In order for the system to live longer and perform better, it is important to overhaul the unit and subsequent system.
The recommended overhaul interval for a hydraulic power unit may vary depending on temperature, flow and dirt in the oil, but to give an indication, after full pressure and flow in a hydraulic system using mineral hydraulic oil with an operating temperature of between 50 and 70 degrees, it could have a service life of 3 years (equivalent to 4-5,000 hours).
With proper maintenance and dehumidification, biodegradable fluid in the hydraulic system can increase the service life by 10 times to approximately 40-50,000 hours.
If the service life of the hydraulic power unit is to be increased, the oil is one of several parameters that come into play.
Before dismantling, a leakage oil measurement is carried out to assess the wear on the pumps and obtain information about the operating temperature. This gives an indication of the condition of the pumps.
In the event of a leak, it is not only oil that leaks out, but also contaminants that can enter the system. This can affect the system's performance and service life. Leakage can occur when the hose and pipes have been physically damaged or the system has reached a high temperature.
Complete disassembly of critical components of the unit to assess the condition of all components, and recommendations for lifetime extension.
After disassembly, an oil analysis can provide valuable information about the content of metal particles, hose and gasket particles, as well as water content in the oil. This helps determine the necessary measures to ensure optimal uptime of the hydraulic system.
We sell long-life pumps and access to spare parts - from quality brands such as Hawe, Kawasaki and Marzocchi.
Removal of dirt, rust and old coatings to prepare the unit for further treatment
Just as important as cleaning the inside of the tank is having good routines for filter replacement and logging this. All the filters in the system must be inspected and maintained, including breathing filters, return filters, water-absorbing filters, leakage oil filters and pressure filters.
If we find brass or shavings in one of the filters, we know that the contamination has moved on to the tank. This is where Servi can make a suggestion and systemize maintenance.
Replacing gaskets, valves and other worn or damaged components.
Overhauling a generator is sustainable in itself, but there are a number of other environmentally friendly measures you can also take:
Assembly of the unit and a final quality check before delivery, with information about NAS class (degree of cleanliness)
Hydraulic hoses have a recommended lifespan of five years, but can last up to 10-15 years under optimal conditions, such as proper operating temperature and room temperature. It is important to regularly inspect and replace hoses that show signs of aging or damage.
