Dorex 1701 User manual

1DOOR OPENING DIMENSION A
85° 6-13/16 (173)
90° 6-3/16 (157)
4-15/16 (126)
100°
4-1/16 (103)
110°
Hin
g
e or Pivot
3-3/8
3/8
(9.5)
3/4
(19)
#7
7/32″
1/4-20
Metal Wood
2-1/8
(54)
(112)
(76)
(230)
(86) (86)
2-1/8
(54)
Hin
g
e or Pivot
3-3/8
Dimensions
POWER ADJ. &
BACKCHECK ADJ.
A
POWER ADJ. &
BACKCHECK ADJ.
9-1/16
(230)
9-1/16
3
4-7/16
(112)
4-7/16
3/4
(19)
Inches
(mm)
3/4
(19)
3/8
(9.5)
DOOR CLOSER INSTALLATION
3DOOR CLOSER MOUNTING
HINGES SIDE
HINGES SIDE
On Fire Doors use
machine screws (a)
with sexnut (i)
Screws (a) or (b)
x 4
Screws (a) or (b)
x 4
RIGHT HAND
REVERSED (RHR)
LEFT HAND
REVERSED (LHR)
Speed adjusting valves must be positioned away from the
hinges side of the door.
C
L
C
L
Installation Instructions
WITH 1901-CSA, 1901-CSANHO, 1901-SCSANHO
CUSHION STOP ARM (WITH / WITHOUT HOLD OPEN)
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.
Incorrect installation or adjustment could
cause damage or injury.
Read and follow instructions carefully.
Left hand door shown,
reverse measurements for
Right hand door application.
Right hand door shown,
reverse measurements for
Left hand door application.
1901-CSA-1701-INST 2023/07 1/2
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.
2PARALLEL 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).
A
RHR LHR
Configure the arm stop based on door closer installation (see Step 3) as indicated BEFORE installing bracket to the frame (see Step 4).
Insert ARM STOP into
hole as shown.
BRACKET
(e)
FOR RIGHT HAND
REVERSED (RHR)
INSTALLATION
FOR LEFT HAND
REVERSED (LHR)
INSTALLATION
FILLER
PLUG
Insert SPRING STOP
into hole as shown.
Insert SPRING STOP
into hole as shown.
⁵⁄32" OR 4 mm
Hex key
Insert ARM STOP into
hole as shown.
BRACKET
(e)
FILLER
PLUG
⁵⁄32" OR 4 mm
Hex key
Screw Pack
(
Cush Arm
)
Machine 4
1
Wood 4
Wood 1
Machine 1
Filler Plug 1
Spacer Block 1
(g) (h) 1
MOUNTING HARDWARE
(a) (b)
(c) (d)
(e) (f)

COVER INSTALLATION
Install cover and attach with supplied screw.
7
FREE
HOLD
HOLD-OPEN (STOP) ENGAGEMENT
PARALLEL
BRACKET
FOREARM
HOLD OPEN CONTROL
HANDLE (HOLD OPEN POSITION)
ARM SCREW (f)
MAIN ARM
5
DOOR CLOSER ADJUSTMENT
6
POWER ADJUSTMENT CHART
(- )
TURN CLOCKWISE
TO INCREASE POWER
(+)
Use 5/32" (4 mm)
Hex Key
OPENING CYCLE CLOSING CYCLE
DECREASE
INCREASE
FASTER
SLOWER
Power Adjusting Screw
Rotate
45°
45°
EXTERIOR
(SWING OUT)
INTERIOR
*
2
3
4
5
1
0 (PRESET)
+ 6
- 4
- 8
+ 14 48" (1.22 m) 42" (1.07 m)
42" (1.07m) 36" (0.91 m)
36" (0.91 m)
32" (0.81 m)
32" (0.81 m)
30" (0.76 m)
Preload
Start with wrench
at this angle
TURN COUNTER-CLOCKWISE
TO DECREASE POWER
S
W
E
E
P
O
P
E
N
I
N
G
B
A
C
K
C
H
E
C
K
L
A
T
C
H
60 - 90 LBS
27 - 41 KG
33 - 65 LBS
15 - 30 KG
85 - 140 LBS
38 - 63 KG
125 - 190 LBS
57- 86 KG
175 - 265 LBS
80 - 120 KG
ARM MOUNTING AND PRELOAD
8
1901-CSA-1701-INST 2023/07 2/2
Installation Instructions
WITH 1901-CSA, 1901-CSANHO, 1901-SCSANHO
CUSHION STOP ARM (WITH / WITHOUT HOLD OPEN)
PARALLEL BRACKET INSTALLATION
Screws (a) or (b)
Screws (c) or (d)
Spacer Block (g)
4
Use wrench at lower shaft, rotate shaft 45° towards
the hinge side of the door as shown below, then
install arm on top shaft and secure with screw (f).
Hinge
Side
DOOR CLOSER
SIZE / POWER
REQUIRED
No. OF FULL TURNS
OF POWER ADJUSTING
SCREW REQUIRED
MAXIMUM
DOOR
WEIGHT
MAXIMUM DOOR LEAF SIZE
—
5 lbs
Opening
* Due to parallel installation, when adjusted to maximum power (Size 5),
the actual door closing force will be reduced to the equivalent of Size 4.
CAUTION! Do not turn speed adjustment valves more than
four (4) full turns counter clockwise from the fully closed
position or an oil leak will result.
A quarter turn on the HOLD-OPEN CONTROL HANDLE engages or
disengages hold-open. If handle does not engage properly, check and
correct the parallel arm level.
Backcheck
Adjusment
Valve
1
2
Latch
Adjusment
Valve
Sweep
Adjusment
Valve
COVER
CAP
COVER
SCREW (h)
CLOSER
Install lower
pinion cap.
RHR LHR
LEFT HAND OR
RIGHT HAND REVERSED
(RHR) INSTALLATION
RIGHT HAND OR
LEFT HAND REVERSED
(LHR) INSTALLATION
FOR SPEED CONTROL ADJUSTMENTS REFER TO THE CONTROL
ADJUSTMENTS SUPPLIED WITH THE DOOR CLOSER