dave docwra:
Punchy Dan:
0problem or problems solved ,changed the multi circuit valve and now got 8 bar to the foot valve but still only 4 bar coming out on the rear port ,now hunting for new valve or popit and spring kit .Is this 4bar at the brake chamber, if so and tractor unit only with no trailer it may be a little high…
I tested the load sensing valve after the chambers ,then left it disconnected fastened full open .