Smart Belt breaks into a common disease test

Recently, the Mercedes-Benz Smart car has received a lot of complaints due to frequent engine belt breakages (for details, see "Fast Belt Breakage, Smart Suffering from 200 Vehicle Owners Complaints"). A further investigation by the “Reporter on Consumer Reports” foun

Schuck valve analysis and maintenance

1 SCHUCK Valve Body Analysis 1.1 Schuck ball valve housings are different from common ball valve housing welding methods SCHUCK ball valve uses two semi-circular wrought steel shells to be welded on the bearing surface with only one weld, which is consistent with the shape of the sphere