Safe Use Measures of Loaders in High-Temperature Environments During Summer
Summer brings high temperatures that can pose challenges to the safe and efficient use of loaders. The increased ambient temperature affects various components of the machine, particularly the diesel engine, reducing its performance and potentially causing wear and tear. To ensure safe operation and extend the lifespan of loaders in hot weather, it is crucial to implement comprehensive maintenance measures specifically designed for the summer season. This blog will outline important safety precautions and maintenance practices to promote the safe use of loaders in high-temperature environments during summer.
- Maintain the Cooling System: Before summer begins, thoroughly clean, secure, and lubricate all parts of the cooling system. Pay special attention to cleaning the radiator to remove any scale buildup, as this improves heat dissipation and enhances cooling efficiency. Ensuring a smooth and unobstructed flow of cooling water is essential for maintaining optimal operating temperatures.
- Check Drive Belts: Regularly inspect the drive belt connected to the water pump and fan. Over time, belts may become fatigued and deformed, diminishing their ability to effectively cool the system. When replacing belts, choose the appropriate type and length and adjust the tension correctly to ensure optimum cooling.
- Inspect Water Tank Hoses: The hoses connecting the water tank are prone to early damage and may affect the water supply, leading to excessive engine temperatures. Regularly check for cracks and water leakage, promptly repairing or replacing damaged hoses. Additionally, maintain an adequate level of cooling water, topping it up as needed.
- Monitor Engine Temperature: Continuously monitor the water temperature gauge and take immediate action if the temperature exceeds 90°C. If overheating occurs, park the loader in the nearest shaded area and allow the engine to cool down at idle speed. Avoid shutting off the engine abruptly to prevent potential damage. After the temperature drops, inspect the tension of the fan belt.
- Perform Lubrication SystemTests: Conduct performance tests on all components of the lubrication system before the onset of summer. Ensure that oil pressure gauges and gearbox pressure gauges indicate accurately. Thoroughly inspect the oil in the gearbox, pitch changer, and drive axle, both in terms of quality and quantity. Keeping the oil clean is crucial for maintaining the integrity and functionality of these components.
- Use Appropriate Lubricating Oil: Under high-temperature conditions, the transmission system's lubrication and wear depend significantly on the quality of the lubricating oil used. Opt for oil with a high degree of stickiness to reduce wear and tear. Additionally, be cautious to prevent water and air from entering the hydraulic system, as this can lead to system corrosion and wear.
- Maintain Battery Electrolyte Levels: High temperatures during summer result in increased evaporation of electrolyte or distilled water from the battery. Regularly check the electrolyte level and replenish with distilled water or electrolyte (ensuring its purity) as needed. Maintain the liquid level approximately 10% higher than the top of the battery plates, approximately 15mm, to prevent plate oxidation. Clean any dirt or oxide buildup on the battery surface, pole posts, and wire connectors. Keep vent holes unobstructed and ensure the battery is securely fastened. Address any battery failures promptly through regular maintenance.
- Monitor Tire Pressure and Temperature: Small loader tires typically have fewer layers (around 14) compared to larger tires. The reduced mass of these tires leads to faster heat transfer, making them more prone to overheating and increased internal pressure. Check tire pressure and temperature regularly during summer operation. If tire pressure and temperature become too high, park the loader in a cool area to allow the tires to cool down before resuming operation. Never reduce tire pressure by deflating or pour cold water on hot tires.
- Regularly Inspect Braking System: Frequently check the braking performance of the loader to identify and address any faults in the braking system promptly. Extended use of brakes may lead to high temperatures in the brake hub and brake pads, resulting in decreased braking efficiency. If high temperatures are detected, stop the machine immediately to allow for cooling and prevent safety hazards. Avoid pouring cold water on the brakes to cool them down.
- Deal with Water Wading: When encountering water wading situations, continue driving at low speeds after wading. The friction between the shoe and brake hub generates heat, which helps dry the shoe, minimizing the risk of braking failure.
- Take Sufficient Rest: Summer temperatures can contribute to driver fatigue. To maintain safety and productivity, drivers should take regular breaks and ensure they have enough sleep and physical energy. Adequate rest helps drivers stay focused and alert, enhancing their work efficiency.
Hot summer weather poses specific challenges for the safe use of loaders. Implementing the aforementioned safety measures and maintenance practices will help mitigate risks and promote the longevity of loaders in high-temperature environments. By prioritizing cooling system maintenance, lubrication checks, tire inspection, and driver well-being, loader operators can ensure safe and efficient operation throughout the summer season.
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