Machinery Maintenance: Checking Bearing Temperature

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Questions and Answers

How should the bearing temperature be checked?

  • Use a temperature gun and scan the bearing housing for maximum temperature found (correct)
  • Observe for mismatch in base bolts/foundation bolts
  • Check for oil level and flow
  • Listen for abnormal noise using an engineer's stethoscope

How should the base bolts/foundation bolts be checked?

  • Tighten the bolts by proper torqueing
  • Check for oil level and flow
  • Observe for mismatch (correct)
  • Use a temperature gun and scan the bearing housing for maximum temperature found

What should be used to locate the source of abnormal noise?

  • Oil level check
  • Grease condition check
  • Temperature gun
  • Engineer's stethoscope (correct)

What action should be taken if there is a sudden increase in bearing temperature by more than 50°C?

<p>Take notice and analyze the reason (C)</p> Signup and view all the answers

What should be checked if there is abnormal rubbing sound, shrill, knocking, etc.?

<p>Pin point the source of abnormal noise and take corrective action (A)</p> Signup and view all the answers

What should be checked to ensure the coupling guard is fixed properly?

<p>Tightening of the fixing bolt (B)</p> Signup and view all the answers

What should be done if there is oil leakage from the bearing housing or Plummer block?

<p>Attend the leakage during the next shutdown (A)</p> Signup and view all the answers

How should the oil level be checked in the bearing housing?

<p>Using a dip stick (C)</p> Signup and view all the answers

What action should be taken to maintain the oil level in the bearing housing when the fan is stationary?

<p>Check and top up oil to maintain its level (B)</p> Signup and view all the answers

What should be checked to ensure proper maintenance in centralized lubrication?

<p>Check oil level in the bearing housing (B)</p> Signup and view all the answers

Flashcards

How to check bearing temperature?

Use a temperature gun to scan the bearing housing.

How to check base/foundation bolts?

Observe the base bolts for any mismatch.

Tool to locate abnormal noise?

An engineer's stethoscope should be used to pinpoint the source.

Action for sudden bearing temperature increase?

Analyze the reason for the temperature spike. A sudden increase of 50°C is an indicator.

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Check for abnormal rubbing sounds?

Pinpoint the noise source and take corrective action.

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Ensuring coupling guard is fixed?

Check and tighten the fixing bolts.

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Action for oil leakage?

Address the leakage during the next scheduled shutdown.

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How to check oil level?

Use a dip stick to check the oil level.

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Maintain oil level when stationary?

Check and top up oil to maintain the level.

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Proper Maintenance in Centralized Lubrication?

Check the oil level in the bearing housing to ensure proper maintenance.

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