seat repair: pressure limiting valve with ball valve and plunger valve two. ball valve seat wear can be a ball on the seat, and then gently tap the ball with a metal rod until the valve and valve seat seal up.how to choose a supplier?if your quantity is small, you can go to a local wholesaler, but if you want to order more, go directly to a factory will be more cost-effective. ningbo zhongyi hydraulic motor co., ltd will can provide superior-quality hydraulic motor, piston motor, hydraulic winch,pg电子下载-pg电子游戏 axial piston motor products and satisfactory service. such as seat badly worn, hinges can be trimmed to the wear scar, then the law so close together. plunger-type valve seat wear, you can add a little valve grinding sand, until the seal until the
third, the pump cover repair
plane repair work: if the pump cover work surface wear small, hand-grinding method can be used to eliminate signs of wear, platform or thick glass that is put a little valve on the sand, then the pump cover on top for grinding, until signs of wear removed, work surface is flat so far. when the pump cover work surface wear depth over 0.1 mm, should take the first turning after the grinding of the way to repair
driving shaft bushing hole repairs: pump cover shaft bushing hole repair wear bushing hole with the driving shaft housing repair worn the same way.
fourth, the use of gears turning
gear pump gear tooth wear is mainly in the thickest part, and the gear tooth face and top of the wear and tear are relatively light. in the thickest part of the gear tooth wear are unilateral, so the gear can be flipped 180 degrees to use. when the gear face wear, the face can be polished, and polishing the surface with oil pump housing, to ensure that the gear pump and the pump end cover the gap in the standard range.
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