dormakaba 7400 DS/DST/SDS/SDST Installation Instructions
08279441
01-2021
7400 Surface Applied Closers
7
Adjust closing speeds
3
Adjustments
Confirm closer spring size prior to making any
closing speed adjustments.
Do not back valve heads out beyond closer casting.
Door should close in 3 to 6 seconds from 90º.
Maximum opening angle is 110º.
Do not close valves completely.
3.1 Adjust closing speeds: sweep, latch, backcheck, delayed action
Check delayed action (DEL) function if supplied.
7414 meets 5lb interior barrier-free requirements.
If necessary, adjust closer spring and test pull
forces until proper forces are obtained.
Ball bearing hinges and pivots should always be
used.
Increase
Decrease
Increase
Decrease
Backcheck
Sweep, latch,
delayed action
+
-
+
-
+
-
+
-
-
+
BC
DA
L
S
Fig.8
