M SERIES
Heavy Duty Mortise Lock
INSTALLATION GUIDE
Inside Lever
1. Insert spindle into hub of lock case.
2. Place spring cage with arrows pointing in
direction of lever rotation and mounting
plate (spring-mount assembly) onto lock
case and fasten into screws.
3. Cap inside rose over spring-mount assembly.
4. Insert inside spring into lever hole and
tighten inside lever bushing with spanner
wrench.
5. Insert turn piece assembly and fasten with
screws.
Front Plate
1. Install outside front plate onto
lockcase front and then fasten
with screws.