Megohm inspection method is to form an electric cable terminal at the online access, another access terminal on the motor casing, megohm shake table to observe the value of insulation resistance.

检查方法是将兆欧表上的一个接线柱接在电泵电缆线上，另一接线柱接在电机外壳上，摇动兆欧表，观察绝缘电阻值。

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The pump casing, impeller, motor housing and stationary base elbow shall be manufactured of close-grained cast iron, ASTM A48, Class 30.

泵壳，叶轮，电机壳和固定底座弯头都应该采用符合美国材料试验协会ASTM A48级别30致密铸铁制造。

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The pump casing shall be suitably ribbed have tangential discharge and be reinforced to support the weight of the motor assembly.

泵壳应该有适当的肋骨，按切线方向排放，能够再加固以支撑电机总成的重量。

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