A brown coal mine in Poland had lip seals fitted on their intermediate shaft bearing housings. The bearing housing was flooded with oil to about 75% of capacity and this was causing the lip seals to fail every 2 to 3 months.
A brown coal mine in Poland had lip seals fitted on their intermediate shaft bearing housings. The bearing housing was flooded with oil to about 75% of capacity and this was causing the lip seals to fail every 2 to 3 months.
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