Make 2 x cut out in top of door as shown.
Concealed overhead door closer installation.
Laurence as closer bodies only or as standard packages for center hung and offset door installations.
Cut out must be on the inside of the door.
Install 13 x.
Jackson overhead concealed door closers ohc are available from c r.
Install closer into header by inserting tabs into anchor bracket and securing with 2 51 4 20 x 8 pan head screws.
Closer adjustment valves must always be accessible.
The standard packages include the closer mechanism mounting brackets arms and pivots.
When the door closer must be concealed above the ceiling or drywall a longer or extended spindle is required.
Ohc s are divided into three groups.
88 series concealed overhead door closer installation instructions 88 series concealed overhead door closer cal royal products inc.
Copyright 2016 international door closers inc top door rail s type side loading arm drill or drill and tap holes in top of door as shown.
End caps are used to cover the mortise edges for wood doors on center hung 608 and 700 800 models.
Usa single acting center hung side and end loading.