Question about 3M Littmann Select Stethoscope

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Can't turn diaphragm to bell - seems stuck?

My littmann 3M classic II SE stethoscope for the past 6 yrs - has always been working well until a few mths ago (since I was in a job that doesn't require turning it to the bell much) it became stuck - how do I solve this problem?

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  • dddd Aug 14, 2013

    hello i had the same problem the solution remove the plastic Tunable Diaphragm and Rim and remove Diaphragm from the tube then pour some oil in the bell and let for some time and then try moving it it worked with me from the first try

  • dddd Aug 14, 2013

    yeah and the them clean the metals from any oil before putting everthing back

  • dddd Aug 14, 2013

    sorry then clean the metals from any oil before putting everything back

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Hello i had the same problem the solution remove the plastic Tunable Diaphragm and Rim and remove Diaphragm from the tube then pour some oil in the bell and let for some time and then try moving it it worked with me from the first try then clean the metals from any oil before putting everything back

Posted on Aug 14, 2013

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Is there a rest button on it
just guessing

Posted on Jan 31, 2009

  • joyojy Aug 18, 2010

    atsherene, have u found the solution to ur problem above?
    cos my stet seems to hv stuck too!

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