Action Taken By RA Power Solutions For Repair of Crankshaft Yanmar 8N 330L EV

i) Since the vessel was anchored near Panama Port, RA Power Solutions deputed two technicians having a valid US VISA and Seaman book. Both technicians flew to Panama along with onsite crankshaft grinding machine and measuring instruments and boarded the vessel within 48 hours of the client’s first information of the breakdown of crankshaft of Yanmar 8N 330L EV.

The Details of Engine / Crankpin are as following:

ii) RA Power Solutions technicians inspected all the crankpins (8 Nos) to check the taper & ovality, the dimensions of observed are pasted below.

iii) On going through the readings, it was observed that the crankpin number #02 has developed excessive ovality of 0.43 MM, against the tolerance of 260.00 MM + 0.03 MM. This is considered very much on the higher side. All other crankpins also have ovality ranging from 0.09 MM to 0.10 MM, The bearing line marks and rough surface on the crankpin were observed.

iv) As a Protocol, hardness was checked of eight (8 Nos) Crankpins and was observed within limits.

v) Crack detection was also conducted, and no crack was observed on damaged crankpin number #02 and other crankpins.

vi) It was jointly decided to undertake the grinding of crankpin number #02 and polishing the remaining crankpins to remove the bearing line marks and to improve the surface finish.

vii) Although in the crankpin numbers #01,#03,#04,#05,#06,#07, and #08 the ovality was observed on the higher side as 0.10 MM, however, this was accepted under divation.

viii) The Crankpin number #02 was undersized by 1.5 MM, A Final Dimensional Report after grinding and polishing of crankpins of Yanmar 8N 330L EV is pasted below.

ix) In order to assist ship staff, our technicians undertook the dimensional and MPI Inspection of connecting rods available on the vessel, they were observed within limits.

The engine was commissioned during the presence of our technicians on the vessel.

We have been regularly executing on site crankshaft repairs and In Situ crankshaft grinding in Dubai, Fujairah, Qatar, Saudi Arabia, Oman, Iraq, Togo, Malta, Freetown, Egypt, Malaysia, Iran, Indonesia, Vietnam, Jordan, etc.

We have a team of trained technicians available 24/7 hrs and can be deputed on short notice. Some of our technicians also have valid US VISA and can fly to South America, Caribbean countries, etc.

For more information regarding crankshaft grinding services, please contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com or call us at +91 9582647131 or +91 9810012383.

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We extend crankshaft machining for the engines installed in diesel power plants and on vessels. The onsite crankshaft grinding repair services are provided through our technicians who have experience working with engine manufacturers. All the onsite grinding and machining services extended by RA Power Solutions are guaranteed for satisfactory performance. The technical parameters and tolerance of Crankpin Journal repair are maintained as per the manufacturer’s specifications.

Over 44 Years of Crankshaft Grinding and Polishing Machining Experience

RA Power Solutions has experience of more than forty years in this field of crankshaft grinding and machining on land sites and on board sea-going vessels and off-shore anywhere in the world. We offer onsite grinding and machining of crankshafts having diameters ranging from 30 mm to 700 mm.

We are well known as one of the leading companies in the field of onsite grinding and machining of rotary shafts. Our technicians can travel to any part of the world without any hassle. Onsite crankshaft grinding and machining is getting popular nowadays as it save downtime and prices.

The onsite crankshaft grinding machine is developed by RA Power Solutions and is used for grinding, polishing, and machining of crankpin main journal, crankshaft, intermediate shaft, alternator shaft, and pump shaft onsite. By using this grinding equipment, we can save the shaft by maintaining all the parameters mentioned in the engine’s manual.

We are extending our services all over the world with a guarantee and we are known for our sincerity and low prices.

We’re Here to Help You Grow

We have been regularly executing the repairs in Madagascar, Oman, Qatar, Philippines, Bahrain, Srilanka, Bangladesh, Myanmar, Turkey, Nigeria, Greece, Saudi Arabia, UK, Dubai, Malta, Cyprus, Singapore, Malaysia, Colombia, Indonesia, Hong Kong, Spain, Netherlands, Dubai, Portugal, Estonia, Morocco, Belgium, Vietnam, Canada, Jordan, Libya, Kuwait, Egypt, Morocco, Yemen, Bahrain, Tunisia, Sudan, Oman, Algeria, UAE, Iraq, etc.

The Author of This Blog: In Their Own Words

This blog is written by Mr. Raj Shahani (Managing Director of RA Power Solutions India Pvt. Ltd.). Mr. Shahani is a highly experienced business leader with rich experience of more than 40 years in the field of Power, Heavy, and Shipping industry. He is a Technical Adviser to many shipping and heavy industries across the globe.

Mr. Shahani is one of the most enthusiastic professionals and he has all the brilliance of an exemplary leader. He is an extremely effective coach and mentor of teams and is adept at providing leadership in a global, cross-cultural environment.

For more information regarding polishing crank journals, crankshaft bearing journal grinding, crankshaft journal grinding, and crankshaft grinding main journal, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

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