The improper habits formed by some operators over time have led to damage in the working mechanisms of walking tractors and even reduced the lifespan of the hand trailers. These bad practices not only affect performance but also increase maintenance costs and safety risks. Here are some common mistakes that should be avoided:
1. Covering the fuel tank with a plastic cloth instead of using the proper fuel cap is a serious mistake. This prevents air from entering the tank, causing a vacuum that disrupts the normal flow of diesel. As a result, the engine may struggle to start or run unevenly, and in some cases, it might shut down unexpectedly.
2. Using decompression to stop the engine can cause the valve to hit the piston top, leading to potential damage to other internal components. This practice is not only harmful but also unnecessary if the engine is turned off properly.
3. Extending the intake and exhaust pipes or increasing the number of bends can negatively impact the engine's performance. Poor airflow and incomplete exhaust lead to starting issues and reduced power output. It’s important to maintain the original design for optimal efficiency.
4. Adding cold water to a hot engine immediately after starting can cause thermal shock, which may crack or damage the cylinder liner. Always allow the engine to cool down before refilling with water.
5. Partially engaging the clutch while decelerating can cause excessive wear on both the clutch disc and pressure plate. This not only shortens the life of the clutch but also poses a risk to the operator's safety, especially when operating small four-wheel tractors.
6. Pouring oil directly into the cylinder to improve sealing is a dangerous practice. It can lead to carbon buildup, clogged injection nozzles, and increased wear on the piston rings. This can ultimately reduce engine power and cause long-term damage.
7. Using sealant to secure the cylinder liner is not recommended. High temperatures can melt the sealant, breaking the seal between the cylinder head and block, which may result in leaks, water intrusion, and other serious failures.
8. Using the secondary shift lever to change gears while the tractor is in motion is a risky habit. This method can cause the shift fork to bend or break due to its weaker construction compared to the main shift fork. It often leads to gear misalignment and operational problems.
By avoiding these common mistakes, operators can significantly extend the life of their equipment and ensure safer, more efficient operation. Regular maintenance and proper usage are key to keeping machinery in good working condition.
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