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

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.

45° 45°

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.

.. Place the hold open mechanism

in desired position and tighten

screw.

OFF

.. To adjust hold

open force:

• To increase = turn

• To decrease = turn

CCW

.. To enable: push white slide into hold open

mechanism.

.. To disable: pull white slide away from hold

open mechanism.

• 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

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

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.

COV

FCSL FMC

Increase

Decrease

www.dormakaba.us

dormakaba

DORMA USA, Inc.

T: 800-523-8483

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