If the brakes are 'on' during the Winter lay up they will seize. No matter what you do. Try and leave them off for any length of time.
When dunking. Leave the plot to cool down if poss, before the dunk. When retrieving, try and get some fresh water in the bearing area. That is were the flush thinghies are helpfull.
The previous two posters have made very valid comments.
-------------------- Jerk of all trades. Expert in none.
Plus Don,t do serious, lifes too short.