SARGENT 7900 Mortise Lock User Manual
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Installation Instructions for 7900 Mortise Locks
See particular trim section for your lock - rose trim shown
Inside of
door
Outside of
door
(3) Slide outside trim assembly through the door
and lockbody.
(2) Make sure the hand of the lockbody match
the hand of the door (see page 4 on how to
rehand lockbody). Slide lockbody into the
door's mortise pocket.
(1) Important: Check template 4589 or 4588 to
prep door for function holes, size & location.
Verify strike location according to
template. Clean out door pocket and
door edge of any debris.
Right Hand Door Shown
Note: Always keep door held
open while installing lock
Note: If installing lever/knob
on just one side, see separate
instruction sheet
(4) For cylinder functions; slide cylinder through the spring and
collar/rosette; then thread the cylinder into the lockbody until
cylinder face is flush with collar/rosette.
Note: SARGENT logo must be horizontal & on the top portion
of the cylinder. Standard cylinder for 1-3/4" door is a #41
(1-1/8) length.
(5) Tighten cylinder clamp screw with a #2 Phillips screwdriver
(6) Secure lockbody in mortise pocket with two #12 x 1-1/4"
for wood doors or two machine screws #12-24 x 1/2" for
metal doors.
(7) Slide spindle into lockbody hub
(8) Slide inside adapter & plate assembly over spindle & secure
with two # 8 -32 x 5/8" screws
Inside of
door
Outside of
door
(9) Screw rose onto inside adapter &
plate assembly until tight against
door (For escutcheons, see
instruction page 3)
(10) Position inside lever and secure
set screw with T20 Torx wrench
(11) As required; install
thumbturn/emergency release
according to instructions on bag
(12) Attach outside front with two
#8-32 x 1/4" flat head screws
(13) Check lock for proper operation by
function number prior to closing door
Note: LFIC and SFIC cylinders require a
control key (key stamped with “C”) to
remove and install the cylinder cores.
Not provided standard; must be requested
separately.
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A7859:C 7-16-10
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an ASSA ABLOY Group company. All rights reserved.
Reproduction in whole or in part without the express
written permission of Sargent Manufacturing Company
is prohibited.