| 摘要 |
PURPOSE:To make it easier to draw out the stator of a shifting pump and purify the pump by revolving a rotor through the rotation of a pump-driving motor. CONSTITUTION:Nuts N, N fixing the main body 1 of a shifting pump and a stator casing 31 are removed, and both the stator casing 31 and a stator are released from the main body 1 of the pump. A rotation stopper is formed by winding a highly frictional rope, etc. around the circumference of the stator casing 31. And by driving a motor M and thereby revolving a rotor, the stator engaged with the rotor is advanced, together with the stator casing 31, and then pulled out of the rotor.
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