08-15-2018, 08:16 AM
A leak at the HCV's which are supplied from the service tank will not cause the brake pressures to decline since there are check valves in the air supply lines from the service tank going to each of the brake tanks.
It would be very helpful if we had a diagram of the air system. You can find a system for trucks online, which is helpful, that does not include all the other air powered stuff on our coaches. If you take the truck diagram and add the HWH diagram you will gain a lot of useful perspective.
It would be very helpful if we had a diagram of the air system. You can find a system for trucks online, which is helpful, that does not include all the other air powered stuff on our coaches. If you take the truck diagram and add the HWH diagram you will gain a lot of useful perspective.
Jon Kabbe
1993 coach 337 with Civic towed