Kevinj

Also be sure the wave washer is installed right side up. It is shown in the manual. Mine was wrong from Dillon, this caused the arm to bind.

KevinJ-Went through manual,no mention of wave washer. Saw a few pictures of the priming system,but no mention made of wave washer position. TWBryan <{POST_SNAPBACK}> The washer detail is shown in the parts breakdown section. The curled edges face the pin, not down over the lever.

Read shear as possible explosion of said primer... <{POST_SNAPBACK}> I guesss I should have made the danger a bit more clear. After 30 years of running equipment I know when my machine is not right. It appears that if a case fits the powder funnel a bit snug and you get a jerk on the down stroke that a primer can turn onto its side. I have not been able to duplicate the problem at will, it has only happened thre times in over 3000 rounds and only after a hitch in the press but not all press problems cause it. There must be a certain point in the travel which allows the primer to be free enough to tip as it enters the opening in the shell plate.

KevinJ- The wave washer is in place, not sure how else it might be positioned? Look in the manual, it has to be right side up or it binds. Mine was wrong right from Dillon. Mine had several small issues which had to be corrected, I done it myself rather than send it back. My 650 never misses a primer, but if the press is not operated smoothly I can get one on its side so don't be to forceful on the down stroke or you might shear a primer.

If you have primer trouble you may want to check the wave washer position.

Check the rod slot for burrs and sharp edges. Also on both of my measures the rod end was not bent square so it was running at an angle to the slot causing a bind. Also the measure has to be turned so the rod is vertical or it will bind. If these bind in the slot return is not positive. There is also a tension adjustment on the crank arm. Unique is a bit hard to get right in these measures. Bullseye, Titegroup, AA #5 all run good.

Check your manual and be sure the wave washer is installed properly.

I would install it the way Dillon intended. I spend very little time adjusting the bar. The measure is offset so I do not know if it will even work turned as you are thinking. I like the fail safe system and coupled with the powder check system it would be near impossible to have a squib or double.