Goltens was engaged to inspect the main-engine crankshaft on a 23-year-old, 11,700-dwt chemical/product tanker anticipating that the crankshaft could be salvaged with in- situ machining.
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A 10-year-old cement carrier suffered a main engine bearing failure on its Daihatsu 8DKM28 engine. The OEM was contacted by the client to inspect the damaged crankshaft and the OEM determined it was beyond repair and required replacement.
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Goltens received a call from the operator of a nine year old crude oil tanker about damage to one of its three HiMSEN 6H 25/33 diesel generator sets. The engine had recently undergone routine overhaul but during operation, the engine went to overspeed and triggered a shutdown.
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PLANNING & PREPARATION After surveying the vessel for rigging logistics, Goltens prepared all required lifting brackets and rigging gear at its work shop and reviewed the repair schedule and timeline with the customer. Goltens then mobilized the tools and a …
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LIFTING OPERATIONS Goltens’ diesel team arrived onsite with the most of the engine already disassembled by the powerhouse team. The team removed some remaining components from the engine, removed the foundation bolts from the engine and fit the 4 prefabricated …
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PROJECT FACTS Description: MAN B&W HUYNDAI 7L23/30H Location: Portugal – US (under voyage)
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REPAIR RESULTS: Once the engine was rebuilt, Goltens laser aligned the engine and the generator and flushed the lube oil system to clear any debris. The prescribed running in procedures and operational testing were accomplished on voyage after the dry-dock. …
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THE INSPECTION AND THE PROPOSAL During the inspection, Goltens learned that the engine had suffered the same casualty on the same cylinders 30 years earlier. The block had significant damage to the crankcase near the doors, liner landings and the …
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CRANKSHAFT REPLACEMENT AND REBUILD: Disassembly of engine and rigging of crankshaft from engine room and re-assembled of engine components. Full inspection of crankshaft including MPI test on all journals to ensure no crack Straightening of crankshaft and machining crankpins to …
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PROJECT FACTS CRANKSHAFT REPLACEMENT Engine Make/Model: Deutz RBV12M350 Engine Output: 3,236 kW (4,400 hp) at 430 rpm Vessel Tonnage: 7,359 DWT IN-SITU MACHINING AND DIESEL REPAIRS Dismantling of engine and removal of crankshaft Measurement of bedplate Hardness and crack test …
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ENGINE INSPECTION/DAMAGE ASSESSMENT: The inspection revealed that the crankshaft was damaged beyond repair and would need to be replaced. The damaged crankshaft was skidded out from the engine and further inspection of the main bearing showed signs that the crankshaft …
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PROJECT FACTS FALCONIA Engine Make/Model: MaK 6M551AK Output: 2,400HP/1,765kW @ 300 RPM Vessel Tonnage: 1,859 DWT DIESEL ENGINE REPAIRS Complete disassembly of the engine Rigging of the damaged intermediate block, bedplate, crankshaft and engine components out of the engine room …
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GOLTENS OFFERS A COMPLETE PACKAGE In addition to the crankshaft replacement, supply of required spare engine parts and the overhaul of the engine, the owners requested that Goltens organize all aspects of the job inclusive of port facilities and logistics. …
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PROJECT FACTS GAS ENGINE REPAIRS Engine type: Waukesha 12V-AT 27 GL Bore/Stroke: 275/300mm Main Journa dia: 225.00 mm C/P Journal dia: 195.00 mm Location: Jambi – Indonesia ONSITE ENGINE AND CRANKSHAFT REPAIRS Engine disassembly Relocation of engine block to safe …
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PROJECT FACTS M/V CHANG JING 2 Vessel type: Trailing Suction Hopper Dredger Tonnage: 10,966 DWT Main Engine: Daihatsu 12DKM36 × 2 units (6,325KW) CRANKSHAFT REPLACEMENT SCOPE OF WORK Full inspection of STBD main engine crankpin journals Fabricated special tools for …
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PROJECT FACTS DIAMANTINA Customer: Ocean Eight Shipping Engine Make/Model: MAN B&W 12V32/40 Work Location: Batam, Indonesia THE SOLUTION Given the restricted space for line boring and the magnitude of the required repairs, Goltens determined the best approach would be to …
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Disassembly and crankshaft preparation Goltens disassembled the engine components and lifted the block from the bedplate to facilitate removal of the condemned crankshaft. During this process it was discovered that the replacement crankshaft flange holes did not match the existing …
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The Planning Goltens performed an on-site inspection and reviewed AutoCAD drawings of the engine room and overlaid the dimensions of the 9 meter/15 ton replacement crankshaft along the potential route. The evaluation showed that there would be just enough space …
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