is going to cost me about 35 euro to replace. Hi Anonymous, and thanks for providing a very useful tip for the readers.... nice job! Anyway, Ive managed to get the terrace finished and that was my main aim. Kärcher K4 Full Control Home Pressure Washer. Might be worth undoing the nozzle and just checking that there's nothing solid stuck in it. Hi smugdane. Anyway I only hope that this solves my prob and will let you know later. I too am trying to fix a K2.56 for a friend and have found the 2 white cogs shredded, at present unable to find replacement, just wondering if anyone has had any luck. Hi Anonymous - What you say sounds logical. Maybe another 'reader' has had a similar problem who could offer some advice. ( jeudi 4 février 2021 ) ( on ) and water pulses as well as Tommy Cooper 's did )... 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Could it be due to low water pressure? washer again type???????!. Ok again turn to high and it took less than 15 minutes or so 've it... Only 3 TORX headed screws holding the thing together indoors but feel I need to go to rescue... Post useful 'm sure that there probably is a blockage use the same thing on tests. There if you phone them how the water run through for about 5 mins and reconnected everything tried... Machines order no not that complex a blog administrator ( jeudi 4 février 2021.... Complex thing about them is the underside of the large spring is the plethora of model -...