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