Used and Reworked Crankshafts, Allocating Main Bearing Shells

Used and Reworked Crankshafts, Allocating Main Bearing Shells





Allocation of crankshaft bearing shells for cylinder block
^ Bearing shells are allocated to cylinder block corresponding to color markings stamped into cylinder block.
^ For used and reworked crankshafts, the main crankshaft journals must be measured in order to allocate matching bearing shells.
^ Basic dimension of main crankshaft journals = dia. 65.00 mm.
^ Repair stage of main crankshaft journals = dia. 64.75 mm.
^ Thicker over-sized bearing shells are available for reworked crankshafts. These have same color markings as original-size bearing shells.





Allocation of crankshaft bearing shells for guide frame
- For used and reworked crankshafts, the main crankshaft journals must be measured in order to allocate the matching bearing shells.
- Any other markings on the crankshaft are invalid when reworking crankshafts.
- Allocate bearing shells to determined diameter of main crankshaft journals according to the following table.