In the process of replacing the hydraulic breaker and bucket, because the hydraulic pipeline is easily contaminated, it should be disassembled and installed according to the following methods.
1. Move the excavator to a plain site free of mud, dust and debris, turn off the engine, and release the pressure in the hydraulic pipeline and the gas in the fuel tank.
2. Rotate the shut-off valve installed at the end of the boom 90 degrees to the OFF position to prevent the hydraulic oil from flowing out.
3. Loosen the hose plug on the boom of the breaker, and then connect the small amount of hydraulic oil that flows out into a container.
4. To prevent mud and dust from entering the oil pipeline, plug the hose with a plug and plug the pipeline with an internal thread plug. To prevent contamination by dust, tie the high-pressure and low-pressure pipes with iron wires.
--Hose plug. When equipped with bucket operation, the plug is to prevent the mud and dust on the breaker from entering the hose.
6. The hydraulic rock breaker will not be used for a long time, please click the method to keep it
1) Clean the outside of hydraulic deolition breaker;
2) After removing the steel drill from the shell, apply anti-corrosion oil;
3) Before pushing the piston to the nitrogen chamber, the nitrogen in the nitrogen chamber must be sent out;
4) When reassembling, lubricate the parts on the breaker before assembling.
Post time: May-17-2021