Four key measures to extend the service life of excavators during the rainy season

During the rainy season, the continuous rain and humid air bring many challenges to the normal operation and maintenance of the excavator. However, as long as the following four key measures are mastered and implemented, the service life of the excavator can be effectively extended to ensure that it can maintain a good working condition during the rainy season.

1. Do a good job of waterproofing and moisture-proofing

External protection of equipment: First of all, we should pay attention to the appearance integrity of the excavator. Carefully check the sealing strips of various parts of the fuselage, such as the cab doors and windows, engine hood, fuel tank cap, etc., to see if there is aging or damage. Once a problem is found, a new sealing strip should be replaced in time to prevent rainwater from seeping into the equipment. For example, during daily inspections, focus on the condition of the "excavator cab door and window sealing strips" to ensure that they fit tightly and do not give rainwater a chance to take advantage. At the same time, for some vents and heat dissipation holes of the excavator, waterproof covers or protective nets can be installed to ensure normal ventilation and heat dissipation, and prevent rainwater from entering directly.

Electrical system waterproofing: The electrical system is a key part of the excavator, and it is very easy to malfunction due to moisture during the rainy season. For the junction boxes, plugs and other parts of electrical equipment, waterproof tape should be used for secondary sealing reinforcement. Regularly check whether the electrical circuits are damaged or aged. If so, they need to be repaired or replaced in time to avoid short circuits caused by rainwater contacting exposed wires. For example, "waterproofing of the junction box of the excavator electrical system" is very important. Before each operation after rain, check whether the waterproof seal of the junction box is good to ensure the stable operation of the electrical system.

2. Strengthen equipment cleaning and inspection

Cleaning the fuselage in time: During the rainy season, the fuselage of the excavator is often covered with a mixture of mud and rainwater after operation. If not cleaned in time, these dirt will not only corrode the paint surface of the fuselage, but may also penetrate into the gaps and key components of the equipment, affecting the normal operation of the equipment. After each operation, a high-pressure water gun should be used with a special cleaning agent to thoroughly clean the fuselage, chassis, working device and other parts of the excavator, especially the "cleaning of the muddy parts of the excavator chassis". Make sure that the mud on the chassis is completely removed to prevent the acid in the mud from corroding the chassis parts. After cleaning, wipe the surface of the equipment with a clean towel or compressed air to dry it and keep the body dry.

Carefully check the parts: Increase the frequency of inspection of the various parts of the excavator. Focus on checking whether there is leakage in the pipelines and joints of the hydraulic system, because the humid environment may accelerate the oxidation and deterioration of the hydraulic oil, and the leaking hydraulic oil will not only affect the working performance of the equipment, but also may cause safety hazards. Check the "Main Points for Inspection of Pipeline Joints of Excavator Hydraulic System" and tighten the joints regularly to ensure that the pipeline is tightly connected. At the same time, check the engine's air filter. The air humidity is high during the plum rain season, and the filter is easily blocked by moisture, which affects the engine's air intake and leads to a decrease in engine power. If the filter is found to be damp or dirty, it should be cleaned or replaced in time.

3. Pay attention to lubrication and rust prevention

Strengthen lubrication work: In the plum rain season, the lubrication needs of various parts of the excavator are more important. A humid environment will accelerate the wear between parts, so it is necessary to strictly follow the lubrication chart of the equipment and regularly lubricate the slewing bearing, pin shaft, crawler chain link and other parts. Choose a grease with good waterproof properties, such as "waterproof grease for excavators", which can form a stable protective film on the surface of the parts, effectively reducing the wear caused by rainwater intrusion. During the lubrication process, ensure that the grease is fully filled into each lubrication point to ensure smooth operation of the parts.

Comprehensive anti-rust measures: Anti-rust treatment of the metal parts of the excavator is the key to extending its service life. First, check the paint surface on the surface of the equipment. If there are scratches or paint peeling, the paint should be repaired in time to prevent the metal from being directly exposed to humid air and rusting. For some parts that cannot be painted, such as pins, bolts, etc., you can apply anti-rust oil or use anti-rust agent for treatment. Regularly check the "anti-rust condition of metal parts of the excavator", especially after rain, clean the water droplets on the metal surface in time, and re-apply the anti-rust agent to maintain the anti-rust effect.

4. Reasonable storage and start-up preheating

Choose a suitable storage location: When the excavator is not used for a long time, it should be stored in a dry and ventilated indoor place. If it can only be stored outdoors, a rain shelter should be built and the equipment should be parked in a higher position to avoid being soaked by water. Before storage, the equipment should be thoroughly cleaned, maintained and lubricated to ensure that the equipment is in good condition. Follow the "Key Points for Outdoor Storage of Excavators during the Rainy Season" and set up warning signs around the equipment to prevent collisions with other objects.

Correct start and preheating: When starting the excavator during the rainy season, preheating should be performed first. The preheating time should be appropriately extended, generally 1-2 minutes longer than in normal weather, so that the oil inside the engine can flow fully and all parts can be well lubricated. After starting, do not immediately operate at full load. The equipment should be allowed to run at low speed and no-load for a few minutes to gradually increase the oil temperature of the engine and hydraulic system. After reaching the normal operating temperature, the operation can be carried out, which can effectively reduce the wear of the equipment and extend its service life.

By effectively implementing the four key measures of waterproofing and moisture-proofing, equipment cleaning and inspection, lubrication and rust prevention, and reasonable storage and start-up preheating during the rainy season, the performance stability of the excavator under severe weather conditions can be significantly improved, its overall service life can be extended, and reliable guarantees can be provided for subsequent engineering operations.

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