How to disassemble Dongfanghong 2004 oil cylinder?

1. First, it is necessary to drain the hydraulic oil in the oil cylinder to avoid leakage and splash during disassembly.

2. Remove the pipes and bolts connected to the upper part of the oil cylinder, and remove the oil cylinder from the machine.

3. Lift the oil cylinder with special tools or ropes for further disassembly. Note that ropes with sufficient strength and quality must be used to ensure safety.

4. Remove the cover plate and piston at the upper part of the oil cylinder, and check the condition and sealing performance of the piston.

5. Remove the nut at the bottom of the oil cylinder with an Allen wrench, and remove the piston, seal and other parts.

6. Replace the seals and other parts in the oil cylinder as required, and clean and check the removed parts.