About Us
Mohamed Nemar Abuadas Establishment is a pioneering leader in hydraulic maintenance and services in Saudi Arabia, headquartered in Riyadh.
Mohamed Nemar Abuadas Establishment is a pioneering leader in hydraulic maintenance and services in Saudi Arabia, headquartered in Riyadh.
Unplanned hydraulic failures cost Saudi industries millions each year. A structured preventive maintenance plan — covering oil analysis, filter changes, seal inspections, and pressure checks — can reduce breakdowns by over 60% and extend equipment service life significantly.
Oil degradation is the single leading cause of hydraulic system failure. Scheduling oil sampling every 250–500 operating hours allows early detection of contamination, water ingress, metal particles, and additive depletion — before damage reaches the pump or cylinder internals.
In Saudi Arabia's high-temperature environments, oil oxidation accelerates significantly above 60°C. Using oil with a viscosity index above 100 and high thermal stability is essential. Our technicians can assess your current fluid during any scheduled visit.
Regular oil analysis should check for viscosity, acid number, water content, particle count, and additive levels. A comprehensive fluid analysis program can predict component wear trends and allow for proactive maintenance scheduling before failures occur.
See our guide on <Link href="/blog/hydraulic-oil-saudi-conditions">Choosing the Right Hydraulic Oil for Extreme Saudi Conditions</Link> for detailed recommendations on fluid selection for high-temperature environments.
High-pressure filters protect every downstream component in your hydraulic circuit from particle contamination. Replacing filters on schedule — typically every 500–1,000 hours depending on system load — prevents valve sticking, pump cavitation, and seal scoring.
Clogged filters that are left in service cause bypass conditions where unfiltered oil circulates freely, accelerating wear across the entire system. We supply and install genuine replacement filters for all major brands including Bosch Rexroth, HYDAC, and Eaton.
Install differential pressure indicators on all critical filters to monitor filter condition in real-time. When the indicator shows increased pressure drop, schedule filter replacement immediately — waiting until the filter bypass activates is too late.
Consider upgrading to duplex filter arrangements that allow filter element replacement without system shutdown. This is particularly valuable for 24-hour production facilities where unplanned downtime costs thousands per hour.
Cylinder seals and hydraulic hoses degrade silently over time. A visual inspection at each service interval — checking for oil weeping around rod seals and surface cracks on hoses — catches problems at stage one before they become full leaks or failures.
Our seal fabrication and replacement service covers all cylinder types and sizes. We manufacture custom seals using NBR, PTFE, polyurethane, and Viton materials, cut to exact tolerances on CNC machines for a guaranteed fit.
Pay special attention to hose connections and fittings. Vibration and pressure cycles can cause fittings to loosen over time. Torque all fittings to manufacturer specifications and use thread sealant appropriate for the hydraulic fluid being used.
For cylinders requiring custom seals, our <Link href="/blog/cnc-precision-hydraulic-seal-fabrication">CNC Precision Seal Fabrication</Link> service ensures exact tolerances for optimal performance and extended service life.
Hydraulic systems operating above their rated pressure or temperature threshold accelerate wear across every component. Installing gauges at key circuit points and establishing baseline readings gives operators early warning when performance begins to drift.
Pressure spikes caused by blocked lines or faulty relief valves are a common but invisible source of damage. Regular monitoring allows these issues to be identified and corrected during scheduled downtime rather than during an emergency.
Install pressure transducers at pump discharge, cylinder inlet, and return line locations. Connect these to a monitoring system that logs data over time. Trend analysis reveals developing problems before they cause failures.
Temperature monitoring is equally critical. Install thermocouples at reservoir inlet and outlet, pump housing, and critical valve locations. Abnormal temperature rise indicates friction, inefficiency, or cooling system problems that require immediate attention.
Scoring on cylinder rods — caused by contaminated fluid, worn wipers, or external impact — is often repairable through re-chroming or re-boring before the entire cylinder must be replaced. Early intervention dramatically reduces repair costs.
Our workshop provides complete cylinder overhaul services including re-chroming, re-boring, honing, seal replacement, and pressure testing. Most cylinders can be returned to service within 48–72 hours of receiving them.
Measure rod runout and straightness during every major service. Rods that are bent beyond specification will cause uneven seal wear and premature failure. Straightening or replacement should be performed before the rod damages the cylinder bore.
Inspect wiper seals and rod scrapers at each service interval. These components are the first line of defense against contamination entering the cylinder. Replace them at the first sign of wear or damage.
For detailed information on cylinder failure causes and prevention, refer to our article on <Link href="/blog/hydraulic-cylinder-failure-causes">Common Causes of Hydraulic Cylinder Failure</Link>.
The most effective preventive maintenance program is one that is documented, scheduled, and followed consistently. Create a maintenance checklist for each hydraulic system in your facility, including all inspection points, test procedures, and acceptance criteria.
Schedule maintenance based on operating hours rather than calendar time. Systems that run 24/7 require more frequent attention than systems used intermittently. Track operating hours using hour meters installed on each major hydraulic system.
Train maintenance personnel on proper inspection techniques and documentation. Consistent documentation allows you to track component life trends and predict when replacements will be needed, enabling budget planning and parts stocking.
Consider implementing a computerized maintenance management system (CMMS) to track maintenance schedules, work orders, and equipment history. This ensures nothing falls through the cracks and provides valuable data for continuous improvement.
Ready to set up a preventive maintenance schedule for your facility? Our certified technicians serve clients across the Central Region of Saudi Arabia.
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فنيون معتمدون. قطع غيار أصلية. تغطية شاملة لكافة أنحاء المملكة.
