It turned out that the linkage that connects solenoid mechanism and tonearm was seized in the Beogram 4000 that I obtained from the UK. This meant I had to take the sensor arm assembly out to extract the linkage that I could relubricate it. It turned out that the pin on which it usually rotates had seized in the linkage and that the pin was liberated from its pressfit socket in the sensor arm base. I made a video that explains the issue and shows how to repair it:
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Monday, August 31, 2015
Beogram 4000: Restoration of a Seized Solenoid to Tonearm Linkage
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4002,
4004,
adjustment,
bang,
beogram 4000,
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linkage,
lubrication,
olufsen,
RSBG4000UK,
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sensor arm,
stuck,
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