IMPORTANT - This will NOT fit all Fuhr Locks
If the lock case does not look like the picture and has 3 screws connecting the gearbox to faceplate, it will not work.
Fuhr new style gearbox for lift lever with an 8mm spindle 92mm centers
This Fuhr Mortise lock case will only replace the newer style multipoint locks that are attached to the faceplate with three screws.
There is an older style, that does not have screws and this will NOT work.
See Additional images to verify which lock you have.
Method to Connect Lock Case to Face Plate: 3 Screws
Backset: 1-3/8 inch (35mm)
Handle PZ: 3-5/8inch (92mm)
Spindle Hub: 5/16 inch (8mm)
Screw Thread: M4
Top to bottom connection Screw: 7-13/16 inch
Bottom Screw to Center Screw: 4-1/4 inch
Top Screw to Center Screw: 3-9/16 inch
Note: To change handing, remove 5/64 Hex head screw holding latch, reverse and re-install screw.