IN120 / IN220 Mortise Lock
5 Install Thumb Turn
1. Insert thumb turn into preparation hole and engage slot in lock body.
2. Orient mounting plate so screw hole is vertical and aligned with
preparation holes.
3. Secure plate with Phillips screw provided.
4. Test thumb turn for function by retracting and projecting the deadbolt
(7976 / 7977 and 82276 / 82277 functions only).
6 Attach Front Plate
Attach front plate with (2) Phillips head screws.
Cat 5e or higher cable from
hinge (with ground wire)
Thumb
Turn
Fig. 5
Outside of
Door
Fig. 6
1-800-810-WIRE • www.sargentlock.com • A8151H
Inside of
Door
(2) Phillips
head screws
19