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Thread: La Cimbali Jr D1 Would like info

  1. #1
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    La Cimbali Jr D1 Would like info

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hi

    I recently purchased a used cimbali Jr plumbed in model and a cimbali jr grinder. I would like to talk to individuals who also own one to get assistance in fine tuning it to get good shots. Thanks

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    Re: La Cimbali Jr D1 Would like info

    Shelby:

    If it is new and has been installed professionally then everything should be OK as far as pressures in the portafilter, flowrates etc.

    If it is bought second hand though then you will have to check all of this.

    I dont own a DT1 although I have used this and the professional Cimbali machines. They all run quite hot but the purge is quite straightforward. You really just purge until it reaches a constant temperature which is something you can see visually. Basically wait until it stops hissing and steaming and settles down.

    I think that they are an easy machine to use, the risk is burnt shots if you dont purge them properly.

    Grant

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    Re: La Cimbali Jr D1 Would like info

    Shelby:

    Here is a url link to the home barista site where they did some testing on the junior http://www.home-barista.com/junior-buyers-guide.html

    Just a warning too. These guys are the ultimate stormtroopers in the espresso world. I take what they say sometimes with a grain of salt as they are so over the top in everything they do and say. On the other hand they always have useful information too.

    Grant

  4. #4
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    Re: La Cimbali Jr D1 Would like info

    mauricem on this forum has exactly that combo. Either wait for him to reply or PM him for details.

    For espresso only, the Cimbali Junior grinder is supposed to be awesome and is on or near the top of my ultimate grinder wish list. The versalab M3 might have pipped it for top place, but it also costs way more and would be difficult to have regularly serviced, so is probably out.

  5. #5
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    Re: La Cimbali Jr D1 Would like info

    almost correct Mark ;), Ive now got 2 juniors and two cadet grinders :)

    came across a plumbed in model and grinder which were as new and I couldnt resist. Ill probably rationalise the inventory in the near future but for now most of the new one is currenty soaking in a tub of descaler. Its taken me about one hour to do what took close to a week last time but the dosatron scares me a bit. My D has a vibe pump which came as a bit of a surprise as I had wrongly assumed all plumbed in models had the rotary pump which I had been keen to compare.

    back on topic, congrats on your purchase Shelby!
    regarding optimising your junior, is it rotary or vibe pump model, ,this will determine how you adjust the boiler pressure and hence temperature. (it would help to know its age and history as well)

    re running hot I ve found the best indicator is a visual one, before a shot I just purge until the stream out of the shower screen has stoped bubbling and then just lock and load the portafilter. This usually only takes a couple of seconds. You may need to adjust the pressurestat to stay in a range of no more than 1.1 bar or whatever suits your taste.
    Id agree with Grant re Home Barista being the ultimate tech resource

    Maurice

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    Re: La Cimbali Jr D1 Would like info

    Shelby,

    congratulations on your purchase. Used semi-commercial machines are hard to get as most hang on to them indefinitely.

    The set up will last you for years and there is probably no real benefit to be gained by upgrading from here...except from the point of view of cosmetics or some other value not necessarily having anything to do with the coffee itself.

    You said you would like to get ...."assistance in fine tuning it to get good shots".

    Please permit me to assume and observe that essentially, you probably have no experience with this type (semi commercial heat exchanger) of machine, and perhaps no experience at all with this machine. My apologies if you do, but if that were the case you wouldnt be asking this question here. May I suggest that at first, you should become familiar with it at all costs and *not* touch anything to do with adjustment.

    Learn how to use it, *observe how you can change the result you get by adapting and improving your technique of use.

    Just do the things any good operator would do in order to get the best possible coffee from a machine. Purge the group before brewing, ie see if there is any overly hot water that should be purged. Fill the filters to the correct level, tamped accordingly, find the best possible grind for the particular machine... Dont fall into the trap of using cheap beans to "set up" with....only use best quality fresh coffee beans, or your eventual set up will be "out".

    These are simple, yet very effective, indeed the most effective ways to "learn" your new machine and get to know it.

    With regard to "adjustments".... dont fix it if it aint broke.

    If the element / pressurestat switches off at 1.1 bars, and if when you purge the group of water it settles down quicjkly as Maurice advised, it probably doesnt need any adjusting.

    The purging process is quite normal on heat exchanger machines.

    Far too much is made of adjusting water pump pressure. Again, if it aint broke, dont fix it.

    No need to refer to websites elsewhere purporting to be technical specialists, some are far too pedantic for their own good....let your cuppa and your taste buds tell you if all is well and if you need any advice, just ask here.

    Regardz,
    FC.

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    Re: La Cimbali Jr D1 Would like info

    Id agree with FCs advice not to adjust it if you dont have to except as mine is in pieces Ill need someone else to tell me what does what when (and if :() it finally goes back together. :)

    FC, or anyone, what do you know about the plastic dosing chamber at the rear of the Cimbali Junior? I gather the metal rods are there to select shot volumes and must detect conductivity in the water as do the boiler fill sensors, but apart from that I only have a vague and worrying recollection of discussed problems with no easy solutions. I did speak to the distributors tech guys and they reckoned they shouldnt play up if kept clean but as Ive never actually seen this beast working Im in high anxiety mode!

    Ill post some pics tomorrow in case anyone else is interested but to me it (the dosatron) looks like a left over prop from a b grade 1950 scifi movie.

    thanks for any advice

    Maurice

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    Re: La Cimbali Jr D1 Would like info

    Behmor Brazen - $249 - Free Freight
    Gday Maurice.

    please see the private message specific to your question.

    Regardz,
    FC.



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