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kttiong

Byer 16 inches motor running very hot

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Hi

Recently i bought this Byer 16 inches turntable. I cleaned and lubricated all the moveable parts including the motor before playing. After playing it for an hour or two , i notice the motor is running very hot.  It is too hot to hold the motor put it this way but the motor is running quiet and with correct speed. 

When i reassembled the motor after the cleaning and lubrication, i tried to spin it and it didnt spin freely and it stopped spinning after one or  two turns. 

Any idea why the motor is running too hot ? Is this normal? I have another Byer professional 12 inches which also has the same problem  as mentioned above. Please advise where is the problem. Thanks in advance.

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Can't help you with the turntable, but do remember that the Byer 77 tape deck motors ran very hot. 

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Thanks Rusty48

just wondering whether they share the same motor type?

1486903849337.jpg

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12 hours ago, kttiong said:

Hi

Recently i bought this Byer 16 inches turntable. I cleaned and lubricated all the moveable parts including the motor before playing. After playing it for an hour or two , i notice the motor is running very hot.  It is too hot to hold the motor put it this way but the motor is running quiet and with correct speed. 

When i reassembled the motor after the cleaning and lubrication, i tried to spin it and it didnt spin freely and it stopped spinning after one or  two turns. 

Any idea why the motor is running too hot ? Is this normal? I have another Byer professional 12 inches which also has the same problem  as mentioned above. Please advise where is the problem. Thanks in advance.

 

did you rebuild the motor ? if you do then try to re-align the motor so it rotate with minimal fiction . more friction = more heat in some degee .

however those motor does run a little more than warm .

regards

Duc

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Thanks Duc, really appreciate to hear from someone like u. Your remarks make me feel much better.

 

No, I didn't rebuild the motors. Both motors worked when I first bought them. However I did change the capacitor for the Byer 12.

 

After I serviced them , I did try my best to let them spin as freely as possible or else it won't spin when the power is on. Obviously, I had tried to let it spin the best before I locked the pins and nuts.

 

I used grease for the ball bearings and motor oil for the motor spindle. 

 

Whenever I touch the motors after a couple of hours playing, it feels like 70degress Celsius. Is that too warm that will damage the motor  Duc ? I remember reading somewhere that the max temperature for the Byer motor is around 30 Celsius? Correct me if I'm wrong.

 

I may try to re assemble the motor again this weekend  to see how it goes.

 

Thanks again all

 

Cheers

kttiong

 

 

 

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 The bearings in all the Byer/Rola/ Plessey motors were  originally fiixed solid bronze bushes. The motors run hot and it is advisable to use a modern synthentic oil for lubrication. The clearance of the bearing and the shaft is critical and it was common practice to return the motor to the factory for refurbishment. It may be possible to fit sintered phosphor bronze bushes to the housing, which would be an improvement as would self aligning fittings.

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Hi VanArn

Any idea where to send for refurbishment if they need to in the near future?

 

cheers

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The Plessey Rola factory closed in the '70,s and if you cannot do the work yourself  it may be possible to have a specialised motor re-winding business such as Electrowind, Sales and Bearings, in Dandenong, do the work for you.

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