Originally Posted by
Sue Iskenderian
That is the bushing, that block thing. It does have a oil hole right in the center of the indentation for the spring that holds the roller down. It all together slides up into the machine (without the spring). Then there's a hole through the casting where the spring sets down into the recess in the block/bushing. Then a cap that screws in above the spring and pushes against the spring, and that cap has an oil hole in it. And that's how the spring tension is adjusted, raising or lowering the screw. (sorry not used to explaining) Want a better photo or does that make sense?
Your explanation works. I'll have to say that I understand, but it doesn't make sense. I don't know why they would build it in such a way that it's nearly impossible to get any lubrication into that block. Is it possible that a tube could be inserted into the lube hole in the block that would stick out the top and you could add oil that way?
Otherwise I don't think you have any other option than to reassemble as is with some grease in the blocks and flood it with oil periodically.
I still think Motion would be your best bet for a sprocket and chain.
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