dormakaba 8900 T/TH Installation Instructions
08280121
09-2019
8900 Surface Applied Closers
7
Adjust spring force
Secure covers
3.3 Adjust spring force
Fig.7
Increase
Decrease
8916 - supplied with a size 4
8956 - supplied with a size 6
8916 ONLY - Barrier free openings:
Take an opening
force reading from the pull on the door. If required,
adjust the spring force to meet the barrier-free
requirement.
•
Decrease force:
turn counter-clockwise; 8 turns max.
•
Increase force:
turn clockwise; 14 turns max.
Depending on opening conditions, a door adjusted to
meet barrier-free forces may not have sufficient power
to reliably close and latch the door.
Track mount
Closer size
Max door
weight (lbs)
Door width
Full turns
Interior
8916
4
125
2’-6”
0
5
150
3’
+4
6
200
3’-6”
+12
8956
6
200
3’6”
0
6+
250
4’
6+
4
Install covers
Fig.8
Snap valve
adjustment
wrench inside
cover.
4.1.1 Place tab in cover slot, opposite main
arm.
4.1.2 Place cover over closer and fasten
securely with screws provided.
LH
