Useful advice: Not necessary to disasemble secondary assembly....

[pat]

Instead of using a metal fender washer between the secondary holder and the secondary. So that the adjuster screws will not cut into the holder. Or if they already have (making divits). I've cut a wedge in a rubber fender washer, and when I reach the center hole I cut it smaller than the center bolt. Just pull the washer on. It won't fall off. If one of your adjuster bolt misses the rubber, just turn the washer. I tilted and rotated the secondary. So far its works fine. Pat

Too many stars too little time

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[umadog]

Yes, this helps a lot. You can also make one of these out of a plastic milk container.