Dormakaba 8900 SIS User manual

8900 SIS, SISJ, SISH, SISJH
Spring stop arm for regular and top jamb mount
with hold open (SISH, SISJH)
Installation instructions
08279451 – 09-2019
| EN |

28900 Surface Applied Closers 09-2019
08279451
dormakaba 8900 SIS, SISJ, SISH, SISJH Installation Instructions Table of Contents
Table of contents
1 Technical specifications 3
. Overview 
. Tools recommended 
. Handing the door 
2 Installation - regular mount 4
. Installing the surface closer 
. Surface closer components 
. Securing main arm to door/frame 
. Securing main arm to closer 
3 Instructions - top jamb mount 6
. Mounting backplate/top plate (BP) 
. Installing the surface closer 
. Securing main arm to door/frame 
. Securing main arm to closer 
4 Adjustments 8
. Adjust closing speeds: sweep, latch, backcheck,
delayed action 
. Adjust optional hold open 
5 Install covers 8

dormakaba 8900 SIS, SISJ, SISH, SISJH Installation Instructions
08279451 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)

dormakaba 8900 SIS, SISJ, SISH, SISJH Installation Instructions
08279451 09-20198900 Surface Applied Closers
4
Surface closer system
Regular mount
. Installing the surface closer
2 Installation - regular mount
The surface closer is comprised of the following components.
1. Cover
2. Pinion
3. Delayed action adjustment
4. Latch speed adjustment
5. Closer body
6. Closing/sweep speed adjustment
7. Backcheck adjustment
8. Optional backplate
9. Damper assembly
10. Main arm
11. Connecting arm
12. Backcheck positioning
Fig.
. Surface closer components
Toward the hinge
Closer
Right hand
door shown
Pinion
NOTE: Orient pinion toward the hinge.
.. Secure closer body to door.
• Use four /- x ” Phillips flat head screws
[# x -/ PH flat head wood screws]
provided.













dormakaba 8900 SIS, SISJ, SISH, SISJH Installation Instructions
08279451 09-20198900 Surface Applied Closers 5
Regular mount
. Securing main arm to door/frame
Fig.
Fig.
Non-hold open
Damper/
Damper
assembly
Pinion
Pinion
screw
Main/
connecting
arm assembly
Adjusting
tube
Damper
Adjusting
tube
/"x/"
torx head
shoulder bolt
Right hand
door shown
Pinion
Pinion
screw
Hold open
Main/
connecting
arm
assembly
Right hand
door shown
Damper
Left Hand (LH)
Configuration
Plate pointing to the
LEFT
Right Hand (RH)
Configuration
Plate pointing to the
RIGHT
Hold open
plate
.. Secure adjusting tube to damper.
• Use one /” x /” torx head shoulder bolt provided.
.. Secure damper assembly to frame.
• Use two /” x ” flat head screws
[# x ” flat 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
Hinge Main arm
Damper
assembly
5/16-18 x 3/8"
hex bolt
Connecting
arm
Right hand
door shown
Right hand
door shown
.. Slide end of connecting arm into end of damper
assembly.
.. Secure connecting arm and damper assembly.
.. Use provided fastener [/- x / hex bolt].

dormakaba 8900 SIS, SISJ, SISH, SISJH Installation Instructions
08279451 09-20198900 Surface Applied Closers
6
Top jamb mount
Fig.
Fig.
. Mounting backplate/top plate (BP)
. Installing the surface closer
3 Instructions - top jamb mount
Left hand door
shown
NOTE: Backplate is required for frames under 3” in
height.
1
Toward
the hinge
Pinion
Left hand
door shown
NOTE: Orient pinion toward the hinge.
.. Secure plate 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 the plate itself.

dormakaba 8900 SIS, SISJ, SISH, SISJH Installation Instructions
08279451 09-20198900 Surface Applied Closers 7
Top jamb mount
. Securing main arm to door/frame
Fig.
.. Secure adjusting tube to damper.
• Use one /” x /” torx head shoulder bolt provided.
.. Secure damper assembly to frame.
• Use two /” x ” flat head screws
[# x ” flat 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 damper
assembly.
.. Secure connecting arm and bar/shoe assembly.
.. Use provided fastener [/- x / hex bolt].
Damper/
Damper
assembly
Main/
connecting
arm assembly
Pinion
Pinion
screw
Adjusting
tube
Left hand
door shown
Damper
Adjusting
tube
7/8"x1/2"
torx head
shoulder bolt
Hold open
Bar/shoe
assembly
Pinion
Pinion
screw
Main/
connecting
arm assembly
Left Hand (LH)
Configuration Plate
pointing to the LEFT
Right Hand (RH)
Configuration Plate
pointing to the RIGHT
Hold open
plate
Non-hold open
Hinge
3
Main arm
Damper
assembly
5/16-18 x 3/8"
hex bolt
Connecting
arm
Left hand
door shown
Left hand
door shown

dormakaba 8900 SIS, SISJ, SISH, SISJH Installation Instructions
08279451 09-20198900 Surface Applied Closers
8
Adjust closing speeds
Adjust hold open
Covers
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.
5 Install covers
Fig.
Sweep
Latch
Backcheck
Backcheck
positioning
Delay
Sweep
Latch
Backcheck
Delayed
action
110°
7°
70°
75°
Cover
Left hand
door shown
.. Snap cover over closer body.

www.dormakaba.com
dormakaba
DORMA USA, Inc.
1 Dorma Drive, Drawer AC
Reamstown, PA 17567
USA
T: 717-336-3881
F: 717-336-2106