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E61 Group Head flex?

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  • mobbarley
    replied
    Re: E61 Group Head flex?

    I have a Tea and I have noticed this flex, but it is only slight and only when I was stupidly trying to jam in an overfilled handle.. Keep in mind copper is pretty soft and copper water pipes get water hammer all day long... i doubt the few millimetres of flex would cause a problem - particularly if you are easy on it.

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  • Yelta
    replied
    Re: E61 Group Head flex?

    Pretty sure Ive worked out whats happening.
    Had the cover of mine today and as RandyG said the E61 head is secured to the machine frame/front plate with 2 x 12 mm studs, if the nuts are tightened securely on the studs the head cannot move its impossible, however if the frame of the machine is fabricated from relatively light weight steel the front mounting plate can flex and this is what I am seeing.
    So what happens is every time the plate flexes the 2 copper tubes connecting the boiler to the group head also flex, as do any other copper tubes connecting to the front plate i.e. steam/hot water gauges etc though to a lesser degree because they tend to be mounted toward the edges of the plate and would not be affected to the same degree.
    So in a nutshell machines exhibiting this characteristic have a light weight frame/front plate, in fact too light to do the job it is intended to do.
    There is no doubt in my mind its a weak point, weak enough to eventually lead to the pipes to the GH cracking? maybe, maybe not, only time will tell.  

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  • Identity
    replied
    Re: E61 Group Head flex?

    VDS flexes very easily compared to the Galatea. course, this depends on lugs, group handle and strength of forearms.

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  • Yelta
    replied
    Re: E61 Group Head flex?

    Originally posted by 270A0E020F630 link=1260663210/17#17 date=1260775212
    some people really do put their back into it
    Not me.

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  • Dimal
    replied
    Re: E61 Group Head flex?

    Originally posted by 1F232A3227460 link=1260663210/16#16 date=1260773774
    not looking for an argument or trying to stir, simply seeking an explanation.  
    Neither am I mate but I have noticed that some people really do put their back into it. My old Bezz is pretty easy to lock-in as well so I cant help but make the observation....

    Mal.

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  • Yelta
    replied
    Re: E61 Group Head flex?

    Originally posted by 567B7F737E120 link=1260663210/15#15 date=1260773245
    No need for gut busting force
    Evening Mal, Im not talking about anything approaching (gut busting force) I realise the handles lock in with little effort but the fact of the matter is that the group heads on a lot of these machines do flex, not looking for an argument or trying to stir, simply seeking an explanation.

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  • Dimal
    replied
    Re: E61 Group Head flex?

    Originally posted by 72414E44597F670E200 link=1260663210/10#10 date=1260738961
    In my experience, it takes FAR less force to get the seal using my VBM DS than it did with Silvia.
    Yes Randy, agree with you on that one.

    I can lock-in the Group Handle of my Diadema Junior Extra with just two fingers. No need for gut busting force which must also accelerate wear and tear too....

    Mal.

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  • Gra
    replied
    Re: E61 Group Head flex?

    I have a Isomac Tea and have no flexing under normal use,There is some if you lay in to it but that was the same as with my VBM. Domabar.

    With the Tea you dont need use a lot of presser to lock the group handle and I have not had it blow off yet .

    Cheers Gra.

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  • Yelta
    replied
    Re: E61 Group Head flex?

    I find it difficult to believe no one else has observed this! excess force is definitely not needed, normal locking pressure will do it.
    One of the machines I had on my short list and bypassed it because of this flex was the Isomac Tea.
    Next time Im in Adelaide will visit the same store, check all of the machines again and post a list of my observations.
    Originally posted by 16252A203D1B036A440 link=1260663210/10#10 date=1260738961
    Depending on the amount of space inside, it would be an easy matter to reinforce the mounting from behind with two strips of flat or angle steel stock.
    When Im paying $2000 + for a machine I wouldnt expect to have to make modifications of this nature.
    Perhaps Im creating a storm in a tea cup and the flex is of no consequence, however Id still like an informed explanation.

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  • maheel
    replied
    Re: E61 Group Head flex?

    I dont have e61 but i get a bit of flex in the group handle (handle)

    if i give it a good pull i can see some flex, its more the plastic end not the group head but.

    your not seeing this are you?

    i would be thinking new group seal needed if you need to yank this hard....

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  • herzog
    replied
    Re: E61 Group Head flex?

    I can report that the Elektra SA doesnt flex in this manner.

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  • Randy_G.
    replied
    Re: E61 Group Head flex?

    The brewhead is mounted to the face panel with two bolts. If the face panel flexes when you are just playing with the machines on a display counter then it is probably from using more force than is necessary to seal the PF. In my experience, it takes FAR less force to get the seal using my VBM DS than it did with Silvia.

    Depending on the amount of space inside, it would be an easy matter to reinforce the mounting from behind with two strips of flat or angle steel stock.

    Leave a comment:


  • roknee
    replied
    Re: E61 Group Head flex?

    i have seen this flex on a maver makin.

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  • Dimal
    replied
    Re: E61 Group Head flex?

    Same as TG....

    The DJE moves on the bench before any flex can be observed (and Im not going to hang on to her with one hand while I lock the GH in with the other, either )

    Mal.

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  • simskade
    replied
    Re: E61 Group Head flex?

    Ive never noticed what you are talking about - probably because I bought the Bezzera too! It is a tank.

    CTGTC 8-)

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