Claas Rollant 66 pressure switch

Hello folks,

 

I have a Claas Rollant 66 round baler and the pressure switch has never worked. The pressure switch is in the hydraulic circuit for lifting the back of the baler and it tells you when to push the wrap button. I have been watching the pressure gauge and wrapping when the needle goes from the green to the red. Does anyone know whereabouts on the pressure gauge the needle gets to when the pressure switch alarm goes off?

 

Thanks,

Roger

Claas Rollant 66 pressure switch