Assa Abloy RIXSON W73 User manual

ISW73 07/21
Model W73 Overhead Concealed Closer
Non-Hold Open and Hold Open
Wood Frame Installation Instructions
Copyright © 2021, ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole or
in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
Phillips
Screwdriver
Level Tape
Measure
Framing
Square
Hex Wrenches Plumb Bob
Grout
5/16" 3/8"
Hammer Drill Spreader
Tool Hammer
Flathead
Screwdriver
3/16"
for Wood
Pencil
1/4-20
#7
for Metal
AND
Drill
Pour la version francaise voir www.nortondoorcontrols.com.
READ AND FOLLOW ALL INSTRUCTIONS. SAVE THESE INSTRUCTIONS.
This product can expose you to lead which is known to the state of
California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65warnings.ca.gov.
WARNING
Slider
(90253)
Optional Hold Open
Assembly (90254)
Closer Body
73 LAP or
PH73 LAP (ADA)
Cover Plate
70202- (nish)
Wood Mounting Clip
(90267)
Wood
Mounting
Clip (90266)
Wood Mounting
Clip (90256)
Arm
70218- (nish)
Track
(90239)
Model W73, Center Pivot Hung
Tools Needed
Non Hold Open
Stop Block
(90255)
Components
(Supplied fasteners shown on page 3)
Pivot Kit
70224KIT- (nish)
Slider Centering
Hub (70219)
Retrot Track Spacer and
Screws, Optional (90260)
Not for new installation. Replacement
only. Consult factory.
INCH
MM
63
X.X
X.XX
X.XXX
ANGLES
FRACTIONS
SURFACE FINISH
UNLESS OTHERWISE
SPECIFIED TOLERANCES
.03
.01
.005
0°30'
1/64
NOTES:
MATERIAL AND MANUFACTURING PROCESS MUST COMPLY WITH 1.
ASSA ABLOY AMERICAS PRODUCT COMPLIANCE SPECIFICATION
DOCUMENT ID# D001117360.
E
B
A
A
B
C
D
8 7 6 5 4
DRAWN BY
matbai
MATERIAL
SEE BOM
V10_7/16/2020
SURFACE/FINISH
THIRD ANGLE
PROJECTION
C
HEAT TREATMENT
DRAWING COMPLIES
WITH ASME Y14.5M - 1994
NOTICE TO PERSONS RECEIVING THIS DRAWING AND/OR
TECHNICAL INFORMATION
The material disclosed herein is the confidential and
proprietary information of
ASSA ABLOY Accessories and Door Controls Group, Inc.
(the “Company”). This drawing and/or technical
information is issued in confidence for engineering
information only and may not be reproduced or used to
manufacture anything, including the items shown or
referred to hereon, without direct written permission from
the Company. This drawing and/or technical information
is the property of the Company and is loaned for mutual
assistance to be returned when its purpose has been
served or upon the request of the Company.
LEGACY ID
SHEET
1
OF
1
Rixson70_OHC_RetroFit
Rixson
CONFIGURATION
D001151786-006
4
8
6 5
DRAWING NUMBER (ALT ID)
VOLUME
2057.621 in³
SURFACE AREA
4464.737 in²
SIZE
C
DATE CREATED
03/11/2021
DESIGNED BY
duslaw
REV
1
SCALE
1:3
DOCUMENT ID
D001151786-006
MASS
0.041 lb
E
F
G
H
7
D
F
G
H
1 2 3
Monroe DC, NC
ASSA ABLOY Accessories and
Door Controls Group, Inc.

Mounting Hardware Door / Frame Drill
Closer, Top Pivot and Bottom Pivot:
#14 x 1-1/2" Wood 3/16" (4.76mm)
Closer, Top Pivot and Bottom Pivot:
1/4-20 x 5/8" Metal Drill #7 (.201 dia. or 5.10mm) Tap 1/4-20
Track:
#14 x 1-1/4" Aluminum or Wood 3/16" (4.76mm)
Track:
1/4-20 x 7/16" Hollow Metal Drill #7 (.201 dia. or 5.10mm) Tap 1/4-20
ISW73 07/21
Copyright © 2021, ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole or
in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
2
Model W73, Wood Frame
Before You Begin:
IMPORTANT:
• The Americans with Disabilities Act (ADA)
requires that doors having door closers have an
opening force not to exceed 5 lbf.
• Door closer’s power size adjustment feature
may require adjustment to its lowest setting to
comply with ADA opening force guidelines.
• ADA compliant closers may not latch doors,
manufacturer does not guarantee latching on
lower opening force settings.
• An improperly installed or incorrectly adjusted door closer may cause property damage or personal injury and
will void product warranty.
• To avoid personal injury, DO NOT DISASSEMBLE THIS DOOR CLOSER BODY.
• Door closers must be securely fastened to a prepared door and frame with fasteners provided.
• HOLD OPEN option not permitted to be installed in re door assemblies.
Contents
Important.............................................................................................. 2
Before You Begin ....................................................................................... 2
Mounting Hardware and Drill Table ..................................................................... 2
Supplied Fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pivot Installation ....................................................................................... 4
Track Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Closer Installation ...................................................................................... 7
Adjustments ........................................................................................... 9
Closer and Pivot, Wood Frame Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
• A separate Rixson Surface Checkmate®or
other door stop, supplied by others, is strongly
recommended to avoid damage to door closer
in heavy abuse applications.
• Top pivot must be plumb with bottom pivot
and door must swing freely before door closer
is installed.
• Door and frame must be reinforced for
attaching screws.
• All dimensions are given in inches (millimeters).

ISW73 07/21
Copyright © 2021, ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole or
in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
3
Model W73, Wood Frame
Supplied Fasteners
Closer Screw Pack
(90241)
Closer Track Screw Kit
(90242)
Arm Screw Pack
(70251-nish)
Bottom Pivot Screw Pack
(70243)
Top Pivot Screw Pack
(70242-nish)
Cover Plate Screw Pack
(90278-nish)
5x
1/4-20 x 5/8"
PFHMS
Pivot
5x
#14 x 1-1/2"
PFHWS
Pivot
4x
1/4-20 x 5/8"
PFHMS
Pivot
4x
#14 x 1-1/2"
PFHWS
Pivot
1x
3/8-16 Female
Threaded
Drop-in Anchor
1x
3/8-16 x 2-1/4"
SHCS
Base Plate
2x
8-32 x 1/4"
PFHUCMS
Finish Plate
6x
6-32 x 1/4"
PFHMS
Cover
4x
1/4-20 x 5/8"
PFHMS
Closer Body
2x
10-24 x 3/8"
SHSS
Arm Attach
4x
1/4-20 x 7/16"
PFHUCMS
Track
4x
#14 x 1-1/4"
PFHWS
Track
1x
10-24 x 1-1/2"
SHCS
Arm Clamp
2x
1/4-20 x 1/2"
PFHMS
Arm Attach
4x
#14 x 1-1/2"
PFHWS
Closer Body
5/32"
Hex
Wrench
3/32"
Hex
Wrench
1/8"
Hex
Wrench
3/16"
Hex
Wrench
1x
Conical
Washer
Arm Attach

ISW73 07/21
Copyright © 2021, ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole or
in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
4
Model W73, Wood Frame
A. Prepare frame and door.
1. Using supplied templates, prepare and
mortise door and head jamb for pivot set.
(Figure 1)
2. Conrm all cutout dimensions for closer.
Installation
B. Install wood mounting clips.
1. Drill pilot holes into frame.
2. Install clips with four (4) #14 x 1-1/2"
wood screws. (Figure 2)
C. Install top pivot set.
1. Install jamb portion in prepared frame with one
(1) #14 x 1-1/2" wood screw into frame and one
(1) 1/4-20 x 5/8" machine screw into mounting
clip. (Figure 3)
2. Install door portion in prepared door with
three (3) #14 x 1-1/2" wood screws or 1/4-20 x
5/8" machine screws. (Figure 3)
3. Attach nish plate to jamb portion with two (2)
8-32 x 1/4" machine screws. (Figure 3)
Top Pivot
Pivot Point
Finish Plate
Door Portion
Jamb Portion
Top of Door
Wood Frame
Bottom of Door
Figure 1
Figure 3
Figure 2

ISW73 07/21
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in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
5
Model W73, Wood Frame
Figure 4 Bottom Pivot
Base Plate
Drop-in Anchor
(Installed In Floor)
Base Plate Screw
Door Portion
(Installed in
Mortised Door)
D. Install bottom pivot set.
Pivot Point
OR
Figure 5
IMPORTANT: Pivot point of bottom pivot must be
plumb with top pivot point. Be sure to properly locate
and mark pivot center point of bottom base plate.
1. Install door portion into prepared door with four (4)
1/4-20 x 5/8" machine screws or #14 x 1-1/2" wood
screws. (Figure 4)
NOTE: Depth of mortise in door bottom will
determine clearance.
2. Using a plumb bob attached to top pivot, locate and
mark position of base plate on oor.
3. Drill 3/4" dia. x 1-3/4" (19 x 44mm) deep hole in oor
on center of pivot point for base plate mounting.
IMPORTANT: It is critical to door alignment and
proper frame clearance that this anchor hole is
positioned within 1/32" of true plumb alignment
with the top jamb portion pivot point.
4. With open side up, place drop-in anchor into oor
hole. If necessary, tap lightly with hammer until
anchor is at bottom of hole.
NOTE: Clean all concrete dust from hole before
installing drop-in anchor.
5. Set anchor by striking spreader tool with hammer
until the sleeve of the anchor is fully expanded.
(Figure 5)
6. Insert provided base plate screw into anchor to plug
opening.
NOTE: Apply grease to base plate screw to prevent
grout from sticking to screw and to facilitate
removal.
7. Grout anchor into place. After grout has set, remove
base plate screw.
8. Place base plate over anchor and securely fasten to
oor with base plate screw.
9. If using a threshold, install it at this time.
Installation

ISW73 07/21
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in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
6
Model W73, Wood Frame
Figure 7
F. Assemble track.
1. Slide track components into track.
(Figure 11)
NOTE:
• All track components must be placed in
track before installing track into door.
• Insert slider into track rst.
• Stop block (or optional hold open) should
be last component at hinge side of door.
• The longer end of slider should be pointed
towards hinge side of door.
Figure 6
Non Hold Open Track Components
Optional Hold Open Track Components
E. Hang door.
1. Ensure pivot stud is fully retracted into pivot
by turning pivot adjustment screw counter
clockwise with a athead screwdriver. (Figure 6)
2. With door in open position about 90° to jamb,
carefully t door onto bottom pivot at a slight
angle. (Figure 7)
3. Tip door into vertical position aligning frame
portion pivot stud to door portion hole.
(Figure 8)
4. With top pivot stud aligned with door portion
hole, use a athead screwdriver to turn pivot
adjustment screw clockwise to extend pivot
stud into door pivot portion. (Figure 9)
IMPORTANT: Fully tighten adjustment screw to
ensure pivot stud is fully extended into door
portion. There is a door tipping hazard until
door is held vertical by pivot stud.
5. Verify frame is square by using a framing square.
Gaps between door and frame should be
consistent. Gap should be 1/8" (3mm) at jamb
and header. (Figure 10)
NOTE: Door should swing freely.
• If vertical height adjustment is necessary,
use shims between door bottom and
bottom pivot portion to increase clearance.
• To decrease clearance, increase mortise in
bottom of door.
• To remove door, retract pivot stud and tip
door out of vertical position then lift door
from bottom pivot.
Pivot Stud
Pivot Adjustment
Screw
Slider
Slider
1/8"
()3
CCW
Pivot Adjustment
Screw
CW
Figure 9 Figure 10
Figure 11
Figure 8
Installation

ISW73 07/21
Copyright © 2021, ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole or
in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
7
Model W73, Wood Frame
OR
G. Install track to door.
1. Make sure slider and track
components are installed prior to
installing track to door. See Step F.
2. Install track into top of door using
either four (4) 1/4-20 x 7/16" machine
screws for metal doors or four (4)
#14 x 1-1/4" wood screws for wood
doors. (Figure 12).
NOTE: If necessary, use optional
retrot spacer (replacement
application only, consult factory).
Frame Rabbet
1/4-20 x 5/8 FHPMS
H. Install closer.
1. Install closer into wood mounting
clips with four (4) 1/4-20 x 5/8"
machine screws. (Figure 13)
NOTE: Mounting plate should be
ush with frame rabbet.
I. Install cover plate.
1. Install cover plate to closer body with
six (6) 6-32 x 1/4" machine screws.
(Figure 14)
6-32 FHPMS
(6 each)
Figure 13
Figure 14
1. Attach arm to closer shaft with
1/4-20 x 1/2" machine screw and
washer. Tighten securely. (Figure 15)
NOTE: Ensure countersink recess
side of arm faces down.
2. Insert 10-24 x 1-1/2" socket head cap
screw into arm and clamp arm tightly
to pinion square. (Figure 15)
Optional
Retrot Track
Spacer
1/4-20 x 7/16 FHPMS (4 each)
or 14 x 1-1/4 FHPWS (4 each)
Hinge
Side
Arm Clamp
Screw Arm Screw and
Conical Washer
Countersink
Recess
Figure 15
Figure 12
J. Attach arm to closer.
Installation

ISW73 07/21
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in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
8
Model W73, Wood Frame
Slider
Centering Hub
Slider
Arm Attach
Screw
Adjustment Set Screw
Adjustment
Set Screw
Adjustment
Set Screws
Adjustment Hex Door
Frame
Figure 17
Figure 16
Figure 18 Figure 19
K. Attach arm to track.
1. With provided 1/8" hex wrench, completely
tighten latch and sweep valves by turning
clockwise. This will allow for an easier closer-
to-door connection. (Figure 15)
CAUTION: Arm will be under strong spring force
to return if valves are not tightened completely
closed.
2. Open door to about 45° then rotate arm over
to door.
NOTE:
• With latch and sweep valves tightened,
arm will maintain position.
• If door is opened beyond 45°, backcheck
may need to be adjusted counter
clockwise to easily rotate arm to door
position.
3. Install slider centering hub through arm into
slider. (Figure 16)
NOTE: Countersink recess should face up.
4. Align hub initially as shown and insert two
(2) 10-24 x 3/8" adjustment set screws. Turn
both set screws just enough to retain slider
centering hub. Do not tighten rmly at this
time. (Figure 17)
NOTE: Align square shank of slider with
square in centering hub for proper tment.
5. Insert 1/4-20 x 3/4" at head socket hex screw
and tighten.
6. Open latch and sweep valves to allow door to
close and observe door and frame alignment.
If door is not centered in frame when closed,
reopen door and use 5/16" hex wrench to
rotate slider centering hub until door is
centered. (Figure 18)
NOTE:
DO NOT fully open valves. Valves will leak.
Door should be centered in frame when in
closed position. Adjust slider centering hub
with hex wrench until door and frame are
aligned properly then tighten adjustment
set screws.
7. When door is completely aligned in frame
tighten both adjustment set screws.
Sweep
Latch 1 = Left Hand
Latch 2 = Right Hand
Backcheck
Installation

ISW73 07/21
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in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
9
Model W73, Wood Frame
Adjustments
Latch SpeedBackcheck Sweep Speed
Speed Adjustment
Use provided 1/8" hex wrench to adjust sweep,
latch and backcheck valves to control speed of
door. (Figure 20)
NEVER completely close backcheck valve.
NEVER use backcheck as a dead stop.
NEVER fully open valves. Valves will leak.
Do not use a power drill.
Warranty will be void.
Closing Force Adjustment
If additional force is needed, use 3/8" hex
wrench to adjust closing force. (Figure 21)
Use spring adjustment screw that corresponds
with hand of swing. (Figure 20)
Do not use a power drill.
Warranty will be void.
All 73 Series closers are factory set to minimum
force. Adjust closer as necessary for more force
taking into consideration door size, weight,
positive room pressure, etc.
5° 5°
0°
75°
Figure 20
Figure 21
Spring Power Adjustment for Closing Force
(Closer shipped at lowest setting)
Model PH73DCP Model 73DCP
Closer
Size Description Approx # of 360° Turns
Closer
Size Description Approx # of 360° Turns
ADA <5 lbs
Opening Force 0 1 2 - 3 lbs Closing Force 0
12 - 3 lbs
Closing Force 15 2 3 - 5 lbs Closing Force 15
23 - 5 lbs
Closing Force 30 3 5 -8 lbs Closing Force 35
35 - 8 lbs
Closing Force 50 4 8+ lbs Closing Force 50
Set
Screws
Locking Ta b
Slider
Optional Hold Open Adjustment
1. Insert locking tab of hold open assembly
into track slider. (Figure 22)
NOTE: Hold open assembly should be on
hinge side of track slider.
2. Open door to desired hold open position.
3. Tighten hold open set screws to lock down
hold open assembly. (Figure 22)
4. Pull door in closing direction to disengage
hold open assembly and track slider.
5. Adjust hold open by turning adjustment
screw with provided 3/16" hex wrench.
(Figure 22)
NOTE: THIS FEATURE CANNOT BE USED ON
FIRE-RATED DOORS
You’ve now installed the Model W73 Overhead Concealed Closer.
Figure 22
Holding Force Adjustment Screw

ISW73 07/21
Rixson is a brand associated with ASSA ABLOY Accessories and Door Controls Group, Inc., an ASSA ABLOY Group company.
Copyright © 2021, ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole or in
part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
Rixson Technical Product Support:
Monroe, NC 28112 USA
Phone: [phone] ext: 6030
[e-mail]
rixson.com
Troubleshooting
Symptom Cause Remedy
Door won’t latch
Spring tension not strong enough Increase opening force.
See Adjustments section.
Latch speed control not fast enough Adjust latch speed valve.
See Adjustments section.
Door hung on products other than
center pivots
Send template for hanging means
to factory. A new installation sheet
is required. Closer will need to be
relocated.
Arm is not preloaded See Step I. Attach Arm to Door
Door is too difcult to open Spring tension is set too strong Decrease opening force.
See Adjustments section.

ISW73 07/21
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in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
13
4
"
44mm
67
8
"
175mm
16 7
8
"
429mm
25 3
8
"
645mm
3 4
"
19mm
47
8
"
124mm
21
2
"
64mm
MIN. FRAME WIDTH
57
8
"
149mm
23
4
"
70mm
23
4
"
70mm
19 1
16
"
484mm
33
4
"
95mm
CLOSER CUTOUT WIDTH
WOOD MOUNTING CLIP SHOWN PN 90256
WOOD MOUNTING CLIP SHOWNPN 90267
WOOD MOUNTING CLIP SHOWN PN 90268
23 5
8
"
600mm
11
4
"
32mm
1"
25mm
63
8
"
162mm
16 1
8
"
410mm
21 1
2
"
546mm
13
4
"
44mm
MIN
7X 1/4-20 UNC X 5/8"
OR #14 X 1-1/2"
FOR WOOD
22 1
2
"
572mm
415
16
"
125mm
C
L
OF PIVOT, TRACK AND DOOR
A
73
8
"
187mm
17 1
4
"
438mm
3 8
"
10mm
ARM CUTOUT BOTH SIDES
DOOR
BOTTOM OF DOOR MORTISE
15
8
"
41mm
CLOSER HEIGHT
A
41
2
"
114mm
MIN. WIDTH
21
2
"
64mm
MIN.
1 8
"
3mm
DOOR TO FRAME
CLEARANCE
CLOSER
OPTIONAL RETRO TRACK SPACER
NOTES:
1/8" DOOR TO SOFFIT CLEARANCE REQUIRED.
1.
REINFORCING PER ANSI/SDI-100
2.
RECOMMENDED FOR HOLLOW METAL DOORS. AUXILIARY STOP RECOMMENDED.
3.
DO NOT SCALE DRAWING
4.
RECOMMENDED WOOD FRAME 4-1/2" X 2-1/2"
5.
C
PRODUCT:
TEMPLATE NUMBER:
DATE:
W73 OHC CLOSER
OC70202
07/2021
MODEL W73 OVERHEAD CONCEALED CLOSER AND CENTER PIVOT, WOOD FRAME
MAX. DEGREE OF OPENING W73 NON HOLD OPEN (95
)
W73 NON HOLD OPEN WITH TRACK STOP (95
)
W73 HOLD OPEN (95
)
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Copyright 2020 ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole or in
part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
"A" Dimension
Standard Appilcation
1" - 1/8" (28.5)
Retrofit Track Option
1" - 7/16" (36.5)
Model W73 Overhead Concealed Closer Template
Center Pivot Set
Wood Frame

ISW73 07/21
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in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
1 4
"
6mm
11
4
"
32mm
35
8
"
92mm
3 8
"
10mm
15
8
"
41mm
3 4
"
19mm
5 8
"
16mm
1"
25mm
41
2
"
114mm
11
4
"
32mm
13
4
"
44mm
MIN
415
16
"
125mm
15
8
"
41mm
5 8
"
16mm
25
8
"
67mm
45
8
"
117mm
TOP PIVOT DOOR PORTION
C
L
OF PIVOT, TRACK AND DOOR
3X 1/4-20 UNC X 5/8" OR #14 X 1-1/2" FOR WOOD
1 2
"
13mm
11
4
"
32mm
13 16
"
21mm
5"
127mm
5
16
"
8mm
415
16
"
125mm
A
DOOR
BOTTOM PIVOT DOOR PORTION
3X
5
16
"
8mm
15
8
"
41mm
27
8
"
73mm
41
8
"
105mm
53
8
"
137mm
4X 1/4-20 UNC X 5/8" OR #14 X 1-1/2" FOR WOOD
1 8
"
3mm
213
16
"
71mm
DETAIL A
SCALE 1 : 2
NOTES:
1/8" DOOR TO SOFFIT CLEARANCE REQUIRED.
1.
REINFORCING PER ANSI/SDI-100
2.
RECOMMENDED FOR HOLLOW METAL DOORS. AUXILIARY STOP RECOMMENDED.
3.
DO NOT SCALE DRAWING
4.
C
PRODUCT:
TEMPLATE NUMBER:
DATE:
W73 OHC CLOSER
OC70202
07/2021
MODEL W73 OVERHEAD CONCEALED CLOSER AND CENTER PIVOT, WOOD FRAME
MAX. DEGREE OF OPENING W73 NON HOLD OPEN (95
)
W73 NON HOLD OPEN WITH TRACK STOP (95
)
W73 HOLD OPEN (95
)
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Model W73 Overhead Concealed Closer Template
Center Pivot Set
Wood Frame