Michell motor is noisy:what to do?


Hi
The stand alone motor on my Michell Gyro is kinda noisy.
It is not electrical hum but rather a lisping sound coming from a rotating wheel.Once i heard it i can identify it from 2,5m (my sitting position).How to eliminate it?
overhang
DC motor? I have the same problem and just spoke to Dave @ Artech (US distributor) who told me to send it in to have it looked at. Mine is still under warranty however. I have not done so yet but will post the results.

Wes
I had a similar problem on my Michell Tecnodec, as the little pulley was slightly touching the motor housing, which can happen when the pulley becomes slightly loose. If it is the same problem in your case, it can be fixed within seconds using a small hex key.

Good luck,

Rene
Classic95, did you have a look at the motor pulley before sending it in? The lisping sound from the misaligned pulley was an easy fix on my Tecnodec, which has the same DC motor as the Gyro. In fact another user of the Tecno wrote to me with exaclty the same problem. Looks like the pulley on many new Tecnos and Gyros is just not mounted correctly from the start.

Rene
Well the fedex guy just left with my motor going back to Artech, I'll let you know what the outcome is. If they tell me it's a normal amount of noise I'm not going to be too happy.

Restock, unfortunately no it wasn't just the pulley touching the housing causing my noise, although the motor definitely seemed quieter if i took the pulley completely off. Very nice system by the way.

Wes
Wes, thanks for the update. Good luck with the repair or exchange of the motor.

Rene
Well it took me a couple of days to post this as I had a string of audio events that kind of bummed me out. But the bottom line is Artech tells me my motor is well within acceptable standards for noise "in fact it's quieter than my personal table" according to my contact. Yeah whatever, maybe I expect too much.

Wes
Wes, that's just nonsense from the distributor. My Michell Tecnodec is very quiet. I am sitting only 3 feet away and not a sound. Admittedly, my 30 year old Thorens TD150 is even more quiet, no motor sound whatsoever.

Do you have a dealer close by where you could check other tables for noise?

Rene
Hi Rene,

What happened to Overhang? Yes I agree, I think the motor should be much quieter if not nearly silent. I feel as if I'm kind of stuck at the moment though. And to think this all started almost two years ago when the motor in my then table died. I had a new motor put in and it was never as quiet as the original which led me to the Gyro. I was looking at the Tecno and decided to splurge on the Gyro. My dealer is ok but my main guy left (to join the clergy no less) and he was the one who backed me that the motor should be silent. I actually just received my motor back today so hopefully I'll get a chance to listen this weekend.

On a side note no sooner had I sent my gyro motor back when my beloved Sonographe cd player decided to become very selective of what discs it wants to play (1 out of 5, maybe). I really like what I read about your AA Primo by the way.

Wes
I wonder if the quality control has gone down at Michell. My Gyro motor was perfectly quite, but couple years later after I had "downsized" and bought a new Techo, I had problems w/ the motor as well. I had the same problem as Restock and was able to fix myself w/ some advice from here and the dealer. Good luck,

TLH
Hi,
Just got, believe me or not, Michel answer. Going' to follow this manual and then return back.
Copypaste from my mailbox:

Good Morning Mikhail,

Thanks for your e.mail.

To start, you can place a small amount of oil onto the motor spindle but it needs to be applied from the bottom of the motor. Remove the cap screw from the motor top plate, lift the motor, you will need to push the motor lead back into the motor tube to create some slack and then apply a few drops of light oil to the underside of the motor.  

Regards

Steve Rowland.


J.A.Michell Engineering
2 Theobald Street,
Borehamwood,
Hertfordshire,
WD6 4SE
Gyrodec mk1 mk2 mk3 .... sometimes the small ceramic capacitor under the green off / on switch goes out of tolerance and makes the motor more noisy.

Replace the capacitor and the motor becomes silent