How to Prevent Gearbox Water Ingress by STOBER
To protect against internal moisture buildup, many NEMA wash-down motors have weep holes in the mounting face. But when a motor is in a wash-down environment, those weep holes become a liability. The gearbox can retain liquids when water and other cleaning chemicals enter through the weep holes. Over time, this will rust the internal components and affect the lubrication within the gearbox, which results in premature failure.