When it comes to adding engine oil, many people mistakenly believe that simply topping up with fresh oil is sufficient instead of fully replacing the old oil. This practice may seem cost-effective and ensures continuous lubrication, but in reality, over time, the oil degrades, accumulates impurities, and loses its effectiveness. Even with regular additions, the oil quality will not meet the required standards, leading to increased wear on critical components like cylinder liners and pistons. Additionally, the buildup of contaminants can clog oil passages, potentially causing serious issues such as bearing failure or engine seizing.
Adjusting valve clearance without proper tools is another common mistake. Some operators rely on their feel or visual inspection rather than using precision instruments. This can lead to incorrect clearance settings, which not only increase fuel consumption but also reduce engine power. In extreme cases, improper clearance may result in piston-to-valve collisions, causing severe damage such as piston warping, broken connecting rods, or even crankshaft failure.
Neglecting to clean carbon deposits from the exhaust pipe is a serious oversight. Over time, these deposits can narrow the exhaust passage, restricting airflow and increasing backpressure. This leads to higher fuel consumption, reduced engine performance, and overheating. To prevent this, it's essential to clean the exhaust system at least every three months, ensuring smooth operation and prolonging the life of the engine.
Running a new machine under full load immediately after purchase is another dangerous practice. New engines require a proper break-in period to allow internal components to settle and wear evenly. Skipping this step can cause premature wear and significantly shorten the machine’s lifespan. Always follow the manufacturer’s guidelines for initial operation, gradually increasing speed and load to ensure optimal performance and durability.
Lastly, skipping pre- and post-operation checks is a major safety hazard. Many operators neglect these simple inspections, leading to loose or missing parts during operation, which can result in mechanical failures or even personal injury. Before and after each use, take the time to check bolts, nuts, washers, and other fasteners. Tighten any loose components, replace missing ones, and repair worn or deformed parts promptly to avoid small issues turning into big problems.
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