These GU locks feature rollers outside of the hooks. This version is the narrow lock with split spindle operation but it is also available in lift lever and wide versions.
- Depending on date of manufacture either:
Undo screw or screws in the latch, remove, reverse and reinsert Push a flat bladed screwdriver into the small rectangular slot above spindle and pull out latch at same time. Reverse and reinsert
- Remove the latch to reveal a small screw. Use a small bladed screw driver to turn the screw 180 degrees then return latch to the correct position.
- Overall length – 2285mm
- Distance between outer rollers – 1330mm
- Distance between hooks – 990mm
- GU locks are now manufactured with a new style centre case
- The main difference between old and new style is the distance between the latch and the deadbolt, this will sometimes cause problems with strike plates
- The other major difference in the height of the lockcase, although this shouldn’t cause any real problems when retro fitting