🔍 Key Concepts

• Effects of foreign objects entering a turbocharger on a diesel engine • Safe procedures when working near an engine’s air intake • Differences between cleaning a filter element and exposing the turbocharger compressor directly

💭 Think About

• What could happen if loose tools, rags, or debris are accidentally drawn into a spinning turbocharger? • When should the engine be running or stopped during air filter maintenance, and why? • Which option best prevents damage or injury while the filter is removed?

✅ Before You Answer

• Verify which option physically protects the turbocharger from ingesting foreign objects during maintenance. • Confirm that the step can only be done with the engine safely secured (not running). • Check which choice focuses on preventing damage/injury, not just cleaning the filter.