Door Lock Cylinder Removal & Measuring Guide

How To Remove & Measure A Euro Cylinder Door Lock

Remove Euro Cylinder:

  • Remove the screw from the edge of the door that retains the lock cylinder (located on the edge of the door and inline with the bottom of the cylinder).
  • Whilst turning the key slightly remove the cylinder with a gentle pulling motion.

Measure Euro Cylinder:

  • Measure from the outside edge of the cylinder (A) to the centre of the locking cam.
  • Measure from the opposite edge of the cylinder (B) to the centre of the locking cam.


 remove & measure euro cylinder 

                                                                  
Example: If dimension A = 45 mm and dimension B = 40 mm order a 45/40 cylinder. This will have a total length of 85 mm (45 + 40 = 85)


How To Remove A Thumb Turn Euro Cylinder Door Lock

Remove Thumb Turn:

  • Remove the lock retaining screw from the edge of the door (located on the edge of the door and inline with the bottom of the cylinder).

  • Whilst turning the thumb turn slightly, remove the cylinder with a gentle pulling motion.

 

Measure Thumb Turn:


   remove & measure thumbturn euro cylinder

                                                    

 Measure from the outside edge of the cylinder (T) to the centre of the locking cam.

  • Measure from the opposite edge of the cylinder (B) to the centre of the locking cam.
  • Measure edge to edge (O) for overall length of cylinder.

Example: If dimension T = 45 mm and dimension B = 40 mm order a T45/40 cylinder, (dimension o = 45 + 40 = 85 mm).

The "T" prefix denotes the thumbturn or inside part of the lock.

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