KCB-300 gear pump rotation poor reasons, the axial clearance or radial clearance is too small, re-adjust the repair, the pump dirt, disintegration to clear foreign objects. KCB-300 gear pump rotation poor reasons: ①work The oil output port is clogged, the foreign matter is removed, the parts in the pump are not demagnetized, all the parts must be demagnetized before assembly, the quality of the needle roller sleeve is broken or the needle is broken, the repair or replacement, the pump and the engine coupling are coaxial Degree of poor. Concentricity should be guaranteed within 0.1mm. ⑤ assembly error .KCB-300 gear pump two pin hole machining reference plane is not assembly datum, such as the first pin into, and then tighten the screw, the pump will turn The correct way is to turn the KCB-300 gear pump while tightening the screws, and finally with the pin hole and into the pin. ⑥ pump dirt. Disintegration to remove foreign matter. ⑦ axial clearance or radial clearance Too small to re-adjust and repair.
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