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31.密封橡胶圈凸出量 C B型、3系列及东方红-40等液压油泵,泵盖内密封圈环槽内的小橡胶圈应凸出环槽0.4~0.55毫米,以达到密封可靠,防止因机油泄漏而降低输油压力及输油量。 32.花键套内锥孔端面凸出量安装东方红-75等机型的II号喷油泵,要求花键套内锥孔端面凸出凸轮轴的锥颈端面1.5~2毫米,以防轴头紧固螺母尚未拧紧就与锥轴端面相抵,使得
31. Sealing rubber ring protruding amount CB, 3 series and Dongfanghong-40 and other hydraulic pumps, pump cover ring ring groove small rubber ring should be protruding ring groove 0.4 ~ 0.55 mm, in order to achieve a reliable seal to prevent Due to oil leakage and reduce oil pressure and oil delivery. 32. Spline sleeve taper hole protruding amount of the installation of the East Red-75 and other models of the II injection pump requires taper cone end of the spline sleeve protruding camshaft taper neck end 1.5 to 2 mm to prevent the shaft Head tightening nut not tighten the cone end of the balance, making