Thanks Michael,
Whilst manoeurving my workshop manual (with a necessary english to english translation /ubbthreads/images/graemlins/laugh.gif /ubbthreads/images/graemlins/laugh.gif), I didn't read anything suggesting how tight they should be. I did suspect they should be as your answer indicated, but wanted to make sure. /ubbthreads/images/graemlins/cheers.gif