SECO-LARM Electric Shear Lock
6
SECO-LARM U.S.A., Inc.
Fig. 6 Adjustment Of SD-993B-SS Electric Shear Lock
Magnet
Armature
Use hex wrench (included) to adjust
Armature plate to approx. 2mm gap.
Min
2mm
gap
Installation for Surface Mounting (SD-993S-SB):
Surface-mount
(magnet and armature)
Use 2 x surface-mount brackets
Flush mount (magnet)
Surface mount (door)
Use 1 x surface mount bracket
The magnet assembly is in the
bracket above the door, and the
armature assembly is in the
bracket on the door.
The magnet assembly is flush to
the door frame or header, and the
armature assembly is in the bracket
on the door.
Header
Header
M6 x 45 screw
Blind Nut
Blind Nut
Metal
Door
M6 x 45 screw
Magnet
Assembly
Armature
Assembly
Armature
Assembly
Magnet
Assembly
2mm
M6x45 screw
Blind Nut
Metal
Door
Surface
Mount bracket
Surface
Mount bracket
Installation - Mount the Magnet Assembly and Armature Assembly (Cont.):
