Video
Parker PGM511 Gear Motor Mystery: Brand New Inside, Blown Shaft Seal — Why?
We see a lot of gear pumps and gear motors on this channel, and usually the failure is obvious the moment the unit comes apart. Not this Parker PGM511. Russel opens up this aluminum 500-series gear motor and the internals look brand new. He spots some odd marks on the gears before eventually finding the culprit.