dormakaba 7400 DS/DST/SDS/SDST Installation Instructions
08279441
01-2021
7400 Surface Applied Closers
6
Main arm
Adjust hold open
2.4 Securing main arm to closer
Fig.6
2.4.1 Rotate pinion 45° to pre-load.
2.4.2 Attach arm PARALLEL to door.
LH
45°
45°
L
C
CL
RH
2.5 Adjust hold open (DST/DSK units only)
Fig.7
2.5.1 Engage hold open: Open door
until mechanism locks onto ball
on plate.
2.5.2 Tighten thumb turn or key turn
until desired hold open force is
met.
Key turn
Thumb
turn
Ball