1990 yt,250 tons, runs good during the day, normal shutdown, all pumps stop, oil temp during shutdown is aroung 160 deg., at morning start it runs about one min. & shuts down on low oil press. you can hear the oil pump cavatating.
high & low oil press sensors are new, after coast down the restart is normal, no oil press flucuation at all & it runs
good all day, next morning, samething. can anyone please help?