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That is a strange sort of setup - and a bit counter intuitive if you ask me - no wonder there is confusion about this. Whenever I have read / talked about collimation of a mirror cell it has been about "push and pull" screws. I guess in your case the push is referring to the locking screw, while the pull component refers to the spring screw. I say the setup is strange as most scopes I have seen have a push / pull grouping of screws right next to each other at three locations. This makes it easier to imagine how they operate. Looking at this layout I can imagine that collimation is slightly more painfull having to loosen off two push screws to adjust a pull screw. If the screws were paired together it would be slightly easier. I can see why you would loosen all the push screws and just adjust the pull screws, then quickly do up the pull screws and hope nothing moves. As I said, this is an unusual setup - wonder why the desingers went this layout? Is it for more support? What does the documentation that came with the scope say about collimation technique?
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