179. In a disk-type lubricating oil purifier, __________.

all dirt and sludge are automatically discharged with the cooling water
the purifier driving gears are lubricated by the reclaimed oil as it leaves the bowl
deterioration of the bowl ring gasket will cause the purifier to lose its water seal
sealing water must never be supplied until after oil is fed to the unit

Comments (0)

There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it