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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, March 31, 2015

Beogram 4002 (5513): Cabinet Repair and Guiding Washers Installation

While I was waiting for the pseudo balanced 'audiophile' RCA cables from Sounds Heavenly, I gave the cabinet of the Beogram 4002 (5513) some TLC. The cabinet was cracked on both corners, and all the guiding washers that hold in place and enable its sliding action were missing. Here is a picture of one of the corners:

It is easy to glue them back together since the cabinet is held together by metal bands. So all one has to do is to put some glue on the wood surfaces and hold it together with carpenter clamps until the glue is dry:


Much more beautiful after glueing the cabinet back together:


This picture already shows one of the new 3D printed guiding washers installed (this one is under the key pad). They enable the cabinet to slide on a precisely defined path (as demonstrated in my YouTube video about the washers). So if you have a 'wiggling' cabinet, then it is time to check if these washers are still there. They were originally made from a flimsy plastic that cracks and degrades over time (B&O realized that soon, and the 4004 models have metal reproductions of them...but the 4002s have usually the (missing) plastic ones. Here is a picture of the replacements. One needs five of them:

Here are the four other locations where I installed them on this Beogram:




Not much left to do except implanting the RCA cables and glueing the two side-tabs of the keypad back down (one can see one of them sticking up a bit on the picture above left of the 'START' label). A Beogram 4002 well on its way to a full recovery!







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