A silly question but I am having trouble with coins getting stuck in the coin tray chute on my new fruit machine. On collecting some will go into main tray but sometimes one gets stuck in the chute between the tray and the hopper coin out. The chute is made out of metal and is quite old and so it has become rusty. If one coin gets stuck any other coins will just get jammed up behind it. It is quite a small chute but it's getting annoying having to open up the top door to get the coins unstuck as light banging doesn't work.