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Expobar Minore 3 - low steam pressure

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  • A_M
    replied
    Re: Expobar Minore 3 - low steam pressure

    Originally posted by 45545D485F5A4C5B482D0 link=1296207584/19#19 date=1301100763
    Wow looks like alot to consider. Ive set the PID to 94 degrees.

    The steam is set at 1.4 bar (from the pressure gauge) and goes to 1 bar when I fully open up.
    I would suggest your running HOT, but then with out measuring who knows...

    Originally posted by 45545D485F5A4C5B482D0 link=1296207584/19#19 date=1301100763
    ve tried different steam tips from 2 holes to 4 holes. There is a decent amount of pressure but was just wondering if its possible to simply increase it to see what happens.
    If it is not broken do not try to fix after reading something on the web !!!

    Originally posted by 45545D485F5A4C5B482D0 link=1296207584/19#19 date=1301100763
    Was also wondering how accurate is the reading on the group head pressure gauge?? Would it be better to get a group head pressure gauge to accurately set it to 9 bars.
    See your Supplier.

    Any change to the system including steam will have a flow on effect and any number of things would need to be changed / re configured.

    It is not as simple or straight forward as you think. If you make changes and the system is not set up for it then NO ONE can help as yours will be totally different and behave differently.

    It is not 1 + 1 = 2 and even 2 + 2 = 5 is not always good enough.



    Leave a comment:


  • hyperwave
    replied
    Re: Expobar Minore 3 - low steam pressure

    Thanks for the reply.

    Im in Melbourne.

    Wow looks like alot to consider. Ive set the PID to 94 degrees.

    The steam is set at 1.4 bar (from the pressure gauge) and goes to 1 bar when I fully open up.

    Ive tried different steam tips from 2 holes to 4 holes. There is a decent amount of pressure but was just wondering if its possible to simply increase it to see what happens.

    Was also wondering how accurate is the reading on the group head pressure gauge?? Would it be better to get a group head pressure gauge to accurately set it to 9 bars.

    Thanks for the advice.

    Leave a comment:


  • A_M
    replied
    Re: Expobar Minore 3 - low steam pressure

    Originally posted by 4C5D54415653455241240 link=1296207584/17#17 date=1301065997
    Hi Guys,

    I have a Expobar Minore II. I was wondering if anyone could help with instructions of how to increase the steam pressure and if its safe and recommended. I like lots of steam pressure.

    Thanks. ;D
    What is your location and who is your nearest sponsor ?

    Any change in one part of the system will have a flow on to others.

    You raise the steam production but changing the thermostat; BUT this will also cause a increase in temp transfer across to the group and thus it can get messy as to how much and how does one control it.


    What is teh steam set at / running at now ?

    Have you tried different steam tips ?

    What does "LOTS of pressure" actually do for you OR is it a through put and you have a line up of people waiting ?

    Leave a comment:


  • hyperwave
    replied
    Re: Expobar Minore 3 - low steam pressure

    Hi Guys,

    I have a Expobar Minore II. I was wondering if anyone could help with instructions of how to increase the steam pressure and if its safe and recommended. I like lots of steam pressure.

    Thanks. ;D

    Leave a comment:


  • Thundergod
    replied
    Re: Expobar Minore 3 - low steam pressure

    Originally posted by 42777A7D49557970707373160 link=1296207584/13#13 date=1296347132
    The key issue here is not statutory warranty
    Maybe so but it doesnt hurt to educate the consumer.

    Originally posted by 42777A7D49557970707373160 link=1296207584/13#13 date=1296347132
    there must be a partial blockage somewhere
    I think I and a few others assumed this.

    Originally posted by 42777A7D49557970707373160 link=1296207584/13#13 date=1296347132
    Wear is not a warranty issue.
    Agreed and neither is poor hygiene (I think I called that "user error").

    Originally posted by 7B796273160 link=1296207584/15#15 date=1296358114
    OK, Taken the wand off, and it seems there was a small piece of metal caught in it. I can only assume it has come from inside somehwere?
    A good result.

    Originally posted by 7B796273160 link=1296207584/15#15 date=1296358114
    Anyway, Steam is great again -a little concerned about where it came from though, so i might drop by the local service agent.
    I think thats a good idea if you cant figure it out.



    Leave a comment:


  • mote
    replied
    Re: Expobar Minore 3 - low steam pressure

    OK, Taken the wand off, and it seems there was a small piece of metal caught in it. I can only assume it has come from inside somehwere?

    Anyway, Steam is great again - a little concerned about where it came from though, so i might drop by the local service agent.

    Leave a comment:


  • mote
    replied
    Re: Expobar Minore 3 - low steam pressure

    That sounds like it should do the trick, I will get that wand off and see what I can blow out.

    Leave a comment:


  • TC
    replied
    Re: Expobar Minore 3 - low steam pressure

    Gents,

    The key issue here is not statutory warranty, but why the change- if in fact a change has been noticed. The Minore III is not a steam train and this is due to narrow valving. You get that when you choose the machine.

    If the machine comes to pressure normally, which it is, and the steam pressure has changed, there must be a partial blockage somewhere. The most likely cause is milk debris within the teflon tube inside the steam wand due to poor hygiene. Believe me, it happens more than youd think.  :

    The only other likely place for an issue is degradation of the sealing area within the valve. O-rings and grommets are commonly used and if not treated well, these can be damaged and causing blockage. Wear is not a warranty issue.

    Best bet is to remove the wand completely with the machine cold. It requires nothing more than an appropriately sized spanner and no rocket science is required. If you wish, then check the valve performance at pressure.

    Chris

    Leave a comment:


  • Thundergod
    replied
    Re: Expobar Minore 3 - low steam pressure

    Good idea.
    You might be covered by the "Statutory Warranty".

    However if its just gunk youve allowed to build up inside the steam wand thats user error.

    Leave a comment:


  • mote
    replied
    Re: Expobar Minore 3 - low steam pressure

    Reading up on changing the steam pressure and I am a bit hesitant to. The machine is only a few weeks out of warranty and if there is something that may fall under a "generous" warranty I dont really want to risk it ...

    Leave a comment:


  • mote
    replied
    Re: Expobar Minore 3 - low steam pressure

    Thanks all for your help, CJT10 - a picture would be grand.

    I have managed to improve the flow by poking a pipe cleaner up the steam wand but concerned I may push the blockage further up into the machine ...

    Leave a comment:


  • Thundergod
    replied
    Re: Expobar Minore 3 - low steam pressure

    Originally posted by 0E0C1706630 link=1296207584/7#7 date=1296291137
    Is it just a matter of using a spanner near where it joins the tap?
    Yes.

    I changed my original steam arm for the cool touch one.
    It was easy.

    Leave a comment:


  • cjt10
    replied
    Re: Expobar Minore 3 - low steam pressure

    Perhaps you could try increasing the steam pressure to 2.5 and see if this is enough to clear out any possible blockage.
    If you need a pic of where the steam pressure adjustment is located let me know.

    Leave a comment:


  • mote
    replied
    Re: Expobar Minore 3 - low steam pressure

    Is it just a matter of using a spanner near where it joins the tap?

    Leave a comment:


  • Thundergod
    replied
    Re: Expobar Minore 3 - low steam pressure

    If its difficult to see up you might take it off at the ball joint connection and see if you can blow air through or run hot water through it.

    Leave a comment:

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