I am going through a friend's JD finger pickup units off of his JD 7000 corn planter. I got to thinking about how many of them I have refurbished over the years. I know it would have to be in the thousands. I can remember when I first started at the JD dealership that we would do nothing else for weeks in the spring.
Here are some pictures of what leaving seed corn in the units does to them over the off season. The seed treatment is corrosive and will rust the plates. Even if you clean the plates up they will still have rough spots from the rust pits. These pits will damage the kernel and make it more likely to have germination issues in tough growing years.
So clean them out before storing them. Even better remove them from the box and wash them an let them air dry. Then store them in side where it stays warm. The belts will last years longer that way.
Here are some pictures of what leaving seed corn in the units does to them over the off season. The seed treatment is corrosive and will rust the plates. Even if you clean the plates up they will still have rough spots from the rust pits. These pits will damage the kernel and make it more likely to have germination issues in tough growing years.
So clean them out before storing them. Even better remove them from the box and wash them an let them air dry. Then store them in side where it stays warm. The belts will last years longer that way.