When it comes to engine oil changes, many people don’t replace all the old oil. Instead, they just top up with fresh oil, thinking that this way the oil accumulates over time. This approach is a common misconception, as it’s believed to both maintain proper lubrication and save money. However, in reality, after extended use, engine oil degrades, accumulates impurities, and loses its effectiveness. Even if you keep adding new oil, the overall quality won't meet the required standards, leading to increased wear on critical engine components like the cylinder liner and piston. Over time, this can significantly shorten the lifespan of these parts. Additionally, the buildup of contaminants in the oil can stick to the walls of the oil passages, potentially causing blockages and serious issues such as bearing failure or shaft seizing.
Adjusting valve clearance without proper tools is another common mistake. Many operators rely on their sense of touch rather than using the right measuring instruments to check the clearance. This can lead to improper adjustments, which not only affect engine performance but also increase fuel consumption and reduce power output. In severe cases, it may even cause the piston to collide with the valve, resulting in major damage such as a bent connecting rod, broken crankshaft, or even a damaged cylinder head.
Ignoring the cleaning of carbon deposits in the exhaust pipe is another dangerous oversight. Many operators neglect this maintenance task, allowing soot and residue to build up over time. This restricts the exhaust flow, increasing fuel consumption, reducing engine power, and causing overheating. To avoid these problems, it's recommended to clean the exhaust system at least once every three months, ensuring smooth and efficient engine operation.
Running a new machine under full load without proper break-in is another frequent error. After purchasing a new machine, especially a farm tractor or similar equipment, it’s essential to follow the manufacturer’s break-in procedures carefully. This includes gradually increasing the speed and load to allow the internal components to settle and wear evenly. Skipping this step can result in premature mechanical failure and a much shorter service life for the machine.
Lastly, failing to perform pre- and post-operation inspections is a risk that many operators overlook. Neglecting these checks can lead to loose or missing parts during operation, which may cause serious accidents or damage. Before and after each use, it's important to inspect bolts, nuts, washers, and other fasteners to ensure they are secure. Any worn, deformed, or missing parts should be repaired or replaced immediately to prevent small issues from turning into big problems.
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