Hydraulic and pneumatic system maintenance

Hydraulic System Maintenance

Hydraulic systems use liquids, usually oils, to transmit power.
Basic maintenance steps include checking fluid levels, ensuring there are no leaks, and keeping hydraulic fluid clean and uncontaminated.
Proper fluid levels are essential to avoid overheating and ensure the system can develop enough pressure to operate correctly.
Hydraulic fluid cleanliness is necessary as contaminants can cause wear and tear on parts of the system leading to premature failure.
Regular filter changes can help keep hydraulic fluid clean and prevent damage to the system. It’s considered good practice to change filters when changing oil.
Inspections of hoses, seals, and valves for signs of wear, cracks, or leaks should be done regularly. If these are spotted, full replacements are often recommended.

Unlike hydraulic systems, pneumatic systems use compressed gas, usually air, to transmit power.
Basic maintenance steps include checking pressure levels, ensuring there’s no leakage and monitoring air quality.
Leaks in a pneumatic system can lead to loss of efficiency and could be a potential safety hazard.
Regular inspection and replacement of components such as air filters, regulators, and lubricators are necessary.
Air quality plays a vital role in the performance of a pneumatic system. Compressed air needs to be dry and free from particles and oil vapour.
Air dryers and filters should be regularly inspected, cleaned, or replaced as needed to maintain good air quality.
Extend the life of components by maintaining appropriate system pressure. Operating at overly high pressure can cause unnecessary strain and wear.

Regular maintenance schedules should be established and followed for both hydraulic and pneumatic systems.
Proactive maintenance can prevent unexpected system failure, increase system lifespan and efficiency, and reduce overall maintenance costs.
It’s necessary to refer to manufacturer’s guidelines and specifications for recommended maintenance schedules and procedures.
Record-keeping of performed maintenance activities, observations, replacements, and other relevant details is important for future diagnostic and maintenance reference.
Safety is key. Always follow safety guidelines while performing maintenance activities, including personal protective equipment usage, powering down systems before checks, and proper handling and disposal of fluids.