Maintaining Excavators in High Temperature and High Humidity Environments Tips for Summer Care

Construction machinery, such as excavators, are essential equipment used in construction projects during summer. However, the high temperature and high humidity environment in summer pose significant challenges to maintaining the equipment. To ensure the smooth operation of construction machinery, operators and maintenance personnel must follow specific guidelines to maintain and protect the equipment. Here are some tips for maintaining excavators in high temperature and high humidity environments in summer:

1. Strengthen on-site management

On-site management is crucial in protecting construction machinery from environmental elements such as rain, heat, moisture, sun, and lightning strikes. Some of the key management strategies include:

• Improving the parking environment: Choose temporary parking spaces away from ravines, rivers, and steep cliffs. The ground foundation should be compacted, the surrounding drainage ditch dug, and the side slope treated to eliminate damage to construction machinery such as snakes and rats. Camouflage nets, tarpaulins, or temporary hangars should be used to avoid open storage.
• Reasonably arrange the working time: Avoid or reduce construction work under high temperature conditions as much as possible. Early and late work hours are preferred to avoid high temperature time at noon. When the temperature exceeds 100℉, outdoor work should be stopped.
• Do a good job in the three-proof work of the machinery: Sun protection, rain protection, and lightning protection measures should be in place for the construction site construction machinery, and its various electrical switches, power distribution cabinets, etc. must have rain and moisture protection measures. Concrete mixing plants and other tall equipment should be equipped with lightning protection devices, and the low-voltage power distribution room should be equipped with lightning protection devices according to regulations. In case of severe thunderstorm weather, the operation should be stopped, and the machinery should be withdrawn to a safe place.
• Pay attention to equipment safety control: Regularly check whether the temperature control device of lubricating oil and hydraulic oil is sensitive, whether the monitoring device is effective, whether the torque limiter, limit switch, emergency brake switch, and other safety protection devices are reliable, whether the braking and steering are in good condition, and find hidden dangers, and eliminate them in time. Dynamically track and manage equipment performance, and deal with abnormalities in a timely manner.

2. Pay attention to maintenance

Daily maintenance work is crucial in protecting construction machinery in high-temperature and high-humidity environments. The maintenance work should focus on the following areas:

• Cooling system: Regularly check the working condition of the engine cooling system to ensure that the cooling system has complete components and good performance. In particular, check the performance of the cooling pump, the tightness of the fan tape, whether the vents and ventilation holes on the radiator cover are unblocked, and whether the coolant is sufficient, thermostat and fan clutch performance is good and so on. It is necessary to clean up the dust and sludge on the cooling fins and radiators of the air-cooled engine cylinder liner in time, and the scale and impurities in the water radiator of the water-cooled engine should be cleaned in time.
• Electrical system: Regularly check whether the binding posts are loose, whether the wire ends and contacts are oxidized or ablated. To adjust the generator regulator correctly, reduce the charging current appropriately.
• Hydraulic system: Regularly check whether the hydraulic system pipeline and radiator are leaking, whether the fan is working normally, and whether the quantity and quality of hydraulic oil meet the requirements.
• Hydraulic oil tank: Clean the tank regularly to reduce internal pollution and maintain the heat dissipation capacity of the hydraulic oil tank.
• Other components: Regularly check whether the rotating parts such as transmission boxes and shaft pins of construction machinery are flexible, and whether there are small cracks in steel structural parts to prevent increased damage caused by high temperature and high humidity.

In conclusion, maintaining excavators in high-temperature and high-humidity environments in summer is crucial to ensure their optimal performance and longevity. To achieve this, proper on-site management, including improving parking environments, arranging working time, and ensuring equipment safety control, is essential. Additionally, paying attention to maintenance work, such as checking the cooling, electrical, and hydraulic systems, and using the right oil products, is necessary to keep the equipment running smoothly. By following these guidelines, construction machinery operators and repairers can effectively maintain excavators in summer and avoid excessive wear and tear, which can lead to costly repairs and downtime.

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