Re: Help! The new VBM Domobar portafilter is not turning enough to the right
- From: "Brent" <me@xxxxxxxxxxx>
- Date: Tue, 30 Aug 2005 08:53:59 +1200
Could be the head gasket is to thick - if this has been changed recently put
the smaller sized one in, this assumes you put an 8.5 mm gasket, there is an
8mm one. My understanding is these are not manufactured to accurate
measures - so an 8.5 may work next time. They aren't expensive, so I
normally have several around the place.
> hofer wrote:
>> In the new VBM Domobar machine the portafilter is turning to the right
>> for just 10-15 grades angle leaving more than half of the portafilter's
>> "ear" outside the head's edge.
>> When the grind is fine the pressure turns the portafilter out
>> (counter-clockwise) and throws it on the dripping tray.
>> Grinding coarsely, the problem is eliminated but the coffee is
>> The grinder ("Iberital") has been checked against my old Gaggia Classic
>> and works fine. Beans are freshly homeroasted.
>> Pressure gauge shows about 12 bar.
>> I took out the gasket. It looks just fine and not deformed, it is 8.5mm
>> thick orginal VBM. Lubricated it and returned to its place (by right
>> side: thin side inside/up). Nothing changed.
>> At espressoparts.com they recommend 9mm thick gasket for old worn-out
>> portafilters. As for an analogy, meanwhile ordered 8mm thick gasket.
>> What could be a problem? Is it a not-complying of portafilter/group
>> dimentions or else?
>> BTW, what standard portafilters of other machines comply with the
>> Domobar? I would try to check it with "right" portafilter.
>> Please help.
> If it's a brand new machine then it will take a while for the gasket to
> soften, and greater pressure will be needed when locking the pf into the
> group. Don't be afraid to really lock it in, possibly holding the machine
> whilst doing so. Also, lock the pf in than remove again to see if there
> is an indentation of the showerscreen or any holding screw on the puck.
> If so, you are over filling. Try less coffee. This all assumes you have
> a new machine, supplied with the correct pf.
> If none of these work and you really can't lock the portafilter in at
> around 90 degrees then there is a (most unusual) fault.
> http://www.gaggia-espresso.com (a purely hobby site)
> http://www.dannyscoffee.com (UK advert for my mobile espresso service)
> http://www.malabargold.co.uk (UK/European online ordering for Malabar Gold
> swap Z for above characters in email address to reply
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