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Tek 576 Curve Tracer wanted: Max Peak Volt / Series Resistor mechanical linkage & knobs & Multiplier pot bezel / fixture collar

garp66 All Messages By This Member #159392 hi, Does anyone know about the following mechanical bits on 576 CT front panel ? a) Max Peak Volt / Series Resistor linkage mechanism: I am missing the dual knobs for this & the mechanical (coaxial ?) linkage that extends about 2" behind the front panel to the actual rotary switch inside. -- Does anyone have a spare linkage unit with the two outer knobs or a detailed diagram of this ? b) The Multiplier Pot with its silver fine gradation knob: my Multiplier Pot has been pushed in all the way, hanging inside the instrument ! -- How is this Pot re-afixed to the front panel ? Is there a retention ring, bezel, collar or something ? -- Does anyone have these bits or a detailed diagram ? thank you, rick
Mlynch001 All Messages By This Member #159393 Rick, I cannot help with the first item. Speaking to the second item. The offset pot is held by a plastic cup which is affixed behind the knobs of the pot. This plastic part is not available, except by pure luck or good fortune. I had to actually make one for my Type 576 on my lathe from a block of Delrin nylon. It takes quite some time to duplicate this part, but it can be done. Best of luck in your search. -- Michael Lynch Dardanelle, AR
Craig Sawyers #159396 I've just checked my spares unit, and it is also missing the dual knobs! Craig toggle quoted message Show quoted text -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of garp66 Sent: 27 August 2019 04:04 To: [email protected] Subject: [TekScopes] Tek 576 Curve Tracer wanted: Max Peak Volt / Series Resistor mechanical linkage & knobs & Multiplier pot bezel / fixture collar hi, Does anyone know about the following mechanical bits on 576 CT front panel ? a) Max Peak Volt / Series Resistor linkage mechanism: I am missing the dual knobs for this & the mechanical (coaxial ?) linkage that extends about 2" behind the front panel to the actual rotary switch inside. -- Does anyone have a spare linkage unit with the two outer knobs or a detailed diagram of this ? b) The Multiplier Pot with its silver fine gradation knob: my Multiplier Pot has been pushed in all the way, hanging inside the instrument ! -- How is this Pot re-afixed to the front panel ? Is there a retention ring, bezel, collar or something ? -- Does anyone have these bits or a detailed diagram ? thank you, rick
David C. Partridge Member Profile All Messages By This Member #159397 Be warned, IIRC the linkage that connects between the front panel knobs and the spindles on the HV box must be electrically insulating. You so don't want 1kV on the front panel knobs! David toggle quoted message Show quoted text -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Craig Sawyers Sent: 27 August 2019 08:47 To: [email protected] Subject: Re: [TekScopes] Tek 576 Curve Tracer wanted: Max Peak Volt / Series Resistor mechanical linkage & knobs & Multiplier pot bezel / fixture collar I've just checked my spares unit, and it is also missing the dual knobs! Craig -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of garp66 Sent: 27 August 2019 04:04 To: [email protected] Subject: [TekScopes] Tek 576 Curve Tracer wanted: Max Peak Volt / Series Resistor mechanical linkage & knobs & Multiplier pot bezel / fixture collar hi, Does anyone know about the following mechanical bits on 576 CT front panel ? a) Max Peak Volt / Series Resistor linkage mechanism: I am missing the dual knobs for this & the mechanical (coaxial ?) linkage that extends about 2" behind the front panel to the actual rotary switch inside. -- Does anyone have a spare linkage unit with the two outer knobs or a detailed diagram of this ? b) The Multiplier Pot with its silver fine gradation knob: my Multiplier Pot has been pushed in all the way, hanging inside the instrument ! -- How is this Pot re-afixed to the front panel ? Is there a retention ring, bezel, collar or something ? -- Does anyone have these bits or a detailed diagram ? thank you, rick

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