Dormakaba 8900 IS User manual

8900 IS, ISJ, ISH, ISJH
Integra stop arm for regular and top jamb mounts
with hold open (ISH, ISJH)
Installation instructions
08279911 – 09-2019
| EN |

28900 Surface Applied Closers 09-2019
08279911
dormakaba 8900 IS, ISJ, ISH, ISJH Installation Instructions Table of Contents
Table of contents
1 Technical specifications 3
. Overview 
. Tools recommended 
. Handing the door 
. Surface closer components 
2 Installation - regular mount 5
. Securing surface closer and main arm
to door/frame 
. Securing main arm to closer 
3 Instructions - top jamb mount 6
. Securing surface closer and main arm
to door/frame 
. Securing main arm to closer 
4 Adjustments 7
. Adjust closing speeds: sweep, latch, backcheck,
delayed action 
. Adjust optional hold open 
. Adjust spring force 
5 Install covers 8

dormakaba 8900 IS, ISJ, ISH, ISJH Installation Instructions
08279911 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 °.
Maximum -/” reveal on top jamb mounts for
° degree openings.
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.
Drill bits: # phillips screwdriver
Metal: /” drill bit; /-
tap
/” or mm box wrench
Wood: /” bit ” adjustable wrench
DPK: /” /” hex key
Sex nuts: /” mm hex key
. 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

dormakaba 8900 IS, ISJ, ISH, ISJH Installation Instructions
08279911 09-20198900 Surface Applied Closers
4
Surface closer system
The surface closer is comprised of the following components.
. Cover
. Pinion
. Delayed action adjustment
. Latch speed adjustment
. Closer body
. Closing/sweep speed adjustment
. Backcheck adjustment
. Optional backplate
. Bar/shoe assembly
. Main arm
. Connecting arm
. Backcheck positioning
. Surface closer components













dormakaba 8900 IS, ISJ, ISH, ISJH Installation Instructions
08279911 09-20198900 Surface Applied Closers 5
Regular mount
2 Installation - regular mount
. Securing surface closer and main arm to door/frame
Fig.
Fig.
Left Hand (LH)
Configuration Plate
pointing to the LEFT
Right Hand (RH)
Configuration Plate
pointing to the RIGHT
Hold open
plate
.. Secure closer body to door.
• Use four /- x ” PH flat head screws [# x -/” PH
flat head wood screws] provided.
.. Secure the bar/shoe assembly to frame.
• Use two /- x /” Phillips round head screws
[# x -/” round head wood screws] provided.
.. Secure main arm to operator pinion.
• Use a torque wrench ( ft-lbs) and provided pinion screw
[M x  socket head cap screw].
NOTE: To disassemble hold open plate:
• Remove both screws from bottom of plate using a /”
hex key.
• Keeping all washers in place, flip plate over to orient as per
image above.
• Re-secure plate with both screws.
. Securing main arm to closer
.. Slide end of connecting arm into end of bar/shoe assembly. .. Secure connecting arm and bar/shoe assembly.
• Use provided fastener [/- x / hex bolt].
Toward
the hinge
Pinion
Closer
Right hand
door shown
Bar/shoe
assembly
Pinion
Pinion
screw
Non-hold open
Main/
connecting
arm assembly
Right hand
door shown
Pinion
Pinion
screw
Hold open
Bar/shoe
assembly
Main/
connecting
arm assembly
Right hand
door shown
Main arm
Bar/shoe
assembly
Connecting
arm
Right hand
door shown
/- x /
hex bolt
Right hand
door shown
Hinge
Door

dormakaba 8900 IS, ISJ, ISH, ISJH Installation Instructions
08279911 09-20198900 Surface Applied Closers
6
Top jamb mount
. Securing surface closer and main arm to door/frame
Fig.
3 Instructions - top jamb mount
.. Secure plate (BP) to frame.
• Use four /- x /” flat head screws [# x -/
Phillips flat head wood screws] provided.
.. Secure closer body to plate.
• Use four /- x -/” Phillips flat head screws provided
with plate itself.
.. Secure bar/shoe assembly to mounting surface.
• Use two /- x /” PH round head screws
[# x -/” round head wood screws] provided.
.. Secure main arm to operator pinion.
• Use a torque wrench ( ft-lbs) and provided pinion screw
[M x  socket head cap screw].
NOTE: To disassemble hold open plate:
• Remove both screws from bottom of plate using a /”
hex key.
• Keeping all washers in place, flip plate over to orient as per
image above.
• Re-secure plate with both screws.
. Securing main arm to closer
Fig.
.. Slide end of connecting arm into end of bar/shoe assembly. .. Secure connecting arm and bar/shoe assembly.
• Use provided fastener [/- x / hex bolt].
Left Hand (LH)
Configuration Plate
pointing to the LEFT
Right Hand (RH)
Configuration Plate
pointing to the RIGHT
Hold open
plate
1
Pinion
toward
the
hinge
Pinion
Left hand
door shown
Plate
Hold open
Bar/shoe
assembly
Pinion
Pinion
screw
Main/
connecting
arm assembly
Non-hold open
Bar/shoe
assembly
Main/
connecting
arm assembly
Pinion
Pinion
screw
Left hand
door shown
3
Main arm
Bar/shoe
assembly
Connecting
arm
Left hand
door shown Left hand
door shown
/- x /
hex bolt
Hinge

dormakaba 8900 IS, ISJ, ISH, ISJH Installation Instructions
08279911 09-20198900 Surface Applied Closers 7
Adjust closing speeds
Adjust hold open
4 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.
.. Adjust sweep speed for the area from ° - °.
• Increase sweep speed: Turn valve counter-clockwise
• Decrease sweep speed: Turn valve clockwise
.. Adjust latch speed from ° - °.
• Increase latch speed: Turn valve counter-clockwise
• Decrease latch speed: Turn valve clockwise
.. Adjust backcheck for the area from ° - °.
• Increase resistance: Turn valve clockwise
• Decrease resistance: Turn valve counter-clockwise.
.. Adjusting Backcheck positioning will advance
approximately ° in the “ON” position. Shipped from
factory fully “ON”.
• Turn OFF: Rotate counter-clockwise
• Turn ON: Rotate clockwise
.. Adjust Delayed Action for the are from ° - °.
• Increase delay: Turn valve counter-clockwise
• Decrease delay: Turn valve clockwise
.. Enabling or disabling hold open.
• Twist hold open handle up or down to loosne or
tighten, respectively, the hold open capacity.
.. Engaging or disengaging hold open.
• Engaging hold open: Push door open until hold
open ball connects with detent in handle.
• Disengaging hold open: Pull door to pop hold
open ball out of detent.
. Adjust optional hold open
Fig.
Sweep
Latch
Backcheck
Backcheck
positioning
Delay
Sweep
Latch
Backcheck
Delayed
action
110°
7°
70°
75°

dormakaba 8900 IS, ISJ, ISH, ISJH Installation Instructions
08279911 09-20198900 Surface Applied Closers
8
Adjust spring force
Secure covers
. Adjust spring force
Fig.
Increase
Decrease
Regular and top jamb mounts
Closer size Door width Full turns
Interior Exterior
, 
 ” ---
 ” ” -
 ” ” -
 ” ” 
 ” ” +
 ” ” +
5 Install covers
Fig.
.. Snap cover over closer body.
Left hand
door shown
Cover

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