Hei igjenn
Fant frem linken
http://www.geocities.com/michell_gyrodec/
BEARING MAINTENANCE
The oil in all Michell bearings is a synthetic oil that is very resistant to degradation, and hence needs seldom to be refreshed. Replacement oil is available through distributors and dealers. Alternatively, you could use Mobil One 0-W-40.
In the bearing only the bearing ball can exhibit minor wear over time. If you detect any sounds from the bearing, you should only lift off the top, and turn the ball into a slightly different position. After this you're set for another couple of years of normal use. (Does this sound weird? OK then, when spinning the bearing the ball rotates only along the platter spindle. There is no further precession. This means that the ball always holds the same position viz-a-viz the bearing shaft, and all pressure is concentrated into the same small area. That area is the only part of the bearing ball relevant to performance, so if it gets worn, all you have to do is to turn a new and fresh contact point towards the shaft!).
Of course you could also replace the ball. It costs next to nothing.
Do not ever try to substitute exotic bearing balls of higher hardness. They will only damage the bearing shaft and compromise performance.
Ikke noe jeg har stor erfaring med bare noe jeg fant frem når jeg skulle gi min egen spiller service.
Mvh
Habicht