Dorex 1901 Series Installation Instructions

1901-CSA, 1901-CSANHO
CUSHION STOP ARM (WITH / WITHOUT HOLD OPEN)
1

DOOR CLOSER INSTALLATION

Select required door opening angle, then the mark the four (4) door closer mounting
holes center locations using measurements from the table. Mark the five (5) hole
locations on the inside frame (soffit) to mount the parallel bracket. Pre-drill 7/32"
holes for wood screws or drill and tap for 1/4-20 for machine screws.
Metal
#7
1/4-20
3/8
( )
9.5
C L
Hinge or Pivot
6-
15/16
(176)
POWER
ADJUSTMENT
A
2

PARALLEL BRACKET CUSHION STOP CONFIGURATION

Configure the arm stop based on door closer installation (see Step 3) as indicated BEFORE installing bracket to the frame (see Step 4).
FOR RIGHT HAND
REVERSED (RHR)
INSTALLATION
Insert ARM STOP into
hole as shown.
3

DOOR CLOSER MOUNTING

Speed adjusting valves must be positioned away from the
hinges side of the door.
Screws (a) or (b)
x 4
RIGHT HAND
REVERSED (RHR)
Wood
Incorrect installation or adjustment could
cause damage or injury.
Read and follow instructions carefully.
"
7/32
Dimensions
3
-3/8
(86)
2
-1/8
(54)
Left hand door shown,
reverse measurements for
Right hand door application.
11
-1/8
(282.6)
For correct door closer operation, the door closer and parallel arm must be level through out the full door opening.
If not, the misaligned part will be subject to bending, distortion and friction that will affect the door closer operation and usefull life.
BRACKET
ARM
FILLER
STOP
⒠
PLUG
Screws (a) or (b)
x 4
On Fire Doors use
machine screws (a)
with sexnut (i)
Inches
(mm)
3/4
3/4
(19)
(19)
Right hand door shown,
reverse measurements for
Left hand door application.
2
-3/4
(70)
9/16
9/16
(14.3)
(14.3)
9/16
9/16
(14.3)
(14.3)
FOR LEFT HAND
REVERSED (LHR)
INSTALLATION
LEFT HAND
REVERSED (LHR)
Installation Instructions
DOOR OPENING
85°
90°
100°
110°
3
-3/8
(86)
3/8
2
-1/8
( )
9.5
(54)
6-
15/16
(176)
POWER
ADJUSTMENT
11
-1/8
(282.6)
BRACKET
ARM
FILLER
⒠ STOP
PLUG
Insert ARM STOP into
hole as shown.
MOUNTING HARDWARE
Screw Pack(Cush Arm)
Machine 4
⒜ ⒝
Machine 1
⒟
⒞
⒠ ⒡
Filler Plug
1
Spacer Block
(g)
(i) Through bolt sex nut
DIMENSION A
3-15/16 (100)
3-3/8 (86)
2-1/2 (64)
1-3/4 (44)
C L
Hinge or Pivot
A
Wood 4
Wood 1
1
1
(h)
1
4
1901-CSA-INST 2020/09 1/2