Special Tools
EN-46745Piston Pin Retainer Remover andInstaller
For equivalent regional tools, refer toSpecial Tools.
Warning:Handle the piston carefully. Worn piston rings are sharp andmay cause bodily injury.
Disassemble the piston rings-(1, 2, 3, 4, 5). Usea suitable tool to expand the rings. The piston rings must not bereused.Note:Two retainers hold the piston pins in place. No special toolsare required to remove the piston pins. Ensure that the piston pinis not damaged. Do not reuse the retainers.
Remove the piston pin retainers using theEN-46745remover-(1).Remove the piston pin-(1) and the connectingrod-(3) from the piston-(2).
Oil Pump Disassemble Engine Lubrication Oil Pump
Remove the pressure relief plug-(1),spring-(2), and plunger-(3).Remove the oil pump gerotor cover-(1) andbolts.Clean all of the parts in cleaning solvent. Remove varnish,sludge and dirt.Inspect the oil pump-(2, 3) for wear and scoring.Ensure that all components are within specifications. Refer toEng ...