🔍 Key Concepts

• Line shaft bearing function and what causes temperature to rise • Difference between immediate safe action vs. later corrective maintenance • Role of lubrication and cooling in bearing operation

💭 Think About

• When a bearing temperature starts to rise, what simple check can you do right away without shutting down the whole unit? • Which choice sounds more like a long-term repair action instead of an initial troubleshooting step? • Between lubrication and water circulation, which directly affects the bearing itself first?

✅ Before You Answer

• Identify which option is an immediate diagnostic check rather than a shutdown or replacement action. • Eliminate any option that sounds like a major maintenance job rather than a first response. • Ask: which action would you reasonably take while the unit is still running to confirm the cause of the high temperature?