Extend the Lifespan of Yanmar Marine Engines through Camshaft Refurbishment

Blog | August 25th, 2023

Maximise Yanmar Marine Engines’ lifespan with camshaft refurbishment. Trust Wildon Engineering for extended performance and durability. Call 3 9555 5277.

Yanmar marine engines are the heart and soul of any marine vessel, providing the power and propulsion needed for smooth sailing. However, their components can wear out or become damaged over time, which leads to reduced performance and increased maintenance costs. One of these components is the camshaft, which controls the opening and closing actions of the engine valve. Once it manifests some wear or damage, it should be up for immediate servicing like refurbishment to extend the lifespan of Yanmar marine engines.

The Process of Camshaft Refurbishment

The process of camshaft refurbishment involves the restoration and repair of the camshaft to its original form or specifications. Sometimes, this process can even improve the performance of the camshaft, making it more beneficial for boat or ship owners.

Many steps are involved during camshaft refurbishment. Some of them are as follows.

• Inspect the Camshaft: The first step of camshaft refurbishment is to thoroughly inspect the camshaft. Its purpose is to identify any wear, damage, or other issues. This step is often done by checking for pitting, scoring, or any signs of abnormal wear.

• Clean the Surface: The camshaft is then cleaned to remove any dirt, debris, or contaminants that may interfere with the refurbishment process. This step ensures that the camshaft will boast a clean surface for accurate assessment and repair.

• Measure and Analyse the Camshaft: Precise measurements are subsequently taken to assess the dimensions, profile, and tolerances of the camshaft. This step helps determine the extent of wear and guides the refurbishment process.

• Carry Out Precision Grinding: Precision grinding is performed to remove any imperfections or surface irregularities on the camshaft, restoring the camshaft’s original profile and ensuring smooth operation.

• Conduct Heat Treatment: Depending on the specific requirements, heat treatment may be applied to the camshaft to enhance its hardness, durability, and resistance to wear. It ensures that the camshaft’s longevity and performance can be enhanced.

• Treat the Surface: Surface treatments like nitriding or application of specialised coatings can be carried out to further enhance the camshaft’s properties. These treatments can improve wear resistance, reduce friction, and provide better lubrication.

• Finish and Polish: The camshaft is carefully finished and polished to achieve the desired surface finish and remove any remaining imperfections, ensuring smooth operation and minimising the risk of premature wear.

• Implement Final Inspection: The processed camshaft must, ultimately, be subjected to a final inspection to verify its dimensions, profile, and surface finish. Quality control measures must also be done to ensure that it meets the required specifications and standards.

Yanmar Marine Engine Camshaft Refurbishment Major Benefits

Many benefits can be associated with camshaft refurbishment.

One of its benefits is it can improve engine performance. A worn or damaged camshaft can result in poor valve timing, which leads to reduced power, decreased fuel efficiency, and increased emissions. By refurbishing the camshaft, the engine’s timing and performance are restored, guaranteeing optimal combustion and power output.

Secondly, camshaft refurbishment can prevent further damage and potential engine failure. A damaged camshaft can introduce increased stress on other engine components like valves, lifters, and bearings. Addressing issues early on through refurbishment can reduce the risk of further damage and costly repairs. It then provides enhanced reliability and longevity of the marine engine, allowing for smooth operation and peace of mind during voyages.

To ensure successful camshaft refurbishment, you must only work with experienced professionals like us at Wildon Engineering. We have the knowledge, skills, and equipment necessary to perform camshaft refurbishment, maximising the lifespan of your camshaft and the overall performance of the marine engine.

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