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Chapter 4: Seat Belt Systems With Pre-Crash Locking Features

Chapter 4: Seat Belt Systems With Pre-Crash Locking Features. Chapter Objectives:. Explain the connection between pre-crash locking seat belt systems and CR installation Identify seat belt parts Describe types of pre-crash locking seat belt systems

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Chapter 4: Seat Belt Systems With Pre-Crash Locking Features

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  1. Chapter 4: Seat Belt Systems With Pre-Crash Locking Features

  2. Chapter Objectives: • Explain the connection between pre-crash locking seat belt systems and CR installation • Identify seat belt parts • Describe types of pre-crash locking seat belt systems • Observe an instructor secure a CR using a pre-crash locking seat belt system

  3. The CR and Seat Belt Connection • All seat belts are designed to lock in a crash • Correct CR installation requires a pre-crash locked seat belt system • Something has to lock the CR in the vehicle

  4. Name the Seat Belt Parts • Buckle • Retractor • Anchors • Webbing • Latchplate

  5. Locked Not Locked Seat Belt Systems With Pre-Crash Locking Features: Locking Latchplate Locking Bar

  6. Seat Belt Systems With Pre-Crash Locking Features: More Locking Latchplates Locking Part

  7. ADULT Position CHILD Position Seat Belt Systems With Pre-Crash Locking Features: Switchable Latchplates

  8. Securing a CR With a Pre-Crash Locking Latchplate • Determine latchplate type • Place belt through correct CR belt path and buckle • Apply weight in CR and pull webbing at the belt path to tighten lap belt • Check for tight installation

  9. Workbook Activity 1:Pre-Crash Locking Latchplates • Name the two types of pre-crash locking latchplates that can secure a CR • What must you do to put a pre-crash locking latchplate into the locked position? • What must you do to put a switchable pre-crash locking latchplate into the locked position?

  10. Automatic Locking Retractors (ALR) • Can be found in: • Lap belt only or • Lap/shoulder belt • Test if you have an ALR • Pull the webbing out slowly and gently • See if once you stop, the seat belt can only get shorter

  11. How to Install a CR With an ALR Retractor • Pull webbing fully out of retractor and HOLD • Place belt through correct CR belt path and buckle • Apply weight on seat and let go of extra webbing • Help put extra webbing back into the retractor • Check for tight installation

  12. Seat Belt Systems With Pre-Crash Locking Features: Switchable Retractors • Can be found in: • Lap belt only • Shoulder belt only • Lap/shoulder belt • Read labels • Switches to ALR with your help • Test slowly and gently • Pull belt all the way out to switch to ALR • Note that some have a button to switch to ALR

  13. Installing a CR With a Switchable Retractor • Route belt through correct CR belt path and buckle • Gently pull webbing all the way out of retractor and test gently • Apply weight on seat • Tighten the seat belt • Feed extra webbing back onto the retractor • Check for tight installation at CR belt path

  14. Workbook Activity 2: Pre-Crash Locking Retractors • Explain the two types of retractors that can secure a CR • Explain how to secure a CR using an ALR retractor • Explain how to secure a CR with a switchable retractor

  15. Hands-On Activity 3:Putting It All Together • Sit in vehicle and buckle seat belt around occupant • Identify retractor and latchplate type • Demonstrate forward-facing CR installations: • CR with ALR and top tether • CR with switchable retractor and top tether • CR with locking latchplate

  16. Hands-On Activity 4:Occupant Protection Systems Vehicle # _______ Seating position _______

  17. Chapter Review • Connection between pre-crash locking seat belt systems and CR installation • Seat belt parts • Types of pre-crash locking seat belt systems • Ways to secure a CR with a pre-crash locking seat belt system

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