RA Power Solutions was advised about an accident of auxiliary engine Yanmar 6M220L-SN (A/E#01) by a Greece based company whom we are serving for the last 15 years.
Team of two technicians was sent on board the vessel and following main observation was made:
- Counter weight bolts sheared off due to which the engine block got damaged by the counterweights.
- The impact was so high that multiple cracks were observed on both sides of the engine block measuring more than 122 inches.
The scope of work included the following:
- Removal of portion of engine block having multiple cracks by cutting and replacing it with new casting.
- Repair of cracks by metal stitching and metal locking
- Removal of counter weight bolts from the crank web.
- Grinding of 1 no. CR pin which got damaged due to hitting of counterweights.
Action taken by RA Power Solutions
- The entire damage area of engine block was metal stitched and the area having the multiple cracks was replaced by new casting.
- The damaged counter weight bolts were removed and re-tapping was done.
- Grinding of crankpin was undertaken to the second step size of 0.8 mm.
The metal stitching and metal locking was done while the sailing of the vessel. Even the grinding and polishing of crankpin to the undersize of 0.8mm was done while vessel was moving.
The engine has been recommissioned and is operating satisfactorily.
RA Power Solutions is considered to be the most economical company undertaking the critical repairs on board the vessel in minimum time.
For more details of damaged engine block repair, repair crack cast iron, engine block repair services, grinding and polishing of crankpin, and metal surgery of broken components, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.