Hi everyone I have this 94 JD 5200 that I just got with 878 hrs and it’s been sitting for 3-4 years now. Question is beside a new battery and topping off the fluids what can I do to make sure I don’t make anything worse. Nightmare situations are my specialty. So before I even crank that starter I was thinking I should somehow open up the combustion chamber because maybe it’s full of diesel fuel. Anyone have any idea how to do that or if I even should. So let me know what stuff you think I should do.