Dormakaba 8907 AF PKT User manual

8907 AF PKT 90°
Flat arm 90° pocket door mount (closer on wall)
Installation instructions
08280151 – 09-2019
| EN |

28900 Surface Applied Closers 09-2019
08280151
dormakaba 8907 AF PKT 90° Installation Instructions Table of Contents
Table of contents
1 Technical specifications 3
. Overview 
. Pocket depth chart 
. Tools recommended 
. Handing the door 
2 Instructions - 90° pocket door mount 4
. Installing surface closer 
. Secure arm to closer 
. Securing arm shoe to door 
3 Adjustments 5
. Adjust closing speeds: sweep, latch, backcheck 
4 Install covers 5

dormakaba 8907 AF PKT 90° Installation Instructions
08280151 09-20198900 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 90°.
Pocket
depth
Connecting arm “A”
° pivot /”
offset
butt hinge
total
door
hinge
MARKAR
FM-
ARCFM 
hinge
-/” 
[]
-/”
[]
-/”
[]
-/”
[]
-/”
[]
” 
[]
-/”
[]
-/”
[]

[]
-/”
[]
-/” 
[]
-/”
[]
-/”
[]
-/”
[]
-/”
[]
-/” 
[]
-/”
[]
-/”
[]
-/”
[]
-/”
[]
” 
[]
-/”
[]
-/”
[]
-/”
[]
-/”
[]
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.
Table 
Drill bits: # Phillips screwdriver
Metal: /” drill bit; /-
tap
/” flat head screwdriver
Wood: /” and /” bit mm hex key
/” box wrench
. Pocket depth chart
. Tools recommended
Table 
. Handing the door
Fig.
Hinge Hinge
Interior side of door
Left hand door (LH) Right hand door (RH)

dormakaba 8907 AF PKT 90° Installation Instructions
08280151 09-20198900 Surface Applied Closers
4
Closer
Arm
2 Instructions - 90° pocket door mount
. Installing surface closer
. Secure arm to closer
. Securing arm shoe to door
Fig.
Fig.
Fig.
.. Reference template .
.. Attach closer to wall.
NOTE: Ensure pinion is oriented toward hinge.
.. Place main arm on pinion at ° off
centerline of body, angled toward
closed door and secure tightly with
pinion screw.
.. Attach arm shoe to door.
.. Adjust connecting arm rod length
according to pocket depth chart.
.. Tighten screw.
LH RH
Pinion screw
Connecting
arm
45°
Pocket
Door
Center of
pivot point
Center of
pivot point
Connecting
arm “A”
Screw
Arm shoe
Rod
Main arm

dormakaba 8907 AF PKT 90° Installation Instructions
08280151 09-20198900 Surface Applied Closers 5
Adjust closing speeds
Covers
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
Fig.
Increase
Decrease
Increase
Decrease Backcheck
Sweep & Latch
.. Adjust closing sweep speed: ° to start of latch speed.
• Increase sweep speed: Turn valve counter-clockwise
• Decrease sweep speed: Turn valve clockwise.
.. Adjust closing latch speed: ° to close.
• Increase latch speed: Turn valve counter-clockwise
.. Adjust opening backcheck: beginning at °.
• Increase resistance: Turn valve clockwise
• Decrease resistance: Turn valve counter-clockwise.
+
-
+
-
-
++
-
-
+
S
BC
L
DEL
POS
S
L
4 Install covers
Fig.
Snap valve
adjustment
wrench inside
cover.
.. Place tab in cover slot, opposite main
arm.
.. Place cover over closer and fasten
securely with screws provided. Tab

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