Before starting the job, it's essential to check the hydraulic oil level in the tank. If the oil is below the recommended mark on the sight glass, it must be topped up properly. Never add oil that doesn't meet the manufacturer's specifications, and always use a filter when refueling to avoid contamination from foreign substances like different types of oil or water.
After every 250 hours of operation, inspect the oil filter element and clean or replace it as needed to ensure optimal performance. All hydraulic system valves are pre-tested and pressure/flow adjusted before delivery—do not tamper with them unless absolutely necessary.
All components, especially those in the hydraulic system, should remain free from dirt and debris. After installation or maintenance, thoroughly clean any dust or oil residue to prevent damage.
The hydraulic oil tank should be drained of sludge and impurities every two weeks, and the entire oil should be replaced every other year or after 2000 operating hours, depending on usage. In particularly harsh environments, the oil change interval should be reduced to maintain system efficiency.
Over time, condensate and sediment can accumulate in the hydraulic oil. To prevent this, drain the tank monthly. It's best to do this after the equipment has been idle overnight. Open the drain plug at the bottom of the tank and let the contaminated oil flow out until clean oil appears. Then reseal the plug and add fresh hydraulic oil.
Regardless of how long the system has been running, hydraulic oil should be changed at least once a year to prevent contamination and maintain system integrity. Before changing the oil, run the engine for a while to warm up the oil, which will help it drain more effectively and ensure a complete replacement.
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