Thanks Ronnie,
But it's not the same as mine. The alternator is in the wrong place in your diagram.

On mine the alt is below the Power steer and above the AC and just slightly forward.

The tensioner is above the crank and to the right (as looking at your diagram) or to the front of the car. Just above the tensioner and slightly right is an idler pulley)

Looks like the Zetec on my mate's Focus though.

Wish I knew someone with another escort 1.8 Si 1997. Don't even need to take a cover off really to get enough of an idea.

Cheers,
Tim