I've had a 5030 for about 16 years and am very pleased with it. The only trouble I ever had was a bad battery clamp that I was able to replace with little trouble. The battery itself is the original and still works as well as when I bought the tractor. Keep up with the scheduled maintenance and...
It looks like the pin to adjust the thumb is missing on the thumb adjustment. I think the bucket moves the object to be picked up to the thumb rather than the other way around. Move the thumb down in the the picture and secure with a pin through the adjusting link.
My driveway is graded base and I try to leave some snow on it when snowblowing or using the FEL. For the stone that gets on the grass, I have good luck with a backpack blower.
Over 40 years ago while building, we installed a steel fire box that was inside another steel box and used outside air. There are two blowers that direct air into the living room and two other rooms if needed. It is similar to the old "Heatilators". After 40+ years it is still providing much...
Had the same thing happen to a Kubota L5030. With the loader on it took me several hours to get to it and replace after some modification to a new clamp.
I prefer doing my own maintenance so it gets done when I want to do it. I can also stop and do some work with the tractor and go back to the maintenance later.
When it's dark out, turn on all the inside lights, open a door and chase it out the door. They don't like the bright lights and will fly toward the darkness.