Alternator adjustments with new belt.
To Remove the belt.
Slacken off the shaft bolt, undo the 'Secure tension' securing bolt. Then unscrew the 'Tension Adjust' bolt. Push the smaller pully to the larger one then its possible to remove the belt. It can be a tight effort to remove.
To adjust or tighten up the belt slacken off the 'shaft bolt,' undo the 'Secure tension' securing bolt. Then adjust the 'Tension Adjust' securing bolt with a 10mm spanner. You should be able to push the belt over 90 degrees after adjustment is completed.