For example, using the gearbox fitted to the shell, the need for gearboxinput shaft axis lines at the engine crank axis lines.
例如，将变速器装配到离合器壳上时，必须使变速器输入轴的中心线与发动机曲轴的中心线对准。
2
Automobile clutch in the engine and gearbox between the flywheel shell, with screw will be fixed in the clutch assembly after the plane of the flywheel, clutch gearbox output shaft is the input shaft.
The reference is chosen tobe the base of the input shaft and the output shaft of the gearbox, and the top and the two technological holes are used as the reference.