01 - Made of hot-rolled plate steel of GOST.14637-89, also hot-rolled steel of GOST 19903-2015. It is attached to the cover TSN.02.102 in movable guides, thanks to which the degree of belt tension between the gearbox pulleys is regulated by the corner TSN.02.160. The cup has 2 versions with different mounting dimensions for different motors: AIR112MV6 and AIR132S6.