Ship Auxiliary Engine Overhaul | Ship Main Engine Overhaul | Marine Engine Services | Diesel Engine Repair & Overhaul

Maintenance & repair of ship main engine, auxiliary engine, diesel engine, and generators is undertaken by RA Power Solutions through the skilled and highly experienced technicians who have been working with reputed engine manufacturers, shipyards, and OEMs. Our skilled engineers always take the right approach to repair the diesel engine onsite which helps our client to reduce the breakdown time and cost of repair.

Repair & Overhauling of Ship Auxiliary Engine
Repair & Overhauling of Ship Auxiliary Engine

We always depute our highly experienced team of technicians and engineers for the repair of engines which are damaged due to the accident. Technicians travel with calibrated instruments to inspect the major components and also undertake the repair onsite in case possible. This is of great advantage to the customers as they need not engage a third party for inspection and repair of the damaged components on-site. We also supply genuine spare parts for the engine in collaboration with our partners based in the UK. We are giving below the process of engine repair which has been undertaken by us recently.

Complete Overhaul of YANMAR 6T220-ET main Engine

Description:

  • Overhaul of 6 nos cylinder head, replacement of valve seats and valve guides. Replacement of all valve stem guide O-ring seals. Checked cylinder heads warpage and pressure testing of all heads at 5 bar.
  • Overhaul of jacket water, lubricating oil cooler, and charged air coolers.
  • Dismount and overhaul of VTR 230 turbocharger, renewed the oil slinger, nozzle assembly, and both compressor and turbine side bearings.
  • Dismount and overhaul all the air starting valves, relief valves, piston rings, and seals were changed.
Overhauling of Cylinder Heads
Overhauling of Cylinder Heads
Ship Main Engine Overhaul
Ship Main Engine Overhaul

  • Withdraw all the pistons, took piston clearances, and check and cleaned piston ring landing and renewal of piston rings gudgeon pins and big end bearings.
  • De-glaze the cylinder liners.
  • Took Crank web deflection measurements prior to and after the renewal of main bearings.
  • Renewed all main bearings shells.
  • Dismount and overhaul all fuel injectors and pressure test the nozzles.
  • Dismount and overhaul the fuel pumps and replacement of delivery valves, plungers, and barrels.
  • Setting of valves tappet clearances.
  • Overhauled both emergency and attached lubricating oil pumps.
  • Dismount and overhaul both seawater and jacket water pumps, and replaced the mechanical seals.
Inspection of Connecting Rods
Inspection of Connecting Rods

The author is Mr. Raj Shahani, Managing Director of the company. He is having 40 years of experience in providing onsite diesel engine repair and overhauling services all over the world.

For more information regarding overhauling of diesel engine and repair of diesel engine, ship auxiliary engine, ship engine overhaul services, ship spare parts please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Diesel Engine Overhaul & Repair | Large Diesel Engine Repair | Marine Engine Repair | Overhauling Services by RA Power Solutions

RA Power Solutions is the leading company extending Diesel Engine maintenance, Repair & overhaul services having experience of 40 years in this field. We have a team of skilled technicians & engineers who have worked in shipyards, Diesel Power Plants & Engine manufacturing companies. RA Power Solutions feel that proper analysis of trouble in Diesel Engine & its solution is of great importance for successful repair. Our technicians are able to quickly analysis in the case of breakdown & undertake the corrective action.

The major overhaul of MAK M453C main engine undertaken by our engineers recently was executed in record time & detail scope of work is as following:

  • Overhaul of 6 nos cylinder head, replacement of valve seats and valve guides. Replacement of all valve stem guide O-ring seals. Checked cylinder heads warpage and pressure testing of all heads at 5 bar.
  • Overhaul of jacket water, lubricating oil cooler and charged air coolers.
  • Dismount and overhaul of VTR 250 turbocharger, renewed the oil slinger, nozzle assembly, and both compressor and turbine side bearings.
  • Dismount and overhaul of all the air starting valves, relief valves, the piston rings, and seals were changed.
  • Withdraw all the pistons, cleaned piston ring landing and renewal of piston rings gudgeon pins, and big end bearings.
Inspection of Cylinder Liners
Inspection of Cylinder Liners
Inspection of Cylinder Heads
Inspection of Cylinder Heads
  • Took piston ring groove axial and butt clearances.
  • Clean inspect and measure the cylinder liner internal diameters.
  • Deglaze the cylinder liners with 120 grit emery cloth.
  • Measurements of bearing cap gaps (k1-k2).
  • Polished the crankshaft and took journal measurements.
  • Renewed all main and locating bearing shells.
  • Took main bearing top clearances by lead wire.
  • Took crank web deflection measurements prior and after the renewal of main bearings with spring loaded dial gauge.
  • Took measurements of both normal and locating bearings k-gap.
  • Dismount and overhaul all fuel injectors and pressure tested the nozzles.
Overhauling & Repair of Marine Engine is in Process
Overhauling & Repair of Marine Engine is in Process
Inspection of Crankshaft
Inspection of Crankshaft
  • Dismount and overhaul the fuel pumps and replace the springs, delivery valves, plungers, and barrels.
  • Setting of valves tappet clearances.
  • Overhauled both emergency and attached lubricating oil pumps.
  • Dismount and overhaul of the jacket water pump replaced the bearing and mechanical seal.

The author is Mr. Raj Shahani, Managing Director of RA Power Solutions Pvt. Ltd. He has 40 years of experience in working on large crankshafts and Diesel Engines. He is on the board of directors of reputed shipping companies and companies having a large number of Diesel power plants.

For your requirement of diesel engine overhaul and repair, large diesel engine repair, overhauling of diesel engine, overhauling & repair of marine engine please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Large Diesel Engine Repair
Large Diesel Engine Repair

Overhauling of Main Engine Repair | Repair of Engine Metal Stitching of Damaged Block

RA Power Solutions received an emergency call from a Steel Company based in Indonesia regarding damage of their Engine SULZER 6RND68.

On arrival of our team of engineers, it was observed that lower engine block of SULZER 6RND68 was damaged badly. Hence it required disassembly of complete engine, overhauling and repair of engine block by metal stitching & metal locking.

Damaged Engine Block
Damaged Engine Block

Following is the brief of job description executed:

  • Inspection and overhaul of the cylinder covers including the fuel and starting valves located in the covers. The cylinder covers cooling spaces were also inspected, cleaned and fitted back with new O-rings.
  • Dismount, Inspect and overhaul the exhaust valves, renewed the seals and grinding the valve spindles.
  • The cylinder liners were cleaned, calibrated and honed in order to restore the liners running surfaces and remove ovality. This ensured that the piston rings perform better and this will lead to a better overall cylinder condition, compared to if honing had not been done. The cylinder liners cooling spaces were also inspected, cleaned and fitted back with new o-rings.
  • Replacement of thrust block pads and correction of end play.
  • Metal locking of damaged Engine block by our technicians.
Special Keys & Locks Used in Metal Stitching Process
Special Keys & Locks Used in Metal Stitching Process
Repair of Engine Block by Metal Stitching is in Process
Repair of Engine Block by Metal Stitching is in Process
  • Inspected and adjusted the chain drive.
  • Retightened the stay-bolts, holding down bolts end chocks.
  • Took bearing clearances with a telescopic feeler gauge and checked bearing edges by wire gauges.
  • Crankshaft alignment measurement was taken with dial gauge (autolog method)
    Conclusion: The engine was tested on full load for 72 hours & all the parameter were recorded. The engine is performing satisfactorily.
Repair & Overhauling of Engine is in Process
Repair & Overhauling of Engine is in Process
Inspection of Engine Spare Parts is in Process
Inspection of Engine Spare Parts is in Process

For more details regarding overhauling of engine, repair of engine metal stitching of damaged block, crankshaft grinding, and engine block repair please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Overhauling of Diesel Engine | Engine repair | Marine Engine Overhauling- RA Power Solutions

Engine Overhauling

RA Power Solutions having experience of four decades in on-site repair of major components like crankshaft, connecting rod, cylinder heads and under takes complete overhauling of main and auxiliary diesel engines installed on vessel or on land for power generation and other applications.

Diesel-Engine-Repair-Overhauling-300x225
Overhauling of Wartsila Engine

Following are the main features:

  • Engine overhauling, engine repair and replacement of crankshaft is undertaken by RA power solutions for last four decades
  • Engineers and technicians are well experienced to attend any engine breakdown in shortest possible time, most of the engineers and technicians have experience of working in reputed engine manufacturers plant like Wartsila, Caterpillar, Cummins, Mirrlees Blackstone, etc.
  • All the services pretaining to the repair of Crankshaft and major components of Diesel Engine is available in-house hence in case any component is found damaged at the time of overhauling of the engine the repair is undertaken by our technician on site and downtime is reduced. No need of calling third party for repairs.
  • RA Power Solutions undertakes one point guarantee for engine overhauling, engine repair and replacement of crankshaft as all parts are calibrated and inspection reports are prepared prior to reassembly of the engine
  • Crankshaft replacement, correction of crankshaft flange holes, and all repairs of crankshaft is undertaken on-site with a guarantee and in minimum time. The periodic overhauling as per engine manufacturers recomendation is undertaken.
  • Engineers and technicians undertaking engine overhauling, and engine repair have valid CDC and can sail with the vessel this facilitates overhauling of main engine and auxiliary engine while sailing reducing downtime
  • RA power solutions undertakes engine overhauling, engine repair and crankshaft replacement of all makes and model of a high capacity diesel engines including : Mirrlees Blackstone, Ruston, Allen, Daiatsu, Yanmar, Caterpillar, Wartsila, SKL, Skoda, Pielstick, Cummins, Deutz, MAN, MAK etc.

Overhauling of Caterpillar
Overhauling of Caterpillar Engine

Inspection of connecting rod
Inspection of connecting rod

Cylinder head overhauling
Cylinder head overhauling

Insitu Crankpin Grinding | Crankpin Repair | Marine and Industrial Engine – RA Power Solutions

RA Power Solutions undertake crankpin polish and crankpin grinding of crankshaft for four stroke and two stroke for marine and industrial diesel engines.

We work on medium and high capacity diesel engines having capacity of more than 400 KW. In terms of diameter we can undertake crankpin polish and crankpin grinding onsite for the diameters ranging from 60 mm to 700 mm.

Crankshaft Grinding and Polishing with Highest Precision

The crankpin grinding and crankpin polishing for marine and industrial application is undertaken by onsite crankshaft grinding machine. The diameter, surface finish and all parameters are maintained strictly as per the manufacturer’s specifications. Each job of crankpin polishing and crankpin grinding is executed with the greatest care because inexpertly repair of crankshaft can lead to the premature failure of the bearing causing considerable consequential damage. In fact with four decades of experience in the field of crankshaft grinding and crankshaft repair our experts technicians guarantee machining of crankshaft to the highest professional standards.

Damage Crankpin of Wartsila 12V32
Damage Crankpin of Wartsila 12V32
Insitu Crankshaft Grinding Machine from Crankcase Window
Insitu Crankshaft Grinding Machine from Crankcase Window

Cost Effective Crankshaft Grinding Services

In spite of constantly executing the repairs as per the OEMs standards with the highest quality demand we as an Indian company are considered to be the lowest price wise in comparison to the companies based in Europe, Singapore and other countries. We have executed successfully repair of over 10,000 crankshafts which is a testimony of confidence on us by clients based all over the world.

Inspection and Grinding of Crankpin of Wartsila Engine is in Process
Inspection and Grinding of Crankpin of Wartsila Engine is in Process

Services Related to Repair and Overhauling of Engine

RA Power Solutions offers all the services related to repair and overhauling of medium and high speed engines which includes following:

  • Insitu crankshaft repair, crankshaft grinding and crankshaft polishing up to 700 mm diameter.
  • Engine block repair by metal stitching and metal locking, line boring and other process.
  • Repair of major parts like cylinder heads, connecting rods, cylinder liners, etc.
  • Repair and overhauling of diesel engines.

All the repairs and services offered by RA Power Solutions are supported with guarantee.

We extend services all over the world including Nigeria, Singapore, Indonesia, Germany, Taiwan, Belgium, Korea, Ecuador, Brazil, Mexico, Myanmar, Greece, Spain, Finland, Netherlands, Oman, Dubai, Iran, Egypt, Russia, Philippines, etc.

For more information on onsite grinding and repair of crankpin, engine overhauling services or insitu crankpin grinding please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Diesel Engine Repair and Overhaul by RA Power Solutions, India

Diesel engine repair and maintenance is one of the important services offered by RA Power Solutions through the trained and experienced engineers and technicians. Our engineers are trained with the OEMs, large power station and can handle all the problems related to the maintenance and repair of diesel engine, generators and all auxiliary equipment installed on the vessel or power plant.

It is important that while the diesel engine maintenance is under the process, the major parts like crankshaft, connecting rod, engine block, cylinder liner, cylinder head, etc. are calibrated.

RA Power Solutions is one of the leading companies also providing the services for onsite repair of major components in case need arises.

Inspection of Diesel Engine
Inspection of Diesel Engine
Inspection of Crankpin of MAN Engine
Inspection of Crankpin of MAN Engine

The calibration report of major parts of diesel engine is maintained and handed over to the clients after the overhauling and repair of diesel engine is executed.

The diesel engine overhauling and repairs services comprises of following:

  •  To undertake shifting of high capacity diesel engines from one location to another.
  • Complete overhaul of diesel engine and generating sets is done as per the engine manufacturer’s instructions and maintenance manual.
  • Major Diesel engine repair and maintenance jobs are executed like replacement of engine block, crankshaft, cylinder heads and cylinder liners, etc. in case of accident or normal wear and tear.
  • Diesel engine overhaul and repair is supported by team of experience technicians who can also undertake onsite repair of major components if required.
Inspection and Repair of Engine Spares
Inspection and Repair of Engine Spares
Inspection and Repair is in Process
Inspection and Repair is in Process

We are the only company which can provide all the services related to diesel engine repair under one roof involving crankshaft grinding, engine overhauling and commissioning and supplying new and reconditioned engine spares.

Reconditioning of Connecting Rod
Reconditioning of Connecting Rod

The diesel engine repair can also be executed while sailing of vessel as our technicians have valid Indian CDC. Our services include major repairs like on site crankshaft grinding, Onsite Line Boring, On site Overhauling of diesel engine and marine engine, On site rebuilding’s and other tasks, which are essential for the maintenance of Engines and Generators.

We have recently executed on site overhauling of Diesel Engines in India and Abroad. For more update contact us email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.