Residual oil can be drained via valve at the rear of gear reducer and oil drain valve in thrust bearing oil sump.

残油的排放可由减速机尾部的阀门和推力轴承油池的放油阀门来进行。

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Later, drain properly and then fill new oil to the gear reducer.

然后再对减速机加注新油。

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Later, drain properly and then fill new oil to the gear reducer.

然后再对减速机加注新油。

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