8.2.4 Running-in of new seals ▲ Shaft seals can be overheated and damaged during warm up time! 1. Start the feeder an run it in at a 50% speed for approximately 15 minutes. Watch the heating of the shaft. If the shaft is going to be too hot. 2. Disengage the screws and start again with see chapter 8.2.3. 3. Stop feeder and let it cool down for 10 minutes. 4. This process eventually must be repeated several times.