From size 25 to 63 the gears are always supplied in the Universal position and can therefore be mounted in any position, from size 75 to size 130 if the position required differs from B3 it must be specified. In particular, when a gear constantly in place B3 is to be installed in positions V5 or V6, the bearing situated in the upper side CHPC/CHM – WORM GEAR WITH PRE-STAGE MODULE should be lubricated using suitable grease that ensures correct lubrication. We’ve tested Tecnolubeseal POLYMER 400/2 grease.