Fig. 2.167. Measuring the diameters of the crankshaft journals
Measure the journal diameters of the shaft in the X and Y directions at two points (A and B) as shown in Figure 2.167.
If the diameters are not within the standard, replace the crankshaft or grind the main journals and install bearings of a smaller repair size.
Neck of the root
Maximum ovality: 0.05 mm.
Crank pin
Maximum ovality: 0.05 mm.