Pic. 2.99. Marking of the size group of the main bearing shells
When replacing standard size liners, use liners of the same size group as indicated on the bearing cap. There are size groups of liners, indicated «1», «2», «3» (pic. 2.99).
Connecting rod inner diameter:
- marking «1» - 51.000–51.007 mm;
- marking «2» - 51.008–51.013 mm;
- marking «3» - 51.014–51.020 mm.
Standard sizes of liners according to their thickness:
- marking «1» - 1.485–1.488 mm;
- marking «2» - 1.488–1.491 mm;
- marking «3» - 1.491–1.494 mm.
Remove the remnants of the calibration wire from the working surfaces of the neck and liner.