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Mod4 jan2014 wmv


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  • 1. National Child Passenger Safety Certification Training Program National Child Passenger Safety Certification Training Program Module 4 Seat Belt Systems 4-1
  • 2. Module 4 Objectives • Identify federal standards related to seat belts. • Name types of seat belts and seat belt parts. • Describe types of latchplates. • Describe types of retractors. • Locate latchplates and retractors. • Identify approved additional locking steps. • Explain best practices about seat belt systems to caregivers. 4-2
  • 3. FMVSS 208 • M Y 1996: All passenger seat belt systems must lock to secure car seats. • 2008: Lap-andshoulder belts are required in all seating positions. 4-3
  • 4. Lap Belts & Lap-and-Shoulder Seat Belts 4-4
  • 5. Seat Belt Parts Buckle Retractor Anchor Webbing Latchplate 4-5
  • 6. Locking Latchplate 4-6
  • 7. Locking Latchplate (continued) 4-7
  • 8. Switchable Latchplate 4-8
  • 9. Sliding & Sewn-On Latchplates 4-9
  • 10. Dynamic Locking Latchplate • Lock the lap-andshoulder belt when loaded by occupant during a crash • Not intended to provide locking of seat belt for a car seat 4-10
  • 11. Emergency Locking Retractor 4-11
  • 12. Automatic Locking Retractor 4-12
  • 13. Switchable Retractor • Starts in unlocked “comfortable” mode • Switches to a locked mode • Most common system to encounter in field • Once switched to automatic locking mode, belt will only shorten 4-13
  • 14. When to Use a Locking Clip • Retractor = emergency locking • Latchplate = sliding • Lap-and-shoulder belt all one piece of webbing 4-14
  • 15. Install a Locking Clip 4-15
  • 16. When to Use a Belt-Shortening Clip • Retractor = emergency locking • Latchplate = sewn-on • No locking feature (there may or may not be a separate shoulder belt) 4-16
  • 17. Install a Belt-Shortening Clip 4-17
  • 18. Locking Clip Vs. Belt-Shortening Clip Locking Clip/Lock-Off Belt-Shortening Clip Found on every car seat with a harness Purchased from auto dealer Used with lap-shoulder belt with emergency locking retractor and sliding latchplate Used on lap portion of seat belt with emergency locking retractor and sewn-on latchplate Used only on seat belt with retractor as backup Used in place of retractor: no retractor backup available NEVER used to replace belt-shortening clip or to shorten a seat belt Can be used in place of locking clip 4-18
  • 19. Flip the Latchplate or Twist the Buckle Stalk 4-19
  • 20. Key Questions Related to Seat Belt Systems • How many child passengers are you transporting? • What are their ages and weights? • What types of seat belt systems are in the vehicle? • Are the seat belt systems – buckle, retractor, anchors, webbing, and latchplate – in good working order? 4-20
  • 21. Key Questions Related to Seat Belt Systems (continued) • Do the seat belts in the vehicle have a locking feature (vehicles since 1996)? • Does the seat belt lock at the latchplate or the retractor? • What are the latchplate and retractor types? 4-21
  • 22. Install a Car Seat with a Locking Latchplate 4-22
  • 23. Install a Car Seat with an Automatic Locking Retractor 4-23