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CoffeeCrew.com Discussion Forum and Guestbook
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interference
User
 Coffee Lover
| Posts: 1 |   | Karma: 1
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Re:Rancilio Issue, Advice Needed - 2008/03/06 08:35
I've had this problem with my Rocky. The problem is probably play / "slop" in the burr carrier threads. This causes the burrs to not meet perfectly parallel. So they are touching before they can get close enough to grind for a 25 second shot. Essentially your zero point has crept upwards. You might notice that at +0 or +1 you can change the sound of the burrs touching simply by pushing on the hopper in various directions...
The way to clean up this problem is to apply teflon plumber's tape around the threads of the upper burr carrier. You want enough so that the hopper turns firmly but smoothly. On my Rocky, this was 2 winds of teflon, applied carefully and precisely.
After doing this, zero point actually went down due to more firmly held parallel burrs and Rocky was once again able to grind finely for a golden rule shot.
It was this experience that led me to upgrade from the Rocky to the Mazzer Mini. The Mazzer has three springs that maintain tension between the burrs to hold them parallel. Since the Rocky doesn't have the springs, the teflon helps immensely. Note that if you often change to drip and press pot settings, the teflon will wear out more quickly. I would recommend reapplying the teflon each time you take Rocky apart for cleaning.
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SweetShot |
2008/03/03 14:01 |
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colin |
2008/03/03 14:17 |
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interference |
2008/03/06 08:35 |
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