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Beolover SyncDrive: DC Platter Motor Replacement for Beogram 4002 and 4004 (Type 551x and 552x)

Late Beogram 4002 and the 4004 (Types 551x and 552x), which have DC platter motors instead of the earlier synchronous AC motors usually suff...

Tuesday, September 29, 2015

Beogram 4002/4004 (5513): Adjustment of the Platter Bearing

I continued working on the Beogram 4002 (5513) that I am restoring right now. This post reports about adjusting the platter height and tilt. When I received the unit, the platter was at the wrong height and also had significant tilt. The procedure with this model is similar to what I show in the video that I made about this process on the occasion of a Beogram 4000 restoration, but the bearing mount is different in the 5513 type, so I made another video. The key difference between the later 4002/4004 and the original 4000 bearing is that the bearing is now mounted on a tripod plate. Please, watch the video for details of the process. It shows how to do measure the platter alignment and how to adjust the bearing. Enjoy!

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