Why should the lube oil pump be run before starting and after stopping a diesel engine?

asked 29 Nov, 17:53

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KnowledgeBase
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Running LO pump required because:
1. Before starting to ensure a complete oil film on all bearings developed prior engine started
2. After stopping a diesel engine, the lube oil pump should run until the difference in temperature between the inlet and outlet is from 2° to 5°. This allows the bearing to cool evenly.

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answered 29 Nov, 18:00

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cheng
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