Quote:
Originally Posted by [1ponders]
That's what I thought. The mount is around 7years old and two years ago it was sent away for a regrease and service. This is the first time I've looked at it since it came back. The large round aluminium bushes that sits inside the large round taper bearings under the large gear had grooves worn in it from the edges of the bearings. I'll have to see if losmandy have replacements for it. I've lightly sanded the edges but there is a significant gap now between the edges of the aluminum bush and bearings. I'd replace the roller bearings inside the axis' but I they are press fitted and I doubt I have the tools to remove them.
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The aluminium bushes are part of the bearing. That's the bearing track. Doesn't matter if it's marked. You get two new ones when you buy a new bearing anyway. The important thing is that the shaft marking are not too deep as to still show even after a light sanding. Otherwise you have to get a new shaft and that could be an expensive exercise. To recap bearings are consumables, you lub them then change them if needed. No big deal. If you got the wrong type of grease then wear happens and if the bearings start wearing out other critical mechanical parts in the mount then you have an (expensive) problem. It only takes 1min tops to remove a DEC or RA shaft on a G11 and check the bearings, or spray a bit of WD40 in there and run them with your fingers. You could do that every month if you wanted to. No need to even remove the worm blocks for a quick service.