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- Marine Engineering Workbook (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- MEWB - Gas Turbine Plants
131. For the gas turbine engine lube oil system shown in the illustration, what is the purpose of the lube oil supply check valves
The lube oil supply check valves prevent lube oil from draining from the storage/conditioning tank into the gearboxes and sumps when pump pressure is lost.
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