ENGINE6-50 TNV IDI Service ManualCylinder BlockFigure 6-76Inspection of Camshaft1. Use V-blocks and a dial indicator to checkcamshaft bend (Figure 6-77). Place theindicator on the center bearing journal.Figure 6-772. Rotate the camshaft and observe the runout.Record the measurements. See Camshaft onpage 6-6 for specifications.3. Measure the height of each lobe(Figure 6-78, (1)). Record the measurements.See Camshaft on page 6-6 for specifications.Figure 6-784. Measure the diameter of the gear end(Figure 6-79, (1)), intermediate(Figure 6-79, (2)), and flywheel end(Figure 6-79, (3)) bearing journals. Record themeasurements. See Camshaft on page 6-6 forspecifications.Figure 6-79Item Finishing PrecisionConnecting Rod JournalUndersize Finished Size1.6418 - 1.6422 in.(41.702 - 41.712 mm)Main Bearing JournalUndersize Finished Size1.8387 - 1.8391 in.(46.702 - 46.712 mm)Journal Radius (R) 0.138 - 0.150 in.(3.5 - 3.8 mm)Journal Face Finish (Ry) 0.8S (Super Polish)Thrust Face Finish (1) 1.6RyRyRR(1)R0000234A0002196(1)0001712A0001713A(3)(2)(1)
