Schlage M490DE - Attach Armature to Door

5
2 Attach armature to door.
2a Install armature holder.
OUTSIDE
CAUTION
Armature holder screws must be
ushtoinsideofarmatureholder.
2x
2b Install armature plate as shown for door type (M420/M450 shown).
WARNING
Armature bolt must be tightened to at least 120 in.-lbs. for all doors except
compositewooddoors.Forcompositewooddoors,tightenonlytotightandush.
120 in.-lbs. may damage composite wood doors.
DO NOT back off bolt after tightening! Backing off the bolt after tightening will
loosen the thread-locking patch, which may allow the bolt to loosen over time.
The included sex nut is for 1C\v” (45 mm) doors ONLY. For other door thicknesses,
please contact customer service, 1-877-671-7011. Using the incorrect sex nut for
your door thickness will lead to improper function and possible injury.
OR
OR
Armature Bolt
Drill and tap
for B\zn - 18
machine screw
Flat Washer
Star Locking Washer
Cone Washer
Armature Holder
Armature Plate
Reinforced Metal Door
Sex Nut
Armature Bolt
Z\x” hole
through
Wood Door
Flat Washer
Star Locking Washer
Cone Washer
Armature Holder
Armature Plate
ZZ\cx”
hole
Sex Nut
Armature Bolt
Z\x” hole
Hollow Metal Door
WARNING
Sex nut must extend all the way through hollow metal door
for proper installation. Improper Sex nut or installation may
lead to malfunction and injury. Extended lengths available
from customer service, 1-877-671-7011.
Flat Washer
Star Locking Washer
Cone Washer
Armature Holder
Armature Plate
Correct
Incorrect