Beogram 1203 part replacement

13 replies

Hello,

 

I am at the moment repairing a beogram 1203 it is in beautiful optical condition and will be moved to the living room once it is 100%.

I have already replaced the drive belt but the lift mechanism doesn't work. the Arm positions to the preset record size but doesn't lower itself.
Upon opening the beogram I found the cam-lifting wheel to be broken and I am looking to find a replacement.
Is there anybody who has such a part  and is willing to sell it to me ?


Hi

Yes I have a spare, I'd be happy to let you have it.

Please contact me offline.

Regards

Menahem

Location: Jerusalem

My B&O Icons:

Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beomaster.png Beomaster.png
Beogram-400x.png Beogram-400x.png
Electronics Technician in Jerusalem Israel. B&O fan for over 50 years.

Hi All,

 

Thanks a lot for the offer Menahem but I have just got one via Dillen.

One more thing I could use help in from anybody is suggestions how to clean of the old grease and lubricate the bearings and motor. For instance do I flip over the beogram or do you get in from the top ?

Any sugestions are more than welcome.

Pim

 

You need to flip it over to get access to everything, but you MUST first setup supports for the aluminium panels to rest on, otherwise you will damage the tonearm!

Location: Jerusalem

My B&O Icons:

Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beomaster.png Beomaster.png
Beogram-400x.png Beogram-400x.png
Electronics Technician in Jerusalem Israel. B&O fan for over 50 years.

I finaly found the time to clean the bearings and put in the  cam-lifting wheel.
However, the arm liftsand lowers  but the mechanism doesn't seem to know what to do.
Can anybody inform me what the proper position (how do you put it in ?) of the cam wheel should be ?

Many thx in advance

 

Pim

when the cam gear is in turn the platter until the cam wheel stops, check if the arm are up or down, if the arm is up, thats the 0 start pos., if the arm is down, turn the cam gear until it engages to the platter gear, turn the platter until cam gear stops,

Connect the deck and try.

And a pic from the mechanism, from below, would help me to see if something is missing.

Location: Mexico city

Retired
Printing machine technician
Restored various 1960-70 items
Rock and Roll music
Collecting Vinyl
Restored Jukebox Wurlitzer 1050

 

Hi Soren,

 

I have followed your instructions and after 2 hrs of carefull tinkering I have got the lift to work fine, thanks for the help.
Only thing now is the automatic arm mechanism leading its own life, so I will add a few pictures as you've adviced.
Please have a look perhaps you see something I have missed.

 

kind regards Pim

The last picture shows the cam gear in the 0 position.

 

 

I have to go working, but what is the the problem with the arm automatic, does it move to the record, and does it set down correctly, does it by end of record go back to rest, ???

Location: Mexico city

Retired
Printing machine technician
Restored various 1960-70 items
Rock and Roll music
Collecting Vinyl
Restored Jukebox Wurlitzer 1050

Take of the flywheel (small pin through the main shaft gear and shaft, take a look at the the mechanism shown in the pic, dont take it apart as in the photo.

Check if the shift lever for 33/45 is working, and the other lever is moving freely, Clean and lubricate.

The arm has an "overload" clutch, this clutch does that you can move the arm in and out feeling kind of hard, check that, if moving very light the clutch is bad or not working, If OK move the cam wheel to arm down pos. move the arm toward record and it should move very light, not as hard as when moving the arm in rest pos. If it moves hard you will have to take the arm shaft out and clean and lub.

Location: Mexico city

Retired
Printing machine technician
Restored various 1960-70 items
Rock and Roll music
Collecting Vinyl
Restored Jukebox Wurlitzer 1050

Check that the thin steel rod that swings the tonearm, runs correctly in its groove in the sequence wheel.
It sounds as if it runs outside of the wheel rather than in the groove.
It's the one that goes through to the upper side of the deck just at the sequence wheel where it ends in a
nylon wheel teflon brake).

Martin

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