Essential Tips for Summer Maintenance of Excavators

With the arrival of summer and its scorching temperatures, it becomes crucial to pay extra attention to the maintenance of your excavator. Proper care during this season ensures optimal performance and prevents potential damage. In addition to regular maintenance routines, there are specific areas that require special attention. In this blog post, we will explore five essential tips for effectively maintaining your excavator during the summer months.

 

1. Antifreeze Replacement:

Many excavator owners associate antifreeze solely with winter protection. However, it is important to note that antifreeze serves a year-round purpose. Apart from preventing freezing and engine damage in cold weather, antifreeze also offers crucial benefits during summer. It helps maintain normal cooling system operation by preventing boiling and overheating. Additionally, antifreeze contains anti-rust and anti-corrosion properties, which protect the cooling system from aging and the formation of harmful scale. Remember to use genuine antifreeze suitable for 2000 hours of operation, and avoid mixing different brands.

 

2. Unblock Cooling Components:

Inspect the water tank, hydraulic oil radiator, and air conditioning condenser regularly for any blockages. Accumulation of debris such as leaves, branches, or catkin fluff during autumn, winter, and spring can hinder proper heat dissipation, leading to engine overheating, hydraulic oil degradation, and ineffective cooling of the air conditioning system. Ensure that the cover plates and sponges in these areas are intact, as damaged or missing components can impede airflow and cooling efficiency of cooling components. Monitor the water temperature gauge closely, and if it reaches a critical level, park the excavator in a shaded area and allow it to cool down at idle speed. Avoid turning off the engine immediately to prevent internal overheating and potential damage. After the temperature drops, check the antifreeze level and assess the fan belt's tension and condition.

 

3. Appropriate Lubricating Grease Selection:

Selecting the right lubricating grease is crucial during summer due to elevated ambient temperatures. Higher temperatures can cause lubricating grease to become soft, reducing its adhesion and lubrication performance. It may also result in increased evaporation loss, oxidation, and condensation oil separation. Opt for high-temperature performance grease that maintains adhesion under demanding operating conditions, slowing down the deterioration process. Never use grease that appears flour-like, as it indicates poor quality.

 

4. Tire and Brake Maintenance:

Summer driving for wheeled excavators can lead to tire overheating and increased air pressure, diminishing the rubber's physical properties and potentially causing punctures. If tire pressure or temperature becomes excessively high, park the vehicle in a cool area to allow for cooling before continuing. Regularly check the braking performance of the excavator to identify and address any issues promptly, reducing the risk of accidents. Extended brake usage can raise the temperature of the brake hub and pads, resulting in decreased performance. In such cases, immediately cease operation and allow the system to cool naturally. Never attempt to cool tires or brakes abruptly with cold water.

 

5. Wading Operations and Storage Precautions:

When working in water, avoid allowing it to exceed the center of the upper roller and flooding the large ring gear. If water does enter the ring gear, promptly replace the lubricating grease to prevent accelerated gear wear. Avoid tilting the excavator beyond 15° to prevent water intrusion into the upper structure and potential damage to the radiator fan. Frequently adjust the track tensioning cylinder to prevent rust caused by rainwater and debris accumulation. At the end of each workday, allow the excavator to run at a low throttle for a few minutes before shutting down the engine once the temperature has stabilized. During long periods of inactivity, fill the fuel tank with diesel to prevent rusting. Remove the battery and store it in a dry, moisture-free location, ensuring it remains clean and dry. When cleaning the excavator, avoid direct water exposure to electrical components to prevent malfunction or failure.

 

Maintaining an excavator during the summer months is vital for its performance, longevity, and overall reliability. By following these essential maintenance tips, you can safeguard your equipment against potential damage caused by heat, blockages, improper lubrication, tire issues, and wading operations. With proper care, you can confidently rely on your excavator even during the hottest summer days, ensuring uninterrupted productivity and peace of mind.

 

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