dormakaba 1856 HT SD, 1856 SFT SD Installation Instructions
08220880
03-2020
1800 Closer
9
Adjustments: closing speeds
Adjustments: hold open
Be sure closer has appropriate spring
power prior to making any closer speed
adjustments.
Door should close in 3 to 6 seconds from
90 degrees.
Do not back valves out beyond closer
casting surface.
Check closing sweep (S) and latch (L) speed; adjust
as necessary.
Backcheck position will advance approximately 15
degrees by placing position valve in the “on” position
(fully clockwise).
Check delay action (DA) function if supplied.
Ball bearing hinges or pivots should always be used.
3
Adjustments
3.1 Adjust closing speeds: sweep, latch, backcheck, delayed actions
Fig.8
3.2 Set the hold open
Fig.9
3.2.1 Open the door to factory preset hold open
position at 90 degree approximately.
3.2.2 Loosen cam screw so the cam moves freely. (Fig.
1)
3.2.3 Move door to the required hold open position.
3.2.4 Turn cam so that the cam lobe is resting against
the roller in the plunger. Tighten cam screw
securely. (Fig. 2)
CAUTION: Be sure cam teeth mesh with mating
part
Closer size
Max door
weight (lbs)
Door width
Full turns
Interior
Exterior
2
100
2'6"
---
-6
3
125
3'
2’6”
0
4
150
3'6"
3’
+8
5
200
4'
3’6”
+16
6
250
---
4’
+24
