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Thread: Vib pump Cimbali Junior D

  1. #1
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    Vib pump Cimbali Junior D

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hi All, I just finished all maintenance on my recently bought Cimbali Junior D.
    Because the pump (Cimbali 533-197-400) looked old and a bit rusty I changed it for a new one.
    I found by a local dealer an Ulka pump type CS M3886. As I was told should be good enough for my Cimbali. First I tried the machine with the old pump, pressing coffee the normal way and had no problems making a good espresso. Since I installed the new one, I cannot press the coffee at all and it takes much longer to make a ristretto.
    I suspect the new pump has no power enough!
    Is there any of you who could enlighten me on this matter? Thanks in advance.

  2. #2
    Not a Shoe Jimmytheboot's Avatar
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    This might be of interest....

    Ulka Bj. '89 gegen '93

    Compares an ULKA ep5 to the CS, says despite the same specs the ep5 sprays water further for whatever thats worth.

    See if you can find a EP5/EX5 for sale, it seems the CS is just a much older generation of the same pump

  3. #3
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    Find out if the original pump had a diode incorporated. If it did, but your new pump doesnt, then someone who is electrically qualified needs to fit up a diode.

    And remember, no electrical qualification, no touchie!

  4. #4
    Not a Shoe Jimmytheboot's Avatar
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    Original pump was an EX5 from what I have found

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    Smile

    The Diode part is what's needed to know.

  6. #6
    Not a Shoe Jimmytheboot's Avatar
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    with diode according to this http://www.atp-czesci.pl/index.php?a...WY/CIMABLI.PDF

    1122739 VIBRATORY PUMP EX5 48W 230V 50Hz
    fittings ř 1/8" countersunk - ř 6 mm pressure max 15 bar
    water temperature max 20°C integrated diode (1N 4007P)
    lead connector 6.3x0.8 mm
    CIMBALI 533-197-400

  7. #7
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    Quote Originally Posted by Jimmytheboot View Post
    with diode according to this

    1122739 VIBRATORY PUMP EX5 48W 230V 50Hz
    ......integrated diode......CIMBALI 533-197-400
    Good work, that will be it then. I venture the replacement pump purchased probably doesnt (have an integrated diode). Someone will need to fit one, and all will be back to normal tut sweet!

  8. #8
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    Thanks guys for all the speedy feedback!
    I already found an address were I can buy the Ulka EX5 with diode!
    Cheers



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