I just acquired a DR250 Gyro Flo compressor. It over pressures and blows off the relief valve as high as 185psi. Need info on how to adjust or repair unloader valve or how to troubleshoot.
(c) Historical Construction Equipment Association 2013-2024
16623 Liberty Hi Road Bowling Green, Ohio 43402 419-352-5616 - Fax 419-352-6086
Equipment, archives and museum inquiries tberry@hcea.net
All other inquiries info@hcea.net