Friday, January 18, 2008

Small end recondition

 

Sequence of operation

 

 

  • Tidy workstation, observe safety precautions and check accuracy of measuring instruments.
  • Srip and clean connect rod assembly
  • Chech that the oil galleries are clear.
  • Assemble and touque  to the crrect load using a torque wrench.
  • Align connecting rod in alignment fixture.
  • Using a suitable jig press out small end bush on a press and remove any burrs in the rod eye.
  • Drill oil holes before or after pressing in the new bush with a jig, as is suitable.
  • Setup connecting rod on the connecting rod standardising machine with truing cones and then clock small end bore true to the spindle axis with a dail test indicator mounted on the boring bar.
  • Measure bore with T-guage and outside micrometer and determine size to be bored to.
  • Grind and lap tool to the correct angle and radius.
  • Secure tool in boring bar at the correct height using a direct reading micrometer.
  • Bore to size.
  • Remove connecting rod from machine and clean.
  •  


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