If it´s that should it be on the left side, and you will see it easy. It´s black and you don´t have take someting down. Becuse if you running out of petrol, you easy should turn the crane to the reserv. But els it could be the watertank who has brok and the engine is geting overheated after 10 minutes, and the stop. So you should also check so that no pipes i of ore broken.