Four Tips To Make Your Excavator Operate Efficiently In Hot Summer

The alternation of large temperature differences is also a test for excavators. In addition to using high quality parts for normal maintenance, we also need to pay attention to the following points to ensure that our equipment can safely survive the hot summer:

1.Check Whether the Antifreeze Has Expired and Needs to be Replaced:

Antifreeze is not only used in winter but should be used all year round. Antifreeze has two characteristics: a low freezing point and a high boiling point. It can not only ensure the normal operation of the vehicle cooling system in winter but also prevent the cooling water from boiling in summer and avoid the situation of "boiling."

In addition, antifreeze also has anti-rust and anti-corrosion effects. In the cooling system, there are metal materials and non-metal materials. The anti-rust and anti-corrosion effects of antifreeze can slow down the aging of the entire cooling system. Antifreeze also has the function of preventing scale. It can reduce the hidden dangers that affect the engine, such as scale blockage in the cooling system and circulation pipes. The engine is the "heart" of the equipment, and the antifreeze that cools the "heart" is particularly important. The original antifreeze of mainstream brands can be used for more than 2000 hours, while general antifreeze can only be used for about 1000 hours. Different brands of antifreeze contain different additives and cannot be mixed.

2.The Selection of Grease (Butter) Should Be Appropriate:

The temperature in summer is high, and the working temperature of the excavator is even higher, which has a significant influence on the fluidity of the grease. As the temperature rises, the grease becomes soft, which reduces its adhesion and makes it easy to lose, resulting in decreased lubrication performance of the working device and the rotary device. Additionally, under higher temperature conditions, there is an increased evaporation loss of lubricating grease, and the phenomenon of oxidative deterioration and condensation oil separation becomes more pronounced. Therefore, it is crucial to choose the right grease and not opt for a grease that appears flour-like.

Extreme pressure lithium grease is an excellent choice due to its water resistance, mechanical stability, extreme pressure and wear resistance, pumpability, rust resistance, and oxidation stability. It provides the best lubrication and sealing effect for equipment under extremely harsh operating conditions, meeting the diverse needs of equipment in different working conditions.

3.Check Whether the Water Tank, Hydraulic Oil Radiator, and Air Conditioner CondenserAre Blocked:

After the autumn, winter, and spring seasons, excavators tend to accumulate dead grass, rotten leaves, catkin fluff, and other debris in the water tank, hydraulic oil radiator, and air conditioner condenser. These obstructions hinder the heat dissipation effect, leading to high engine temperatures, increased hydraulic oil deterioration, and poor cooling efficiency of the air conditioner.

Inspect these areas and ensure they are free from blockages. In some cases, the cover plates and sponges at the water tanks and radiators may be damaged or missing, resulting in abnormal air suction by the fans and inadequate heat dissipation. To maintain normal excavator operation, keep an eye on the water temperature gauge and take immediate action if it reaches a certain value. Parking in a shaded area and allowing the engine to cool down at idle speed is a suitable solution. Avoid turning off the engine immediately to prevent overheating and potential damage. Once the temperature drops, check for any antifreeze deficiency and inspect the tension and fatigue of the fan belt.

4.For Wading Operations, Do Not Let the Water Exceed the Center of the Upper Roller:

Summer is a rainy season, and if your equipment works in water, there are a few aspects to consider. If the water overflows the large ring gear, it is essential to replace the grease in the ring gear promptly. The presence of water in the grease can exacerbate gear and ring gear wear.

When working in water, avoid tilting the excavator more than 15 degrees to prevent water immersion in the upper structure and potential damage to the radiator fan. Additionally, regularly tighten the track tensioning cylinder, as the increased rainfall in summer can introduce silt that may cause rusting.

Conclusion:

After a day's work, run the excavator at a low throttle for a few minutes before turning off the engine once the temperature has dropped. If the excavator will be parked for an extended period due to factors like weather, it is advisable to fill the fuel tank with diesel to prevent rusting. When parking, remove the battery, store it in a dry and moisture-proof place, and keep the surface clean and dry. Avoid directly spraying water on electrical components when cleaning the excavator to prevent component failure or malfunction.

In addition to the above points, special attention should be paid to vehicle circuit problems in summer. The high-temperature working environment can accelerate the aging of equipment lines. Regularly check for cracked or frayed lines to avoid unnecessary failures that may impact project progress.

By following these four tips and maintaining regular inspections and maintenance, you can ensure that your excavator operates efficiently and smoothly throughout the hot summer season. Taking care of your equipment will not only extend its lifespan but also contribute to the overall productivity and success of your projects. Stay proactive and keep your excavator in top shape even in the most challenging summer conditions!

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