Engine : Expired / Motor Plants and Auxiliary Boilers - 167/354
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| 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 |
| A) low drive motor RPM |
| B) excessive back pressure in the bowl and fuel oil break over |
| C) the failure of the opening and closing water supply |
| D) not replacing the bowl O-rings that have taken a permanent set |
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Illustration MO-0012
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