ACCESSORIES AND MAINTENANCE   Starting Group Shaft Shaft guard Calibration system Calibration weights Maintenance tools Scale elimination dynamometer set Spares parts and maintenance contracts   ACCESSORIES AND MAINTENANCE Starting Group can be mounted on D2T's dynamometers. It realizes engine cranking instead of engine starter. D2T is also offering :. differents types of shaft (sliding elastic shaft or sliding cardan transmissions) adapted to the dynamometer standard shaft guard or specific shaft guard upon request a calibration system to provide a direct reading and calibration of dynamometers in Nm a complete set of sloted calibration weights according to the type of dynamometer and full torque scale special tools for disassembling and reassembling Eddy Current Dynamometers a scale elimination set for the maintenance of the Eddy Current dynamometers water circuit spare parts maintenance contract