I think it is the diameter, not the thickness. The reason I think this
is that if I insert just the gasket, without the screen, it fits
perfectly. In terms of thickness, the bottom surface of the gasket, in
this case, is just a hair below the rim of the housing it fits into. But
when inserted with the screen, the surface of the gasket is two hairs
above the rim. I don't think it is the thickness of the lip of the
screen that is causing this difference. I think it is the outer diameter
of the screen which prevents the gasket from compressing enough to slide
into place.
Of course, I'm just guessing based on my observations, but it seems like
either the screen is slightly too large in outer diameter or the gasket
is too large in inner diameter.
By the way, the gasket is stamped with an 8 (or maybe "8mm", I can't
quite remember) so I think it is trying to be the right thickness. I
don't know what the manufacturing tolerances are for these parts. And I
don't have calipers, unfortunately. Maybe I should pick some up.
Peter
On 13-06-03 9:05 AM, Benjamin McCafferty wrote:
If it were me, I'd be putting calipers on the gasket. They come in
differing thicknesses, and I wonder if they gave you an 8.5 or a 9
instead of an 8. Maybe another thing to check.
b
https://www.chriscoffee.com/Group_Gaskets_p/groupgasketg.htm
Sent from my apple IIe
On Jun 3, 2013, at 9:01, Peter Sharpe <[email protected]
<mailto:[email protected]>> wrote:
Mark: It is true that the new gasket is thicker than the old, dried
out one. And it is true that the portafilter handle is "seating"
earlier than the old one. These are not unexpected. But this seems
much different from when the machine was new. It feels like the wings
are barely moving into the slots (although the portafilter feels
solidly in place and does not wiggle.) And, after two+ weeks of use,
the situation hasn't improved.
Ben: No problem. I didn't take any offense at all to what you wrote.
I deal with "bug reports" all the time and realize how important it
is to get the description of the problem clearly stated.
Thanks everyone for your help. I have a call with the service
department this afternoon and we'll see what comes from it. I'll post
an update when there is something useful to report.
Peter
On 13-06-03 8:42 AM, Benjamin McCafferty wrote:
Hey Peter,
Wasn't trying to bust your chops. Each time I read "basket" in your
original, I was picturing the part that holds coffee. I just wanted
to clarify that I now understand what you meant and that hopefully
my response made sense too. No offense intended.
best,
bmc
Sent from my apple IIe
On Jun 3, 2013, at 8:13, Mark Carter-Piff <[email protected]
<mailto:[email protected]>> wrote:
It sounds like the new gasket is thicker than the old one (which
would make sense) and that the portafilter handle is "seating"
earlier than the old one. Which would also make sense.
Have I got it correct?
On Sun, Jun 2, 2013 at 6:22 PM, <[email protected]
<mailto:[email protected]>> wrote:
Today's Topic Summary
Group: http://groups.google.com/group/brewtus/topics
* Trouble fitting replacement gasket
<#13f07a10891fa954_group_thread_0> [1 Update]
Trouble fitting replacement gasket
<http://groups.google.com/group/brewtus/t/8794fcfd23d0b634>
Peter Sharpe <[email protected] <mailto:[email protected]>> Jun
01 04:00PM -0700
Sorry about the confusion. I think of the screen as just,
well, the
screen itself not what it is attached to. But let me
restate things with
the proper terminology.
The screen is a bit loose when there is no gasket. That is,
I can fully
insert the screen and then slide it back and forth. Not too
far, but
there is slack there.
The gasket was inserted with beveled side up.
That gasket and screen were installed about 2 weeks ago and
I lived with
the handle at 7:30 to see if it would gradually seat fully
but I didn't
notice any change after that time.
I used a portafilter without basket to push the gasket up
as far as I
could. Then I added the basket to the portafilter and
pushed again with
it. (When I say "push" I mean that I inserted the
portafilter and
rotated it with the wings in their slots.
The previous time that I inserted this new gasket and
screen I applied
plenty of force with all kinds of blunt instruments but
nothing would
make it budge.
The machine works and does not leak. I was hoping for
something closer
to 6 o'clock though.
Thanks for your reply.
Peter
On 13-06-01 1:38 PM, Ben McCafferty wrote:
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