ฉันรักการแปลThe oil sump should be well cleaned and filled with filtered oil. The oil samples should be got
tested for verification of the desired properties. Regular centrifuging of oil with the help of
De-Laval type oil purifying machine would go a long way in enhancing the life of the oil. In
certain cases oil retained its properties even up to 15 to 20 years of continuous use.
During annual overhauling OPU sump and pressure accumulator should be completely
emptied and cleaned. The strainers should be inspected and repaired of necessary. The OPU
pumps require maintenance when they develop excessive noise or vibrations. This may be due
to some worn out bearing of the pump which would be replaced.
Another problem which has been faced in different power station is entry of water in the
governing oil system. This problem was analysed in detail and remedial measures were taken