Harmonic balancer

1.Elastomer(rubber): hardness 70-75 shore A

2. the complete in static balance should be within 0.05kg/mm

3.slip torque: a torque of 390Nm is applied to the hub at any temperature between -40degree

   and 66 degree

4.No visible porosity allowed on the seal dia and pulley v's

5. Remove all sharp edges and burrs.