Centinel System – Repair Manual – 002-004   Cylinder Head

WARNING  This component or assembly weighs greater than 23 kg [50 lb]. To prevent serious personal injury, be sure to have assistance or use appropriate lifting equipment to lift this component or assembly.

Use a chip vacuum to remove the excess oil from the top of the cylinder head.

Remove the cylinder head capscrews.

Use engine lifting fixture, Part Number 4919360 or equivalent, to lift the cylinder head.

Remove the cylinder head. Remove and discard the gasket.

Remove the fire rings from the cylinder liners, if equipped.

NOTE: This step is not applicable if the engine has flat-top liners and a single-piece head gasket, or when upgrading from grooved-top liners and a 13-piece gasket to flat-top liners and a single-piece gasket.

Prior to removing the cylinder head gasket and sealing rings (if installed), examine the gasket for carbon tracks across the sealing ring.

The pressure of carbon indicates a combustion leak.

Remove the cylinder head gasket.

Make sure the cylinder liner recession or protrusion (based on liner style) is within specification.

Refer to Procedure 001-028 in Section 1.