VINTAGE L & R MASTERMATIC / ULTRASONIC INSTRUCTIONS QUERY??

Discussion in 'Horological Tools' started by RodJB, Feb 5, 2020.

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  1. RodJB

    RodJB Registered User

    Dec 13, 2008
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    I just got one of these units paired with a Mastermatic machine.
    Does anyone have the instructions for this they could email me?
    Thanks.
    487560-c4afce3ac7625c32c582592637795e95.jpg
     
  2. Chris Radek

    Chris Radek Registered User
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    Apr 13, 2014
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    I use one all the time. Maybe I can answer your questions?
     
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  3. RodJB

    RodJB Registered User

    Dec 13, 2008
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    PM sent Chris.
     
  4. sharukh

    sharukh Registered User
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    Oct 10, 2011
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    If you're asking for instructions why not ask for them on the MB itself ? That way the answer would remain on the MB for others in the future too.

    Sharukh
     
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  5. RodJB

    RodJB Registered User

    Dec 13, 2008
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    Hi Chris,
    I know that on an L & R Master that the heater won't work if the heater bulb is not lit.
    On this Ultrasonic, the bulb does not light up. Does this bulb work the same way as the red bulb on the Master for the heater?
    I looked at the bulb itself & it seems fine.
    When I turn the Ultrasonic on, I hear a fan and can feel a mild vibration from that I think, however, the fluid does not show any sign of the ultrasonic working?
    Regards, Rod
     
  6. Chris Radek

    Chris Radek Registered User
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    The indicator light on the front glows according to the amount of power going into the ultrasonic element. When it's running you can turn the knob on the front to find the resonant point to maximize the light's brightness.

    On the back you should have the round connector hooked to the ultrasonic element, whether that's a tank or the head that goes in the jars. The other connector with two blades should go to the activation switch (it gets poked when the head goes into a jar) or if you have a tank I think it should have a dummy plug (shorted) in it that makes it always active when you turn on the power switch on the front.

    So to run it, turn on the power switch and then poke the activation switch by putting the head in the jar (be sure you have fluid in the jar or tank). You should see the big tube inside light up (you cannot miss it, it's as bright as a light bulb) and hear the cooling fan, and then you can adjust the front knob for the brightest indication on the front light (you will also hear the ultrasonic element's buzzing gets louder as the light gets brighter).
     
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  7. RodJB

    RodJB Registered User

    Dec 13, 2008
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    The wires are connected to the appropriate ports on the Masteratic machine which sits on top.
    The only thing that seems to come on on the bottom is the fan.
    The filaments in the bulb look fine, ie: not broken, but the bulb does not light nor does the machine buzz.
    I will see if I can find another bulb for it.
     
  8. Chris Radek

    Chris Radek Registered User
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    You mean the big glass bulb inside the box (US: "tube" UK: "valve") right? Yes maybe it is bad. The voltages in there are way beyond deadly, so be extra careful when you open it up. But you should be able to pull the tube/valve out of its socket and test for continuity on its filament pins.
     
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  9. RodJB

    RodJB Registered User

    Dec 13, 2008
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    No, I was referring to the little bulb on the front. I had no idea there was a bulb inside?
    On an L & R Master Cleaning machine there is a little red bulb on the front and if it goes, the heater doesn't work.
     
  10. D.th.munroe

    D.th.munroe Registered User

    Feb 15, 2018
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    I have probably a bit older ultrasonic it still works with the indicator light out of the socket.
    I will note when I got mine the transducer had a bad internal wire (nowhere near as hard to fix as I was told it would be) and only the fan came on when I pressed the button
    There is a manual online somewhere for the varimatic, and varimatic 2 with the us manual at the back if I can find it.
    Dan
     
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  11. RodJB

    RodJB Registered User

    Dec 13, 2008
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    That sounds good Dan, I hope you find it.
    Where are you in BC?
    Rod
     
  12. D.th.munroe

    D.th.munroe Registered User

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  13. RodJB

    RodJB Registered User

    Dec 13, 2008
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    Cheers Dan,
    Thank you very much.
    Now I have something to go on while I try to get this working.
    I'm in the Lower Mainland.
    Regards,
    Rod
     

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