Submitted for a possible sticky to help all those just getting a BUD. on a polar mount

Page 01 thru 03 also apply to an Az-El mounted BUD.
PDF for ease of printing.
Any errors or possible clarifications welcome, can edit.
Page01 - Why the feed must be centered
Page02 - Check for warp
Page03 - Focal length and f/D
Page04 - Declination chart
Page05 - Assembling the Declination
Page06 - Adjusting for Zenith
Page07 - Finding Zenith Satellite
Page08 - Adjusting Azimuth
Page09 - Feed tweaking
Page10- Terminology