Rockwell/Delta 20" bandsaw. Locked

This site has the best collection of online manuals for older Delta machines. Have a look through the list and see if you can't find one of similar vintage. Hint; if you click on the pub type heading the list will sort by machine type. Also confirm that model number is correct. There are manuals for the 28-340 that may provide the needed information. I'm afraid I'm not familiar enough with that saw to suggest a solution to the low/high speed issue.If you are running on the correct pulley positions, and they pulleys are corectly aligned, the belt tension adjusted, and the motor in good shape, I don't understand what the obstruction could be. Perhaps you neglected to adjust the belt tension when changing positions? See the guide suggested above for more on that.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
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