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Appendix One



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Part B: Windscreen Inspection Guide: Box Hill Institute

Licensed Vehicle Testers and Examiners Course

Windscreen Inspection Guide

Thoroughly clean the windscreen before inspection

Common Defects

Image of Windscreen with Common Defects

Defect Repair/Replace OK
  1. Excessive sand blasting

Judgement: a) Hold fluorescent of high intensity spot light outside of screen to highlight damage.

b) If the light aura around the blasting area increases in apparent spot size, then reject

 Yes  
  1. Cracks
  2. finished and less than 150 mm long

 

 

 

Yes - See below

  1. unfinished
 Yes  
  1. in wiper arc
 Yes  
  1. Bullseyes
  2. ouside wiper arc ( to a maximum 16mm diameter)

 

 

Yes - See below

  1. inside wiper arc
 Yes  
  1. Star fracture
  2. outside wiper arc

 

 

 

Yes - See below

  1. inside wiper arc
 Yes  
  1. star fracture with run
 Yes  
Excessive scratching Yes  
Bonded windscreens are considered to be structural. Therefore, loose screens or water leaks.

Yes

 
Windscreens with safety grooves:

If marked with Safety Groove Symbol and serial number on bottom RH corner

 

 

 

Yes

*As long as they do not penetrate more than one layer of glass in a laminated windscreen

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Last update January 11, 2002
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