Steven.
Make sure the press is well lubricated especially the indexer rod and the frame cams it runs on, under the shell plate and on the case feeder rod.
Also make sure you get a good positive stop at both the top and bottom of the stroke and most of your worries will dissapear.
Check out this site to help solve your issues.
The Load Master Zone - reloading with Lee presses - videos and forums
loadmastervideos.com :: Index
Parts can be had from these stores.
NZ's Premier Gun Shop, Auckland Guns | Reloaders
Lee Reloading Supplies | Reloading Equipment Lee Precision | Discount Reloading Supplies by Lee | Titan Reloading
https://fsreloading.com/catalogs/lee-precision/
Lee Precision the Innovative Leader in Reloading Equipment
Cheers
Pete
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