Residual oil can be drained via valve at the rear of gear reducer and oildrainvalve 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。
2
The method using movable metal baffle and control valve near water sealed well to block the drain of oil tank group is unreliable and it will widen flowing fire area.