dormakaba 8900 IS, ISJ, ISH, ISJH Installation Instructions
08279911
09-2019
8900 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 3 to 6 seconds from 90º.
Maximum opening angle is 110º.
Do not close valves completely.
4.1 Adjust closing speeds: sweep, latch, backcheck, delayed action
Fig.6
4.1.1
Adjust sweep speed for the area from 70° - 10°.
•
Increase sweep speed: Turn valve counter-clockwise
•
Decrease sweep speed: Turn valve clockwise
4.1.2
Adjust latch speed from 10° - 0°.
•
Increase latch speed: Turn valve counter-clockwise
•
Decrease latch speed: Turn valve clockwise
4.1.3
Adjust backcheck for the area from 110° - 70°.
•
Increase resistance: Turn valve clockwise
•
Decrease resistance: Turn valve counter-clockwise.
4.1.4
Adjusting Backcheck positioning will advance
approximately 15° in the “ON” position. Shipped from
factory fully “ON”.
•
Turn OFF: Rotate counter-clockwise
•
Turn ON: Rotate clockwise
4.1.5
Adjust Delayed Action for the are from 75° - 110°.
•
Increase delay: Turn valve counter-clockwise
•
Decrease delay: Turn valve clockwise
4.2.1
Enabling or disabling hold open.
•
Twist hold open handle up or down to loosne or
tighten, respectively, the hold open capacity.
4.2.2
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.
4.2 Adjust optional hold open
Fig.7
Sweep
Latch
Backcheck
Backcheck
positioning
Delay
Sweep
Latch
Backcheck
Delayed
action
110°
7°
70°
75°
