400 MK II: Seeking documentation about the lower tube bearing carrier and the keel bolts

Jun 22, 2024
3
Catalina 400 MK II Verplank, NY
New owner of a 400 MK II. Wifey and I really love it.
The survey recommended replacing the bolts in the lower tube bearing carrier, as well as re-torquing the keel bolts.
Am having difficulty finding documentation -- or any information about these things, really.
Where do I find documentation/ information about these issues and how to fix them?
Thanks in advance!