SECO-LARM
Double-Door Electromagnetic Locks
4
SECO-LARM U.S.A., Inc.
Door Frame
Door
Door
Door Frame
Door
Template
Door Frame
Ideal
Mounting
Location
Ideal
Mounting
Location
3.
Place the template
against the door and
frame. Mark where
the holes are to be
drilled.
2.
Close the doors. Find a mounting location on the
center of the door frame, directly above where
both doors meet when closed.
5.
Use a hammer to
lightly tap the guide
pins into the guide pin
holes on the armature
plates.
Drill two
5
/
16
" (8mm) dia. holes through
the armature-plate side of the doors for
the armature screws. Then drill two
5
/
8
"
(16mm) dia. holes for sexnut screws on
the opposite side of the doors.
5
/
8
" (16mm)
5
/
16
" (8mm)
Hollow Metal Door
Reinforced Door
1
/
4
" (6.8mm) for M8x1.25 thread
Drill two
1
/
4
" (6.8mm) dia.
and 1" (25mm) deep
hole, tap for M8x1.25
thread on each door.
Solid Core
Drill two
5
/
16
" (8mm) dia. holes on the
doors for the armature screws, and drill
two
1
/
2
" (12.7mm) dia. and 1" (25mm)
deep hole for the sexnut screws.
1
/
2
" (12.7mm)
5
/
16
" (8mm)
Installation
4.
Drill four holes in the frame and six holes in
the door as shown on the template.
1.
Fold the mounting template along the dotted
line to form a 90-degree angle.
6.
Depending on the type of door being protected, drill holes according to the diagrams below:
