Well I think I may be ok to go, from the below.

Reading starkler's comment : Marko if the secondary is centred under the focuser as seen through the cheshire/sight tube, and the cross hairs are over the reflection of the primary centre spot, you're right to go.
From here:
http://www.iceinspace.com.au/forum/s...ad.php?t=28735
And seeing that scooters 2nd last pic here:
http://www.iceinspace.com.au/forum/s...ad.php?t=28735