ironing board cover for tabletop_wipe clean table cover

The first step to properly installing an o-ring is to select an appropriate lubricant to lightly coat the o-ring.

a) The shaft on which the oil seal is to be mounted should be ground with the surface finish or surface roughness between 0.2 to 0.8 Microns. It is best for the shaft to be hardened atleast to 40 – 45 HRc in order to prevent groove formation on the shaft due to the pressure exerted by the spring.