Barient 22-39 CST winch drum not attached to baseplate?

Jul 19, 2018
1
Catalina 270 West Point lake
Hello, I have a 1993 Hunter 33.5 with Barient 22-39 cst primary winches and one the drum is not attached to the boat. It was fine, been serviced, the during a mast climb the hoisting crew had some problems but when I was back on deck the drum would just lift off the baseplate. The Allen had bolt tightens up just fine but it doesn't secure the drum. Any thoughts? Thanks.