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 __________. Illustration MO-0012

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

Failure to replace compressed or permanently deformed bowl O-rings during centrifuge reassembly causes severe high-pressure fluid leaks, preventing the operating water chamber from establishing proper hydraulic pressure to seal or actuate the sliding bowl mechanism.