A modern centrifuge, similar to the device shown in the illustration, is opened for periodic cleaning. The most common cause of operating failure after reassembling, is due to __________. MO-0012

Correct Answer: Option D — not replacing the bowl O-rings that have taken a permanent set

Reusing old O-rings that have taken a permanent compression set during centrifuge bowl reassembly frequently causes severe leaks, oil bypass, and loss of hydraulic operating water pressure required for the self-cleaning mechanism.