90L180KN1CD80TCF1H03FAC353524 piston pump

Hydraulic systems are vital components of construction equipment, enabling powerful and efficient operation. However, performance loss in hydraulic pumps can lead to inefficiencies and operational delays. Understanding how to troubleshoot these issues is crucial for maintaining productivity and extending equipment lifespan. Here are some steps to diagnose and resolve hydraulic pump performance issues in fluid circuits.
90L180-KN-1-CD-80-T-C-F1-H-03-FAC-35-35-24
90L180KN1CD80TCF1H03FAC353524
First, identify the symptoms of performance loss. Common signs include decreased lifting capacity, slow operation, unusual noises, increased fluid temperature, and erratic movement. Observing these symptoms can help pinpoint the issue before diving deeper into the system.

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Next, check the hydraulic fluid. The quality and level of the hydraulic fluid play a significant role in system performance. Insufficient fluid can introduce air into the system, leading to cavitation and reduced efficiency. Ensure that the fluid level is adequate and that it meets the manufacturer’s specifications in terms of viscosity and cleanliness. Contaminated fluid can cause abrasive wear and blockages, so regular fluid changes and filters maintenance are necessary.
Temperature monitoring is another critical aspect. Overheating can indicate several issues, including insufficient fluid levels, excessive loads, or failing components. Use an infrared thermometer or temperature gauge to assess the temperature of the hydraulic fluid and identify any abnormal readings. High temperatures can lead to fluid breakdown and pump wear, exacerbating performance loss.
Inspect hoses and connections for leaks. Leaks can significantly reduce the efficiency of the hydraulic system, leading to performance loss. Look for signs of fluid leakage, such as wet spots around fittings or puddles on the ground. Replacing damaged hoses or tightening loose connections can often restore proper operation.
Next, analyze the hydraulic pump itself. Check for wear or damage to key components such as gears, seals, and bearings. Prolonged use without maintenance can lead to wear and decreased performance. Conducting a thorough inspection might require dismantling the pump; if you are not experienced, consult a professional.