10
6. Install the spindle insert into the spindle pocket on the lock assembly, ensuring that the long side
of the spindle insert is parallel to the long side of the mounting plate.
7. Being careful not to drop or unseat the spindle insert, temporarily install the lock assembly on the
inside of the safe door.
8. Locate the spindle and note the different ends as shown in Figure 3.
Warning for distinguishing spindle ends
It is important to distinguish the double D (or 2 flat sides) end of the spindle from the single D end (1 side flat).
Medeco XT
Safe Lock Installation Guide
9. From the outside wall of the safe door, insert the double D end of the spindle through the door mounting
plate and split bushing to seat the double D end of the spindle into the spindle insert in the lock assembly.
10. With the double D end of the spindle engaged in the spindle insert and the spindle insert seated in the lock
assembly, mark the single D end of the spindle at a length of 5/8” (+/- 1/16”) from the door mounting plate
you previously installed on the exposed face of the door.
