屏蔽泵的检修方法是：将屏蔽泵进行解体：对各零件先进行清理，再对它们作表观检查，是否有异常。然后对关键部位的尺寸进行测量，对电机绕组作电气检查。
（1）机械检查
测量石墨轴承的孔径和轴套的轴径，并察看它们配合面的光洁度。如石墨轴承和轴套的配合间隙超过检修标准的规定（0.55—11kw配合间隙，直径差为0.4㎜，15—45kw配合间隙，直径差为0.5㎜）或配合面光洁度不良时，需根据情况更换轴承、轴套或推力板。
测量检查叶轮的上、下外止口和与它们相配合的扣环及泵座内径的尺寸，这两个配合间隙是否在检修标准规定的范围内，超差时需更换零件或采取其它措施（如：堆焊、镶套）使配合间隙达到规定要求。否则将影响泵的性能、流量、扬程、轴向平衡力等。
观察检查定、转子屏蔽套的表观情况，尤其要注意焊缝处有无异常情况，必要时应作探伤、检漏检查。
To avoid and reduce damage shield
pump sudden accident, shielding pumps require regular maintenance.
Monitor if there bearing "the police" should be an immediate
overhaul. Chemical devices are generally continuous operation,
shielding pump only regular maintenance plan in the unit when
parking. For most shield pump overhaul once a year.
Shielding pump maintenance is as follows: the disintegration of the shield pump: first of all to clean up parts, and then check them to make apparent whether there are abnormal. Key positions and then to measure the size of the motor windings for electrical inspection.
(1) mechanical inspection
Measurement of graphite sleeve bearings and the diameter of the shaft and see that they meet the surface finish. Such as graphite sleeve bearings and the gap with more than maintenance standards (0.55-11kw with the gap, deviation of 0.4 mm in diameter ,15-45kw with the gap difference of 0.5 mm in diameter) or with the bad surface finish needs to be replaced according to the circumstances bearings, sleeve or thrust plate.
Measurement to check the impeller, the only things with their mouth and the retainer ring and the pump line diameter the size of blocks, both with the gap in the scope of maintenance standards, the ultra-poor in need of replacement parts or to take other measures ( such as: welding, package insert) to achieve the required clearance. Otherwise, will have an impact on pump performance, flow, head, such as axial balance force.
Observation of Inspection and rotor sets the apparent shielding, in particular, should pay attention to any unusual circumstances weld Department, where necessary, for testing, leak checks.
Shielding pump maintenance is as follows: the disintegration of the shield pump: first of all to clean up parts, and then check them to make apparent whether there are abnormal. Key positions and then to measure the size of the motor windings for electrical inspection.
(1) mechanical inspection
Measurement of graphite sleeve bearings and the diameter of the shaft and see that they meet the surface finish. Such as graphite sleeve bearings and the gap with more than maintenance standards (0.55-11kw with the gap, deviation of 0.4 mm in diameter ,15-45kw with the gap difference of 0.5 mm in diameter) or with the bad surface finish needs to be replaced according to the circumstances bearings, sleeve or thrust plate.
Measurement to check the impeller, the only things with their mouth and the retainer ring and the pump line diameter the size of blocks, both with the gap in the scope of maintenance standards, the ultra-poor in need of replacement parts or to take other measures ( such as: welding, package insert) to achieve the required clearance. Otherwise, will have an impact on pump performance, flow, head, such as axial balance force.
Observation of Inspection and rotor sets the apparent shielding, in particular, should pay attention to any unusual circumstances weld Department, where necessary, for testing, leak checks.
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