I'd found that the old battery in the low primer sensor had gone bad & leaked acid down the ram where it met the main body of the press, effectively welding the two together. I couldn't free it, & called Dillon. their customer rep told me to send it in 2 weeks ago.
yesterday Fed Ex pulls up & Dillon had sent me a new in box complete 550B press, with a note thanking me for using Dillon products. WOW.
Here's to Dillon Precision reloaders: