69
ED50
08-2018
DL4614-140
dormakaba ED50 OHC Installation Instructions
Chapter 30
30.2 Prepare top of door for overhead arm
3.819”
1.73”
1.73”
1.73”
2 X Ø .38”
2 X .281”
.50”
.53”
.75”
10.62”
R .38”
.32”
.88”
Ø 1.25”
.63”
4.45”
Fig. 30.2.3 Overhead center hung arm dimensions
Fig. 30.2.1 Overhead center hung arm
DC4625-010
30.2.1 Prepare door for overhead arm.
1. Mortise top of door for overhead arm using
dimensions referenced in Fig. 30.2.2 and 30.2.3.
2. Drill four holes for selected 1/4" hex head bolts.
Fig. 30.2.2 Door mortise for overhead center hung arm; LH inswing or RH outswing example
Door mortise for arm
6 7/16”
1 3/8”
1 3/4”
1 3/4”
1 3/4”
CL
Arm installed in door reference view.
See Chapter 28 for arm installation
into drive axle.
A
A - A
No scale
12 7/8”
#7 drill bit for
1/4-20
A
A
Door mortise for arm
1 3/8”
5/8”
CL
Top of door
3 3/4”
Edge of jamb
CL
Reference dimension
