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Thread: La Cimbali Cadet

  1. #1
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    La Cimbali Cadet

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    hi all,

    I was lucky enough to pickup an old La Cimbalia cadet today for free!

    I had done some work on a couple of grinders for an old employer and they were going to throw it out!* :(

    I found that from constant misuse and lack of cleaning the burrs had seized.* After taking it apart it seems someone had set the burrs too close together or something of the like as there were large chunks of metal jamming the blades.

    After removing and cleaning the burrs, im now having trouble winding the upper bur carrier back in.* Ive had some solid winding in the past, but am at the point where i need some padded grips to turn the carrier past a certain point.

    Its not cross threaded, however on closer inspection there appears to be a few fine nicks on the brass threads and some impacted grounds here and there. I know the previous owner had replaced the burrs themselves at one point, so may have dropped or damaged the carrier slightly then.


    Ultimately, i can get the carrier in and dial in the machine for espresso, which is fine.* The cadet has such fine tuning that once its set to espresso grind it would take me 5 mins of winding to coarsen it anyways!

    However it would be nice, just for my perfectionist temperment to have the carrier wind down smoothly.

    Any suggestions on methods to repair/make it a cleaner wind of the top carrier?

    Also, the knob/dial for grind adjustment has been lost along the way. Any crafty ideas for an easy replacement?

    oh and lastly, (sorry long winded i know) i had to wash the burrs in warm water and detergent to remove all the accumulation.* Is it neccesary to season the burrs before re-installing? or will constant use prevent any rust building from exposure to the water?

    Cheers

    Ruks

  2. #2
    Mal Dimal's Avatar
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    Re: La Cimbali Cadet

    Gday Ruks.... :)

    Nice pick-up mate, great grinder the Cadet. 8-)

    Regarding the damage to the burr carrier thread, you should be able to obtain a Thread-Chaser tool that can be used to remove any indentations, etc. Conversely, you could also a very fine triangular file for the upper burr carrier but if the static thread in the main casing is also damaged, you will definitely need to use the chasing tool mentioned above.

    These usually can be obtained from a decent tool store. Just take the Upper Burr Carrier with you so that they can measure the thread and supply you with the appropriate tool.

    Re: seasoning the burrs... I dont think you need to do anything other that grind some fresh coffee through the machine and all will be well. You dont want anything other than coffee inside there.... ;)

    All the best,
    Mal.

  3. #3
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    Re: La Cimbali Cadet

    Free is always good* 8-)

    It could also be just a build up of rancid partially dried coffee oils. When I pulled my DRMs (slightly different but basically Cimbalis) all the parts got a good soaking in Cafetto and this helped a lot with the very fine thread on the burr carrier. Mals suggestions should help too* :)

    Word of warning DO NOT lubricate the burr carrier Brass on Aluminium doesnt need it and any binding will be caused by a mechanical problem.

    If there are gall marks on the grinding faces then time to spend a few $$ on your free grinder and buy some new ones, chances are they were worn out and had been wound in to try and overcome this.

    Couple of recent threads on Cimbalis
    http://coffeesnobs.com.au/YaBB.pl?num=1163194566
    http://coffeesnobs.com.au/YaBB.pl?num=1222432676

  4. #4
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    Re: La Cimbali Cadet

    hmmmm, might give the cafeto soak a go first, if no joy then ill have a crack with the thread chaser.

    by "gall marks" your referring to wear on the burrs, yes?

  5. #5
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    Re: La Cimbali Cadet

    Referring to marks on the 2 flat mating faces caused by contact with each other rather than a foreign hard object causing damage. It is not uncommon to have the odd rock bit of sand, metal or other nasties over time go through a grinder.

    General wear of the bevelled parts and blunting of them over time is normal but unless the burrs have been run touching the flat faces should remain very smooth and unmarked.

  6. #6
    tek
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    Re: La Cimbali Cadet

    Cadets are really poor qaulity Ive had to scrap more than a few due to not being able to refit the top carrier

  7. #7
    Mal Dimal's Avatar
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    Re: La Cimbali Cadet

    Quote Originally Posted by 3C2D23480 link=1301207657/5#5 date=1301477418
    Cadets are really poor qaulity Ive had to scrap more than a few due to not being able to refit the top carrier
    Some pretty happy owners around here though tek... :-?

    Pretty well all of them would be seeing use in a home situation though, not commercial.

    Mal.

  8. #8
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    Re: La Cimbali Cadet

    Quote Originally Posted by 40515F340 link=1301207657/5#5 date=1301477418
    Cadets are really poor qaulity Ive had to scrap more than a few due to not being able to refit the top carrier
    :(

    Well it is in a home setting now, max 3 doubles a day. Carrier is in an has free movement in the grind range needed for espresso, so im pretty happy with my free grinder :D

    Though I can see easily how the carrier would be an issue in a more productive coffee environ.



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