May help if you said what model 306 you have 
Just noticed from another post that you have a hdi so
1 unbolt the a/c pump and remove it
2 rip all the a/c pipes out
3 get a shorter belt and fit it job done

Just noticed from another post that you have a hdi so
1 unbolt the a/c pump and remove it
2 rip all the a/c pipes out
3 get a shorter belt and fit it job done
