Tuesday, April 21, 2020

Causes and signs of liner crack

Sign of liner crack
  • Fluctuation of pressure and temperature of jacket C.W system  
  • F.W coming out from the scavenge drains  
  • Overload at that particular unit (high in exht: temp: and Jacket temp)  
  • Expansion tank foaming
  • Due to rapid contraction of metal  
  • High difference in Jacket water (working) temperature  
  • Insufficient cooling  
  • Over tightening of cylinder head bolts 
  • Design failure 
  • After effect of immense Scavenge fire  
  • Due to loosened out foundation chocks resulting tie bolt slackening and Hoop Stresses on Cylinder liner increases  
  • Due to very high injection viscosity

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