Cummins — SPECIFICATIONS - GROUP 18

Section V - Specifications - Group 18 Component Specifications and Torque Values M11 Page V-5 Component or Assembly (Procedure) Ref.No./Steps Metric U.S. Piston Ring End Gap The ring gaps must not be aligned with the piston pin bore. Rotate the rings to position the gaps as shown. Connecting Rod Side Clearance 0.10 mm MIN 0.004 in 0.30 mm MAX 0.012 in Note: The rod must move freely from side-to-side.

Gear Housing Protrusion (below the cylinder block oil pan rail) 0.15 mm MAX 0.006 in Camshaft End Clearance 0.13 mm MIN 0.005 in 0.33 mm MAX 0.013 in Lubricating Oil Pump Gear End Clearance 0.064 mm MIN 0.0025 in 0.270 mm MAX 0.0106 in Hydraulic Pump Drive Shaft End Clearance 0.076 mm MIN 0.0030 in 0.635 mm MAX 0.0250 in Engine Timing Note: The timing marks on the camshaft idler gear must align with the timing marks on the accessory drive, crankshaft and camshaft gears to make sure the engine timing is set correctly.