Mobile cranes depend on hydraulic systems to perform complex lifting operations safely and efficiently. When these systems fail, downtime, safety risks, and costly delays can follow. At Emergency Site Services Ltd, we offer expert mobile crane repairs in Aylesbury, Basingstoke, Bracknell, Farnborough, Guildford, Kingston, Reading, Richmond, Slough, Sutton, Watford, Woking and the surrounding areas, helping clients resolve hydraulic issues quickly.
In this blog, we explore the common causes of hydraulic failures in cranes and how to address them. You can contact our team for crane and forklift repairs, pneumatic system repairs and a full range of hydraulic repairs for commercial and industrial plant. For professional advice, please explore our other blogs, such as “Why Hoses Should Be Repaired by Professionals”.
Contaminated fluid is one of the most common causes of hydraulic system issues. Dust, metal particles, and water can enter the hydraulic system through worn seals, faulty breathers or poor maintenance. Once inside, contaminants circulate and wear down internal components, reducing system efficiency and leading to failures in pumps, valves, and cylinders.
Seals are critical for maintaining pressure and preventing leaks. However, constant exposure to pressure, heat, and fluid contaminants causes them to degrade. A damaged seal can result in fluid loss, loss of pressure, and ultimately, complete operational failure that requires expensive mobile crane repairs.
Excessive heat causes hydraulic oil to thin and lose its lubricating properties, leading to internal friction and wear. Overheating may result from poor ventilation, overloaded systems, or low oil levels. If left unchecked, it can damage sensitive components like pumps and valves.
Air bubbles in the hydraulic fluid can lead to erratic operation, noise, and cavitation damage. This issue often occurs due to faulty seals, loose fittings, or low fluid levels that allow air to draw in. Cavitation can severely damage pumps and should be addressed immediately.
Like any mechanical system, hydraulic components such as hoses, pumps, and control valves wear out over time. Regular use, especially under heavy loads, accelerates this wear. Without timely mobile crane maintenance, worn parts can lead to sudden breakdowns.
At Emergency Site Services Ltd, we respond quickly to hydraulic faults with fully equipped vans and experienced engineers. We carry out on-site mobile crane repairs in Aylesbury, Basingstoke, Bracknell, Farnborough, Guildford, Kingston, Reading, Richmond, Slough, Sutton, Watford, Woking and the surrounding areas.
Our services restore the operational performance of machines without delay, and include:
Contact us today on 01753 479504 (office) or 07749 453810 (24hr) for mobile crane repairs in Bracknell, Guildford and the surrounding areas.