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قديم منذ /16-10-2019, 05:29 AM   #1

كمال رامي
 
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 رقم العضوية : 70540
 تاريخ التسجيل : 21 - 12 - 2018
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افتراضي جميرا الثالثة دبي إصلاح الغسالة

<*iv align="left">Jumeira Thir* Dubai Washing Machine Repair



Replacing Drum Bearings
Of all repairs that can be *one to a washing machine this can be one of the most physically *ifficult to successfully complete as, more often than not these *ays it requires a complete strip*own of the machine.
The first thing you have to realise about a bearing change on any washing machine is that, if you're not confi*ent in your ability to totally strip the machine an* re-buil* it safely then call in a professional. This is not an easy job, none are two-minute jobs an* it is very, very easy to make costly mistakes *ue to the involve* nature of the work.
In the main there are two bearings in a washing machine. A lot of people take off the back panel of the washer an* see the bearing that sits behin* the pulley an* think, oh that's easy to get to, never realising that there is one that sits in front of there as well as a water seal of some sort. This is why it's a problem. [فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]
The image to the right shows a typical bearing set for a washing machine or washer *ryer. The smaller bearing is the rear bearing an* *oes not take as much loa* as the larger bearing which the front bearing. In front of that, usually fitte* flush onto it, is the water seal.

[IMG]http://www.m9c.net/uploa*s/15706917583.jpg[/IMG]<*iv align="left">
What will usually happen is that the water seal on the front bearing (which often relies on a brass bush on the *rum shaft to seal against) will fail an* allow water to pass into the front bearing. That bearing breaks *own over time an*, eventually will collapse.
Whilst the bearing is on its way out though, just like any bearing that is failing, it will start to get noisy an* we get the fault of "noisy on spin" or "grumbling rumbling noise" when the machine is a few years ol*. Well, on most they're a few years ol* when the bearings fail. In more recent times we're seeing the bearings failing on machines that are younger an* younger an* now, on many of the cheap washing machines out there, we actually see them failing at a mere eighteen months ol*, some even within the twelve month warranty perio*.
Quite honestly service engineers on UK Whitegoo*s are *isguste* at this *evelopment.
To make it even worse some manufacturers, notably In*esit (Hotpoint, Ariston an* In*esit) an* Electrolux(Electrolux, Zanussi, AEG an* Tricity Ben*ix) have intro*uce* seale* tanks where bearings cannot be replace*, you have to replace the entire inner working of the machine. The reason, they say, is to cut *own pro*uction costs.
Preparation Before Replacing Bearings
Replacing the bearing or bearings in a washer is one of those jobs that you really nee* to prepare for. Have all the tools that you will nee* to han*, have a goo* look at what you're about to set off *oing an* how you're going to *o it an* geet rea*y. Make sure that you have the machine totally *isconnecte* from power an* water for this job an* ensure that you have some ol* towels or suchlike to han*.
This is messy an* you will get *irty. You'll also most likely get a pint or so of water on the floor when you *isconnect the sump hose if you nee* to. The sump hose is the one that connects to the *rain pump.
Also ensure that you have ALL the spare parts that you are likely to nee* to han* as the last thing you want is to stop half way through the job. You also *o not want to miss a part that you shoul* replace whilst at it, like a tub seal for example an* this is where a little expert gui*ance can come in han*y.
For what you nee* you can email our spares *epartment who will a*vise an*, in many common cases, offer a complete kit of spares that you nee* barring anything unusual on [فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل] or you can visit the forums where there is always helpful a*vice on repairs from the engineers themselves. [فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]
Most common bearing, *rum an* *rum seals are available from our online shop an* this link jump you straight to that section
Getting Into Washing Machine Bearings
The first thing you have to work out (as *o we quite often) is how to get into the bearings.
Depen*ing on the machine this can be relatively easy or just an absolute pain.
Ol*er machines that were well built were pretty straightforwar* assuming that there was no *amage to the *rum shaft (more on that later) as they ha* a "spi*er" on the back which you simply remove* a few bolts to *raw off, change the bearings an* put it back on. I know that soun*s easy, but trust me, on some it isn't just as simple as it soun*s.
Some others, like Servis an* Antonio Merloni base* machines, have a bearing plate that is release* by a clamp ban* at the back an* the whole back of the tub comes off, heater inclu*e*. This is probably one of the easiest to *o an* means that you have full access to the insi*es of the outer tank, so you can check for other problems. The *ownsi*es are that the seal for the rear really has to be replace* as well an* that on these cheap machines the bearings *o fail, often.
On Zanussi, AEG, Tricity Ben*ix, John Lewis an* Electrolux machines (they're all pretty much the same regar*less of what the marketing literature tells you) the cabinet splits an* the back has to come off to extract the entire tub group. Ha* they put the bolts in the other way aroun* that hol* the two outer tub halves together life woul* have been so much easier, but alas they *i*n't. When this *esign was launche* many years ago (it is about 14 years ol* or so) I aske* why they ha*n't put the bolts in the other way aroun* as then bearings woul* have been ma*e far easier to change, guess what, it saves on pro*uction costs.
Anyway, to get the tank out you have to *isconnect everything from it an*, I *o mean everything, to extract the whole lot an* then strip it outsi*e the shell.
On a Can*y or Gorenje washing machine as well as others things get even more *ifficult when changing the bearings as, not only *oes the whole tub have to come out but the only way that it will come out is through the top. This is a soul *estroying job to *o an* takes much, much longer to complete, service engineers hate them for it. Not only that some are really a two-man lift to *o safely without *amaging your back just because of the sheer weight in them.
Washing Machine Bearing Seal
This is probably one of the most important tips for when you attempt to change bearings, replace the seals. Obviously the bearing water seal just has to be replace*, there's no option but I'* strongly recommen* that you also or*er the tub seal as well. The reason is pretty simple, until you strip the machine you won't know if it's faile* or not an*, putting in a *o*gy seal can cost you the machine.
This is the insi*e of a washer's bearing so you can see the ball bearings running in the race encase* in grease. If water gets in here then the bearings have ha* it!
To explain that, the Zanussi type tub splits in the mi**le an* in there there's a kin* of silicon seal which is hollow, it compresses an* seals the two tub halves. Shoul* that seal leak the chances are that water will *rip onto the motor which is mounte* at the bottom of the tub an*, bang!
More often than not, when that happens you'll be looking at a new motor an* mo*ule.
So there you go, the lesson is to replace the seal as for the few poun*s it costs it is well worth it.
Washing Machine Drum Damage
The inner *rum of the washing machine, some call it the "basket" is the (normally) stainless steel part in which you put the clothes. On the back of that there is a spi*er an* a shaft an*, on that shaft which sli*es into the bearings, there is normally a brass bush which you can see in the image to the right, on most continental machines (as well as a lot of UK bran*s) which, if it is *amage*, will simply tear up the new water seal. You must inspect this very carefully for *amage or the bearings will fail again within months of being replace*.
There are various other ways that this seal between the *rum shaft an* the water seal is ma*e, but the above is the most common way.
Fair warning though, there are some crazy ways that manufacturers *o this. [فقط الأعضاء المسجلين والمفعلين يمكنهم رؤية الوصلات . إضغط هنا للتسجيل]
Tools Require* To Replace Bearings
Quite often you nee* specialist tools to replace bearings, some even require specially manufacture* bearing *rawers to get them in an* out. An*, whilst these may not be absolutely essential, they sure can make life a lot easier.
When tapping bearings in the greatest of care nee* to be taken to ensure that they will last any length of time. This applies even more so to the front bearing water seal as virtually any *amage to that part alone will be the cause of another failure without *oubt.
With many of the mo*ern machines you will nee* a goo* selection of screw*rivers, spanners quite often Torx bits now an* nut runners can save a she*loa* of time. In other wor*s, make sure that you are well arme* with tools for the job.
Machines Where You Can't Replace Bearings
In recent years we've seen a phenomena known as the "seale* tank" or *rum where the outer tank is seale* completely. Usually it's seam wel*e* aroun* the mi**le of the outer tank an*, where this is the case the *rum bearing of the washing machine or washer *ryer cannot be accesse* to replace them.
Apart from the fact that, as appliance repairers we think this is, frankly, *isgusting it's also not goo* for consumers. It means that, on say a machine *esigne* to last a thousan* cycles or so, that the washing machine is effectively scrap after a couple of years in the main as the cost of a full inner tank is prohibitive. Or, you are force* to insure the machine against failure, any way you look at it, it's more expensive. Much more expensive.
Several public members an* tra*e have now trie* to fin* a way to replace the bearings on these types of machines an*, to *ate, none have ha* any success in *oing so.





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