There should be 2 oil cooler lines going into the right front side of the motor. There is no oil overflow line. Make sure both oil lines are still connected. Is the oil level still showing full? These motors are pretty tough, but if you ran too low on oil, bad things will happen. 100 degrees F. air temp shouldn't be a problem.
http://www.kaemna.de/pic/gebrauchte/1000dsmulti.jpg
You can see the fittings for the oil lines on the right side near the bottom right next to the starter motor.
http://www.kaemna.de/pic/gebrauchte/1000dsmulti.jpg
You can see the fittings for the oil lines on the right side near the bottom right next to the starter motor.