Our neighbor came over with his 7088 to give us a hand. He only worked with us for 3 or 4 hours and the combine caught fire around the rear lh panel. We put it out with minimal damage. One hour later there was a fire in the stubble. When he stopped we found two more smoldering piles of chaff and dust on the combine. One by the batter box and the other in the rear lh panel again. We couldn't find any hot bearings or any cause. We put a chain on the help with static. He has 200 hours on this unit,never had a problem until he came to our farm. We think the chaff and dust is sitting in the thermostat/alt/exh manifold are,catching fire and being blown thru the engine compartment. We cant explain why he had no problems till he got to our place. He runs this machine by itself,now he is working with 2 8010's. We are picking up in canola. The dealer was out and looked this AM but are not sure either. Has anyone else had any issues? Any ideas?