Lubricant is supplied to the joints and the sliding member by taper lubricator nipples or flat lubricating nipples. Where the lubricating points on a joint are placed opposite each other, lubricant need only be supplied at one nipple. Make absolutely sure to clean the lubricator nipples before lubrication. The grease reaches four joint bearing through the ducts in the spider. Supply lubricant unit lubricant avoids harsh strokes or forceful impact that can damage the seals.
The splined shaft connection of the length displacement of cardan shaft requires a controlled supply of lubricant in order to avoid high hydraulic forces that impair the axial movement. Rilsancoated spline shaft connections are lifetime lubricated.