New Holland 5070 BC

I hope I can get the help i need here....

 

I bought a New Holland 5070 BC in December 2017. I have baled +- 1000 bales without any problems. I started baling Teff today and the problems is never ending!

 

The baler keeps breaking the twine on the right side at the knot. Each and every bale breaks!!! The bales weigh +- 35kg (77lbs). 

I have tried to adjust the tension but nothing seems to work. The bales are either to heavy or way to light and the twine keeps breaking!

I cannot get the baler's settings/adjustment to bale 22kg (48lbs) bales. 

 

Any help and advice will be apreciated!!

New Holland 5070 BC