Dormakaba 7400 PT User manual

7400 PT/PTH
Track installation push side mount
and drop plate (DP74)
Installation instructions
08280421 – 11-2019
| EN |

27400 Surface Applied Closers 11-2019
08280421
dormakaba 7400 PT/PTH Installation Instructions Table of Contents
Table of contents
1 Technical specifications 3
. Overview 
. Tools recommended 
. Handing the door 
2 Instructions - track mount 4
. Installing drop plate (optional) and
surface closer 
. Assemble and secure track 
. Securing main arm to closer 
3 Adjustments 5
. Adjust closing speeds: sweep, latch, backcheck,
delayed action 
. Adjust hold open (optional) 
. Adjust spring force 
4 Install covers 6

dormakaba 7400 PT/PTH Installation Instructions
08280421 11-20197400 Surface Applied Closers 3
Technical specifications
1 Technical specifications
. Overview
Caution: sex nuts are required for attachment
of components to unreinforced doors and to
wood or plastic faced composite type fire doors,
unless an alternative method is identified in the
individual door manufacturer’s listings.
Maximum door opening degree is 180°.
Arrow on backplate points upward.
Drill bits: # Phillips screwdriver
Metal: /” drill bit; /-
tap
/” flat head screwdriver
Wood: /” and /” bit ., , mm hex key
/” & /” box wrench
. Tools recommended
Table 
. Handing the door
Fig.
Hinge Hinge
Interior side of door
Left hand door (LH) Right hand door (RH)
Exterior side of door
Know the swing of the door which is
being installed prior to installation.
Verify closer spring size prior to
installation.
Make sure door efficiently operates prior
to installing closer.

dormakaba 7400 PT/PTH Installation Instructions
08280421 11-20197400 Surface Applied Closers
4
Surface closer and drop plate
Track
Arm
2 Instructions - track mount
. Installing drop plate (optional) and surface closer
. Assemble and secure track
Fig.
Fig.
.. Reference template  and
.
.. Secure drop plate (optional). .. Secure closer body.
NOTE: Ensure pinion is oriented away from hinge.
Pinion
NOTE: For 180° openings, assemble track without
rubber stop.
LH RH
Rubber stop
. Securing main arm to closer
Fig.
.. Rotate pinion °
to pre-load.
.. Attach arm.
C
L
C
L
C
L
C
L
L
C
L
C
45° 45°
LH RH
LH RH

dormakaba 7400 PT/PTH Installation Instructions
08280421 11-20197400 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  to  seconds from º.
Maximum opening angle is º.
Do not close valves completely.
. Adjust closing speeds: sweep, latch, backcheck, delayed action
Fig.
Increase
Decrease
Increase
Decrease
Backcheck &
Delayed Action
Sweep & Latch
. Adjust hold open (optional)
Fig.
L
C
C
L
.. Place the hold open mechanism
in desired position and tighten
screw.
OFF
ON
.. To adjust hold
open force:
• To increase = turn
CW
• To decrease = turn
CCW
.. To enable: push white slide into hold open
mechanism.
.. 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

dormakaba 7400 PT/PTH Installation Instructions
08280421 11-20197400 Surface Applied Closers
6
Adjust spring force
Secure covers
. Adjust spring force
Fig.
Track mount
Closer size Max door
weight (lbs)
Door width Full turns
Interior

  ’-” +
  ’ +
  ’-” +
4 Install covers
Fig.
13
13
6
COV
FCSL FMC
Increase
Decrease
+
-

www.dormakaba.us
dormakaba
DORMA USA, Inc.
T: 800-523-8483