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Recent content by manffrogg

  1. manffrogg

    Piston failure Root Cause

    No rust or salt, it would take a considerable vacum to draw water through the turbo into the cylinder since the turbo is about four feet higher than the water inlet. the oil was contaminated by coolant when the rod took out the liner. Maintenance was as prescribed. now warning signs that any...
  2. manffrogg

    Piston failure Root Cause

    no its turbocharged with a wet exhaust at about ten ft from the turbo
  3. manffrogg

    Piston failure Root Cause

    This engine is one of two that provide propulsion for a ship
  4. manffrogg

    Piston failure Root Cause

    I'm interested regardless of the applicability to my case. But $30.00 for 12 pages sight unseen. I checked the site, an excerpt and your endorsement might of pushed me over the edged and caused me to purchase, even though I know it dosent apply, it may be useful in other failures. But i have...
  5. manffrogg

    Piston failure Root Cause

    I'm am pretty sure that the piston seizure lead to the failure. The rod beat the bottom of the piston for quite some time before it let go, then became obliterated and took out the matching rod, this is a Fork and blade assembly. the piston skirt was pulled right off the piston and the...
  6. manffrogg

    Piston failure Root Cause

    I appreciate the responses to my inquiry. This particular failure was to a piston that ran more than 13k hours. It seized in the top of the liner with indications of swelling in the crown. There are areas in the rig belt that were not damaged. There were no real signs of oil starvation as far as...
  7. manffrogg

    Piston failure Root Cause

    I'm looking for any refernces available concerning Piston failures and seizures on diesel engines piston. Many failures are relativly simple to diagnose but a seizure without any coorelateng cause evidence is difficult. I'm looking for any help I can get.

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