dormakaba 7400 PT/PTH Installation Instructions
08280421
11-2019
7400 Surface Applied Closers
5
Adjust closing speeds
Adjust hold open
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 180º.
Do not close valves completely.
3.1 Adjust closing speeds: sweep, latch, backcheck, delayed action
Fig.5
Increase
Decrease
Increase
Decrease
Backcheck &
Delayed Action
Sweep & Latch
3.2 Adjust hold open (optional)
Fig.6
L
C
CL
3.2.1 Place the hold open mechanism
in desired position and tighten
screw.
OFF
ON
3.2.2 To adjust hold
open force:
•
To increase = turn
CW
•
To decrease = turn
CCW
3.2.3 To enable: push white slide into hold open
mechanism.
3.2.4 To disable: pull white slide away from hold
open mechanism.
+
-
+
-
+
-
+
-
-
+
BC
DA
L
S
•
Backcheck positioning MUST be turned
“ON” for parallel arm applications.
•
Check delayed action (DEL) function if
supplied.
NOTE: Hold open
mechanism and slide
shoe must be installed
with arrows pointing
awayfrom hinges.
Hinge
Hinge
Hold open
mechansim
Slide shoe
Slide
shoe
Hold open
mechansim
Rubber
stop
End
block
