[Werner]

Guten Abend.

Thank you all for anticipations.

1) There are bearing damages. The flanks of the soft metal bearing shells have chipped off on the outer edge. Z 2 the damage goes up to 1/4 in the area. That was the cylinder that pounded loudly.
What can the edge chipping come from?

2) Can someone explain why the babbit clearance is set with the shims? The supporting hydrodynamic lubricating film is interrupted by the gap.


The surface of the crankshaft is o. k.