On my 1970 Kaiser m35a (bobbed Duce) I decided to make the rear body dump. This involved re locating the air tanks to make room for the dump hoist. I replaced most of the copper tubing with a plastic pex like product. While I was re plumbing the system I decided to add a 100 psi safety valve. For some reason now the air pressure builds to 100 psi and only the new safety valve that I installed is releasing pressure. Can someone tell me how the pressure is regulated and were this part is located on the truck, also were this part can be purchased
Thanks for everyone's help
mike
Thanks for everyone's help
mike