New Holland t6.175 air brakes

[irlt6]

I have 2013 t6.175 50 k 17x16 with air brakes. the 17th gear has disappeared from the monitor and is not engaging. The compressor for the air brakes has stopped working aswell so the pressure isn’t building on the air brakes. would this be the cause of 17th gear not showing up and is there any way of getting the warning light for low air pressure to go off . Tia

 

[Spanner_Man]

Not related. Man with laptop required for 17th gear, sounds like it has lost some of its configuration. Is there no air in the system at all? Compressor belt still There?

 

[davidroberts30]

its not a combined alternator/compressor belt?
known of a 7040 that lost top gear and rough gear shifts, caused by a dodgy battery

just needed recalibration

 

[Spanner_Man]

T6 separate compressor belt. Calibration won't work if 17th gear not configured