RA Power Solutions technicians recently repaired the Daihatsu 5DK-20 crankshaft on board a vessel. A leading shipping company based in Greece operating more than fifty container vessels approached RA Power Solutions to repair the crankshaft of Daihatsu 5DK-20 on the vessel.

The main challenge was that the crankpin no. 03 of Daihatsu 5DK-20 met with a serious accident damaging the radius fillet of both sides of the crankpin. They had a stopover of only 18 hrs at Mundra Port India.

The owners desperately tried to get the crankpin repaired in Dubai. They approached several leading companies, but none of them could repair the crankpin with the damaged radius fillet.

Major Technical Details Of Daihatsu 5DK-20 Crankshaft

Action taken by RA Power Solutions for successful repair of Daihatsu 5DK-20 Crankpin

• The technicians inspected crankpin no. 03 and found an ovality of 0.49 mm with deep bearing marks and a rough surface.
• The accident badly damaged the radius fillets on both sides of crankpin no. 03. It also destroyed the original fillet radius profile of the Daihatsu crankshaft.
• Hardness and crack detection tests were undertaken and were found within limits.
• Deflection was also within the parameters.
• Our technicians with the help of specially designed compact dedicated tooling for repair of crankpin having small bearing width used the equipment. They reduced the diameter of the crank pin by 1.0 mm and maintained the final diameter of 169.00 mm. Our technicians maintained the tolerance within 0.02 mm. They prepared and formed the radius fillet on both sides of the crankpin within 18 hours of boarding the vessel.
• In this case of Daihatsu 5DK-20 the crank pin bearing width is only 78 mm and with our specially designed equipment it was possible to undertake the grinding. No other company have the compact tooling to undertake such repairs on site without removing it from the engine block.
• RA Power Solutions supplied the 1.0 mm undersize bearing. Our technicians were on board when they commissioned the engine.

RA Power Solutions is ISO 9001:2015 (Quality Management System) & ISO 14001:2015 (Environmental Management System) certified approved company.

Globally Service

We have been regularly executing onsite crankshaft repairs and crankshaft grinding in Dubai, Oman, Saudi Arabia, Qatar, Abu Dhabi, Sharjah, Ajman, Umm Al-Quwain, and Fujairah, Bahrain, Kuwait, Iraq, Antigua and Barbuda, Belize, Dominica, Dominican Republic, Grenada, Guyana, Haiti, Jamaica, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Trinidad, and Tobago, Singapore, Russia etc.

For more details of the Repair of engine and supply of bearings, Daihatsu 5DK-20 Crankshaft repair please email us on rajshahani@rapowersolutions.com, info@rapowersolutions.com or Call us at +91 9582647131, or +91 9810012383.

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