The item labeled #16 in the illustration is...

Question 1 / 2066636eef28f7522a1c51fd54

Question 1 of 2066636eef28f7522a1c51fd54

The item labeled #16 in the illustration is a stack of spring washers. Their function is to __________. Illustration MO-0062

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Question 1 of 20

66636eef28f7522a1c51fd54

The item labeled #16 in the illustration is a stack of spring washers. Their function is to __________. Illustration MO-0062

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🔍 Key Concepts

• Location of item #16 relative to the injector and the hold-down bolt • How spring (Belleville) washers behave when heated/cooled compared to solid spacers • Why injector hold-down force must remain within a narrow range during engine operation

💭 Think About

• Look at where the stack of spring washers sits in the assembly: Is it in direct contact with fuel, combustion gas, or the hold-down bolt? What does that suggest about its job? • Think about what happens to the cylinder head, injector body, and hold‑down bolt as the engine heats up and cools down. Which part grows longer the most, and how could a stack of spring washers compensate for that? • Which choice describes a function that a stack of flexible washers on a bolt can realistically perform, versus something that would require a hydraulic device or measurement tool?

✅ Before You Answer

• Verify which component the washers actually bear against: are they in the fuel passage, combustion space, or on the injector hold‑down bolt? • Ask whether the function described would require the washers to be exposed directly to fuel pressure pulses or combustion pressure, or only to bolt tension and thermal movement. • Check which option describes a function related to maintaining clamping force/preload on the injector rather than measuring or absorbing fluid pressure.

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Question 1 of 20

The item labeled #16 in the illustration is a stack of spring washers. Their function is to __________. Illustration MO-0062

absorb the high-pressure pulses developed during the fuel injection process

prevent bolt failure by allowing limited movement of the injector when excessively high cylinder pressures are developed

maintain the same hold-down force on the injector regardless of varying engine operating temperatures

permit accurate stretch gauge measurement of bolt elongation during installation

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Question 1 / 2066636eef28f7522a1c51fd54

Question 1 of 2066636eef28f7522a1c51fd54

The item labeled #16 in the illustration is a stack of spring washers. Their function is to __________. Illustration MO-0062

Back

Question 1 of 20

66636eef28f7522a1c51fd54

The item labeled #16 in the illustration is a stack of spring washers. Their function is to __________. Illustration MO-0062

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed