多路换向阀主要零件的检修:当阀芯与阀孔的配合间隙超过规定值或配合表面磨损严重时,应更换新阀。有条件时,可进行镀铬、铰削和抛光,然后将阀芯和阀孔对研1.齿轮泵拆卸时要小心,不要损伤零件,并记住零件原来装配位置;检查所有零件有无缺陷,当泵体上有齿轮扫镗痕迹且深度超过0.15 mm时,应更换新泵;若侧板青铜面有明显的圆弧 Multi-way valve main parts of the overhaul: When the spool and the valve hole with the provisions of the clearance gap or more serious with the surface wear, the replacement of the new valve. When conditions permit, chrome-plated, reamed and polished, and then the valve core and the valve hole on the research 1. Gear pump disassembly be careful not to damage the parts, and remember the original assembly location of the parts; check all the parts are defective, When there is a gear on the pump cylinder broom marks and depth of more than 0.15 mm, should replace the new pump; if the side of the bronze surface has obvious arc