is followed to secure the con rod the men equipped the bolt with a hydraulic clamping cylinder they then attached oil pressure lines [Music] the hydraulic system forces the bolt apart at a pressure of 1,600 bar now the nut can be screwed on and the pressure reduced again the threads of bolt and nut are pulled together in a solid link installation of the power units is now finished along with the preliminary work on the fuel lines and the exhaust and cooling systems the gantry transports the engine block on to station 3 where a