SUPEX AL-2 Tonearm lift repair - diyAudio
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Old 17th July 2013, 09:00 PM   #1
RCruz is offline RCruz  Switzerland
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Default SUPEX AL-2 Tonearm lift repair

Hi all

I have to repair a Supex AL-2 tonearm lift and after some googling I believe I should start by filling the piston area with silicon fluid... My question is: What viscosity should I look for ? 1000 ? 50000?

PS: I am not sure but I believe this lifter is also used in the Fidelity Research FR-66S tonearm.

Hope someone has had experiences with these lifters....
Attached Images
File Type: jpg 1367936017_525Supex_AL-2_armlift-301-USED_EN.jpg (215.3 KB, 130 views)
File Type: jpg 1350477890_912Supex_AL-2_armlift-204.jpg (262.3 KB, 125 views)
File Type: jpg FRICCO_Studio_FR66-S_130cm.jpg (84.6 KB, 119 views)
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Old 18th July 2013, 10:36 AM   #2
RCruz is offline RCruz  Switzerland
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Some pics of the tonearm I am working on:
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File Type: jpg DSC_5695 web.jpg (327.7 KB, 115 views)
File Type: jpg DSC_5688 web.jpg (411.7 KB, 53 views)
File Type: jpg DSC_5662 web.jpg (345.8 KB, 57 views)
File Type: jpg DSC_5659 web.jpg (339.3 KB, 61 views)
File Type: jpg DSC_5658 web.jpg (351.2 KB, 63 views)
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Old 18th July 2013, 11:26 AM   #3
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you can try 10000
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Old 18th July 2013, 11:33 AM   #4
RCruz is offline RCruz  Switzerland
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Thank you sam
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Old 18th July 2013, 11:50 AM   #5
RCruz is offline RCruz  Switzerland
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I saw here Silicone Damping Fluid For Tonearm Cueing Mechanisms, Damping Troughs and Monopivots that one should use 300.000 centipoise fluid for tonearm lifter.... somehow it seems quite distant from 10.000
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Old 18th July 2013, 12:48 PM   #6
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my turntable is Well Tempered,so no tonearm lift, last time i bought the tonearm life from Ebay,and add to the turntable,and i remember i change the original fluid because too soft,so let me check,i will let you know
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Old 18th July 2013, 12:50 PM   #7
RCruz is offline RCruz  Switzerland
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thank you again sam

Some pics would be very instructive
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Old 18th July 2013, 12:54 PM   #8
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sorry for wrong answer before,after check it should be 300,000cst,but it's depend on your tonearm light or heavy.
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Old 18th July 2013, 01:01 PM   #9
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Most lifts work with something in the range from 100.000cst to 500.000cst (as sam mentioned it depends on the wheight of the arm and the tolerances used in the lift). 300.000cst should be a good start
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Old 18th July 2013, 08:13 PM   #10
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Today I experimented with 50.000cst and this stuff behaves more like glue... it sticks to everything and is difficult to remove.... Now I poured some 5000cst into the lifter and I am sure it is not enough... something in between might do the trick
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