The Mellotron Group

If you must use alcohol, denatured alcohol works fine. Oiling pinch rollers  
is a temporary fix, at best. Oil attracts dirt and the rollers eventually 
stick  again. I usually pop the roller out of the key spring (carefully) and clean 
the  axle with a Dremel tool and a wire wheel. Then I clean and deburr the 
inside of  the hub until it spins freely on the axle. I then reinsert the axle 
and roller  into the spring. and re-peen the axle ends. This is a permanent 
fix. The roller  will never again require oil.
 
Frank II



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