Identification of interacting parts

Identification of main and connecting rod bearing caps

The circle shows the designation of the base and the cap of the connecting rod.

Diameters of seats of main bearings

Nominal dimensions - without designations.

Repair dimensions 0.10 mm - designation with white paint on the main bearing caps.

Indigenous necks

Nominal dimensions - without designations.

Repair dimensions -0.25 mm - designation with green paint on the shoulder of the nearest knee, to the main neck of a reduced diameter.

Crankpins

Nominal dimensions - without designations.

Repair dimensions -0.25 mm - a colored sign made on the shoulder of the nearest knee, to the main neck of a reduced diameter.

Attention! Crankshafts, in which both the necks and liners of the main ones, and the connecting rods, have reduced dimensions, are indicated by two colored signs.

Connecting rod bearings

Connecting rod bearings of repair dimensions are marked on the outer surface.