1. The recommended working oil viscosity ranges between 29 to 74 mm²/s, with ISO VG46 anti-wear hydraulic oil being the preferred choice. The ideal operating temperature for the oil falls within the range of -20°C to 80°C. When the ambient or operational temperatures are low, it is advisable to use lower viscosity oils in larger oil cylinders to ensure smooth operation.
2. The filtration system must maintain a minimum accuracy of 80 microns. It's crucial to manage oil contamination effectively, keeping the oil clean at all times. Regular inspections of the oil’s condition should be conducted, along with necessary fine filtration processes, and old oil should be replaced promptly with fresh working fluid.
3. During assembly, ensure that the joint at the top of the piston rod aligns correctly with the cylinder head, the ears (or intermediate hinge shaft). The entire piston rod should remain straight while advancing and retreating, preventing any rigid interference or unnecessary damage.
4. Once the large oil cylinder is mounted on the primary machine, conduct operational tests to check for leaks at the oil outlet pipe and the guide sleeve. Lubricate the bearing parts of the ear and intermediate hinge shaft as well.
5. In the event of oil leaks or other malfunctions, apply hydraulic pressure to shift the piston to either end of the cylinder before disassembly. During this process, avoid using improper force such as heavy knocking or sudden drops.
6. Prior to disassembly, begin by loosening the relief valve to bring the hydraulic circuit pressure down to zero. Turn off the power supply and cease the operation of the hydraulic equipment. After disconnecting the oil port pipelines, seal the openings with oil plugs.
7. Avoid using the piston rod as a ground for electricity to prevent electric shocks.
Over the years, Henan Kexing has continued to innovate and phase out outdated practices, ensuring superior quality in our hydraulic cylinders. For custom hydraulic cylinder needs, reach out to Henan Kexing, the leading hydraulic cylinder customization manufacturer.
This content was originally written by Henan Kexing Hydraulic Co., Ltd. Please ensure proper attribution when reproducing it.
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