Hi, Fast Eddie,
No, the unplugged M10 top holes (they are usually plugged with set/grub screws) are alternate mounting locations for the QCTP.? I added recently access holes to allow adjustment of the conning tower nut that drives the cross-slide, as John tells me this will be important to the program setup once I get the ELS working.? (You need to enter a backlash value.)
You must back or remove the cross-slide to access the center conical set/grub adjustment for the tensioners.? You need a hex/Allen wrench with a "ball" end to adjust them, as they lie under the cross-slide lead screw.
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Regards,
Charlie
New Jersey, USA