Section 1 - Cylinder Block - Group 01 Camshaft - Cleaning and Inspection for Reuse (1-16) M11 Page 1-49 After the camshaft has been steam cleaned, do not touch the machined surfaces with bare hands. This will cause rust to form. Use clean 15W-40 oil to lubricate the camshaft. Inspection Visually inspect the valve and injector lobes for damage. NOTE: Cummins Engine Co., Inc., does not recommend repairing camshafts by grinding the valve or injector lobes. If the camshaft is damaged, it must be replaced. Visually inspect the gear for broken or chipped teeth, and cracks. Visually inspect the thrust bearing for cracks. Measure the camshaft thrust plate clearance.
Camshaft Thrust Plate Clearance mm in 0.180 MIN 0.0070 0.330 MAX 0.0130 If the clearance is not within specifications, check for proper gear seating against the camshaft. Remove the gear and check for burrs.