Every hydraulic motor offered by Paragon is the product of years of research and experience producing a remanufactured product that performs as well as new. Applying prescribed grind tolerances, each plate surface is ground to the correct concavity.
All depth of metering, timing notches, lubrication grooves and seal grooves are checked. Those that are not in tolerance are recut as needed. The plate surface is treated with a nitrate coating that ensures low leakage, high torque capability, longer service life and even increased cycle times in many applications.
Every cam ring inside contour is refinished using a series of polishing wheels that follow the contour to smooth out even the slightest surface imperfections without changing the slope and dwell angles (that retain perfect vane stability). The case hardened ring has more than enough surface treatment to withstand this polishing.
