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How does the door prep change from Gen1 to Gen2 of the Schlage L9000 mortise indicators?

When replacing Gen1 L mortise indicators with Gen2 L mortise indicators, some additional door prep will be required.  

  • If a cylinder function Gen2 indicator is being added to the lock, there is one additional hole that must be drilled.  The hole is 5/32" and is located above and to the right of the cylinder hole. 
  • If a thumbturn, privacy, or cointurn Gen2 indicator is being added to the lock, there are two additional holes that must be drilled.  First is the 1 ΒΌ" cylinder hole and second is the 5/32" hole above and to the right of the cylinder hole.  

Please consult the Gen2 templates which are available on the Allegion template directory.  Here's a sample template (e.g. LG201 sectional outside template) showing the required cylinder hole and the 5/32" hole.  Always utilize the correct template for your lock function and for the correct indicator location (outside, inside, or dual.)  

 

 


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