Your auxiliary diesel engine has an air...

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Question 1 of 2066636ef128f7522a1c520f64

Your auxiliary diesel engine has an air start system with a Bendix drive. You have the air cocks open to roll over the engine. You push the start button and nothing happens. What is the FIRST thing that you should suspect?

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Question 1 of 20

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🔍 Key Concepts

• Air start system sequence – what has to happen, in order, from pushing the start button until the engine actually turns • Bendix drive function – how the Bendix engages the starter with the engine flywheel and what would keep it from engaging at all • Safety concerns – which condition in the choices would be most dangerous if you tried to crank the engine with air start

💭 Think About

• Before anything can turn, what must physically move when you press the start button in an air‑start/Bendix setup? • Which of these problems would completely prevent any movement right at the start, versus problems that would show up after the engine begins to roll? • If you heard and felt absolutely nothing when pressing START, which component in the chain (valves, drive, cylinders, tank) do you logically question first?

✅ Before You Answer

• Verify which choice represents a mechanical lock or obstruction that would stop the engine from rolling at all • Consider which option would be checked immediately for safety before repeated start attempts • Ask yourself which of these is a common first suspicion when an air‑start engine will not turn and could be at risk of damage if forced

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