I just bought a 9-inch Delta bandsaw and I know there are some things you have to do to get it tuned right so the blade doesn't drift etc., but I have no idea what those are. What are some tips I should follow to get this tuned correctly?
The users manual for the saw should have all the information you need to get the saw setup. This is important because each model of saw will have different guidelines. If it is new saw such manual should have been in the box with the unit.
For a used saw that you purchased at some auction, sale or craig's listing there was not likely a users manual delivered with the unit. :^(
There is help available on line though. Do a search on "Delta Bandsaw Users Manual" will turn up a good bit of information.
One link I found was here.
Key items that they list that would be applicable to band saws: