Assa Abloy SARGENT 351 Series User manual

A7341B
Copyright © 2007, 2008, 2020, Sargent Manufacturing Company, an ASSA ABLOY
Group company. All rights reserved. Reproduction in whole or in part without the
express written permission of Sargent Manufacturing Company is prohibited.
1-800-438-1951 • www.sargentlock.com
Hold Open Arm Models
351 Series
Non Handed Door Closer
Standard Mount
Top Jamb Mount
Parallel Arm Mount
25-H
25-HZ
25-HZA
25-PH9
Adjustable (Sizes 1-6)
RH
Ce produit peut vous exposer au plomb qui, dans l’état de la Californie,
est reconnu pour causer le cancer, des anomalies congénitales ou d’autres
problèmes de reproduction. Pour plus d’informations, visitez:
www.P65warnings.ca.gov.
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
Standard Mount
Closer mounts on hinge side of door
Top Jamb Mount
Closer mounts on frame of stop side of door
Parallel Arm Mount
Closer mounts on stop side of door
Legacy Friction Hold Open Arm
Right Hand Door - RH
Left Hand Door - LH
Right Hand Door - RHLeft Hand Door - LH
Note: Legacy FHO
arm has installation
orientation.
See 80-9300-0005-000,
available online.
Foot Bracket
Used with PH9
Parallel Arm Only
Right Hand Door - RH Left Hand Door - LH
Foot
Assembly
Main Arm &
Swivel Assembly
Swivel Arm
Screw
Foot
Dial
Dial Screw Arm
Mounting
Screw
Included Components
(See page 2 for mounting hardware)
H8 Mortise Friction Hold Open Arm
Note: H8 arm is handed same as door.
See template A7233, available online.
PH4 Friction Hold Open Arm
Note: PH4 parallel arm is used for
ush frame applications.
See template A7229, available online.
Screw
Pack
1/8" Hex
Wrench
To Determine Your Hand of Door:
To Identify Your Closer:
TO DETERMINE
HAND OF
YOUR DOOR:
LEFT
HAND
DOOR
RIGHT
HAND
DOOR
Right Hand
Reverse
Left Hand
Reverse
Tools Needed
Model ID:
+ = optional DA
Manufacture Date:
Week / Year
351 Case
Plastic or
Metal Cover
Removable
Insert
Approved 2020-01-21

2
A7341B
Copyright © 2007, 2008, 2020 SARGENT Manufacturing Company, an ASSA ABLOY
Group company. All rights reserved. Reproduction in whole or in part without the
express written permission of SARGENT Manufacturing Company is prohibited.
1-800-438-1951 • www.sargentlock.com
• For special applications, a separate door and frame
preparation template is packed with these instructions. Use
this instruction sheet for installation sequence and closer
adjustments only.
• Doors should be hung on ball bearing or anti-friction hinges.
• A separate door stop is recommended.
• Always consult door/frame manufacturer for fastener compatibility.
• Door and frame must be properly reinforced.
• Adjust closing time speed between 3 and 6 seconds from 90°
to Close. Greater closing times may be required for elderly or
handicapped.
• DO NOT install closer on exposed side (weather side) of exterior
doors. Warranty will be void.
• Dimensions are given in inches (millimeters).
ATTENTION:
An incorrectly installed or improperly adjusted door closer can
cause property damage or personal injury. These installation
instructions should be followed to avoid the possibility of
misapplication or misadjustment.
351 Hold Open Closer
*Mounting Hardware Door or Frame Drill
Case, Foot or Optional PH9 Bracket:
#12 x 1-1/2 Phillips Flat Head Self Drilling
Tapping Screw Wood 3/32" (2.38mm)
Case, Foot or Optional PH9 Bracket:
#12 x 1-1/2 Phillips Flat Head Wood Screw
Case, Foot or Optional PH9 Bracket:
#12-24 x 5/8 Phillips Flat Head Machine
Screw
Metal Drill #16 (.177)
Tap 12-24
Case and/or Foot:
Mortise Nut
(optional)
Hollow Metal 1/4" (6.00mm) thru
3/8" (9.50mm) door face opposite to closer
Aluminum or Wood 3/8" (9.50mm) thru
Accessories
Mortise Nut and Screw Detail
Top jamb application: Door closer foot will be attached to the
door in a manner similar to that shown for mounting the case.
Appropriate mortise nuts and screws will be supplied based on
door thickness.
Door construction must provide a bridge type reinforcement to
prevent the door rail from collapsing when screws are tightened.
If distance between door stop and center of mortise nut head is
less than 7/8" (22mm), stop must be cut to clear head or head
must be recessed (shown).
* Security Torx screws supplied upon request, not shown
351A Mounting Plate
Allows mounting onto a door
with a minimum top rail of 2-3/8"
(60) or top jamb with 1-3/4" (44)
minimum frame clearance
351B Mounting Plate
Top Jamb Mount
For low ceiling conditions or
minimum 1-15/16" (49) frame face
351D Drop Plate
Parallel Arm Mount
For narrow top rail conditions
3" (76) minimum top rail required
Approved 2020-01-21

3
A7341B
Copyright © 2007, 2008, 2020, SARGENT Manufacturing Company, an ASSA ABLOY
Group company. All rights reserved. Reproduction in whole or in part without the
express written permission of SARGENT Manufacturing Company is prohibited.
1-800-438-1951 • www.sargentlock.com
1. Prepare door and frame.
3a. Remove dial
from foot.
4. Connect arms, preload spring
and tighten screw.
3b. Install separate arms.
You’ve installed the 351 Hold Open Closer - Standard Mount.
🛑 Go to page 7 for closer adjustments and cover installation.
Dial DOWN
Left and Right Hand
RH and LH:
Position index at 2
1st
2nd
3rd
1st
3rd 2nd
Rotate elbow until
Foot Assembly arm
is perpendicular to
frame.
Rotating Main arm
preloads closer
spring power.
RH:
Clockwise
to tighten.
LH: Counter
clockwise to
tighten.
1st
3rd
2nd
5. Set Hold Open. Keep door open in position
until dial screw secures dial.
Arm Type Mounting Max Door
Opening **Dim A **Dim B
H
Holder
Standard 110° 9-1/2"
(241)
12-3/4"
(324)
Alternate *160° 6-1/2"
(165)
9-3/4"
(248)
NOTES:
1. IMPORTANT: Use Alternate mounting if door can open
beyond limits shown for standard mounting.
2. *If butt, frame, and wall conditions permit, door will open
180°.
3. ** Dimension is taken from hinge edge of door for
invisible hinges. Butt, offset, swing clear, center hung or
invisible hinges.
4. Use screws provided or use mortise nuts when required.
See chart on page 2.
2. Mount case to door.
Secure arms
with Swivel
Arm Screw.
LH and RH:
Spring Adjustment Screw AWAY from hinge
Closer is stamped RH at top for right hand
doors and LH at top for left hand doors.
351 Standard Mount - H Arm Installation
(Right Hand Shown)
Approved 2020-01-21

4
A7341B
Copyright © 2007, 2008, 2020 SARGENT Manufacturing Company, an ASSA ABLOY
Group company. All rights reserved. Reproduction in whole or in part without the
express written permission of SARGENT Manufacturing Company is prohibited.
1-800-438-1951 • www.sargentlock.com
1. Prepare door and frame.
3a. Remove dial
from foot.
3b. Install separate arms.
You’ve now installed the 351 Hold Open Closer - Top Jamb Mount.
🛑 Go to page 7 for closer adjustments and cover installation.
Dial DOWN
Left and Right
Hand
RH and LH:
Position index at 2
5. Set Hold Open.
1st
3rd
Rotating Main
arm preloads
closer spring
power.
Keep door open in position
until dial screw secures dial.
3rd
1st
3rd
1st
2nd
RH:
Clockwise
to tighten.
LH: Counter
clockwise to
tighten.
2nd
4. Connect arms, preload spring
and tighten screw.
Arm Type Reveal
Depth
**Door
Opening
H Arm 0" to 2"
(0 to 51) 140°
HZ Arm 2-1/8" to 5"
(54 to 127) 140°
HZA Arm 5-1/8" to 8"
(130 to 203) 140°
NOTES:
1. * Dimension is taken from hinge edge of door for invisible hinges.
2. ** Door opening to 180° is possible if depth of reveal is not greater
than 2" (51).
3. 351A Mounting Plate required for double rabbeted frame.
4. Use screws provided or use mortise nuts when required. See chart on
page 2.
2. Mount case to frame. Use
Mounting Plate if necessary.
Secure arms
with Swivel
Arm Screw.
LH and RH:
Spring Adjustment Screw
AWAY from hinge
Closer is stamped RH at top
for right hand doors and LH
at top for left hand doors.
351 Top Jamb Mount - H, HZ, HZA Arm Installation
(Right Hand Shown)
2nd
Rotate elbow until
Foot Assembly arm
is perpendicular to
frame.
Approved 2020-01-21

5
A7341B
Copyright © 2007, 2008, 2020, SARGENT Manufacturing Company, an ASSA ABLOY
Group company. All rights reserved. Reproduction in whole or in part without the
express written permission of SARGENT Manufacturing Company is prohibited.
1-800-438-1951 • www.sargentlock.com
1. Prepare door and frame.
Max Door
Opening **Dim A **Dim B
120° 9-7/8"
(251)
10-1/4"
(260)
*180° 7"
(178)
7-3/8"
(187)
NOTES:
1. *Do not use this mounting for swing clear hinges.
2. ** Dimension is taken from hinge edge of door for
invisible hinges.
3. Use screws provided or use mortise nuts when
required. See chart on page 2.
LH and RH:
Spring Adjustment Screw
AWAY from hinge
Closer is stamped RH at top
for right hand doors and LH
at top for left hand doors.
5. Install foot assembly to foot bracket
and case to door.
Dial DOWN
Left and Right Hand
3. Remove dial
from foot.
2. Close latching speed and
closing speed valves.
4. Install foot bracket to frame stop.
IMPORTANT
Latching
Speed
Closing
Speed
351 Parallel Arm Mount - PH9 Arm Installation
(Right Hand Shown)
6. Rotate bottom case spindle.
Wrench or main
arm may be used
to rotate spindle.
Approved 2020-01-21

6
A7341B
Copyright © 2007, 2008, 2020 SARGENT Manufacturing Company, an ASSA ABLOY
Group company. All rights reserved. Reproduction in whole or in part without the
express written permission of SARGENT Manufacturing Company is prohibited.
1-800-438-1951 • www.sargentlock.com
You’ve now installed the 351 Hold Open Closer - Parallel Arm Mount.
🛑 Go to page 7 for closer adjustments and cover installation.
Closer will not operate
properly if main arm is
not indexed correctly.
8. Open latching speed and closing speed valves.
9. Connect arms, preload spring and
tighten swivel arm screw.
10. Set Hold Open.
Do not completely
open valves. Valves
will leak.
Arm under tension.
Keep ngers away
from moving parts.
1st
2nd
3rd
4th
Rotating arm
preloads closer
spring power.
Keep door open in position
until dial screw secures dial.
1st
3rd3rd
2nd
RH:
Clockwise
to tighten.
LH: Counter
clockwise to
tighten.
2nd
1st
1st
2nd
RH: Position
index mark at 3
LH: Position index
mark at 1
Latching
Speed
Closing
Speed
351 Parallel Arm Mount - PH9 Arm Installation continued
(Right Hand Shown)
7. Attach Main arm as shown.
Approved 2020-01-21

7
A7341B
Copyright © 2007, 2008, 2020, SARGENT Manufacturing Company, an ASSA ABLOY
Group company. All rights reserved. Reproduction in whole or in part without the
express written permission of SARGENT Manufacturing Company is prohibited.
1-800-438-1951 • www.sargentlock.com
Use provided 1/8" hex wrench to turn valves.
NEVER force valves out of closer.
NEVER completely close backcheck valve.
NEVER use backcheck as a door stop.
Closer Adjustments
Do not over tighten
cover screws.
Cover Attachment
Place removable
insert in unused
cover opening.
351 Hold Open Closer
Latching Speed
Backcheck
Closing
Speed
Delayed Action,
Optional
Number of Spring Power Nut Turns From Factory Setting
(Use as Guide ONLY)
Door Width Exterior Interior
Std/Top Jamb Parallel Std/Top Jamb Parallel
24" Factory Set 2-6 CW
1-5 CCW 1-5 CCW
30" 1-4 CW
32" 6-8 CW
36" 4-7 CW
40"
8-11 CW Factory Set 42" 7-10 CW Factory Set
44"
1-7 CW46" 10-12 CW 11-13 CW 1-5 CW
48"
over 48" up to 18 CW 5 CW & up 8 CW & up
Standard Mount shown
Parallel Arm Mount similar
Door must be open to adjust spring closing power.
Use 5/8" wrench or socket to turn screw. Refer to
chart. Do not use a power drill. Warranty will be
void.
Adjust closing time speed between 3 and 6 seconds
from 90° to Close. Greater closing times may be
required for elderly or handicapped.
If interior doors do not have to comply with
ADA requirements, exterior door settings are
recommended. Where strong drafts exist,
increase spring power as needed by turning spring
adjustment screw clockwise. If necessary, reduce
spring power by turning screw counter clockwise.
Top Jamb Mount
Insert
Insert
Approved 2020-01-21

A7341B
Copyright © 2007, 2008, 2020, Sargent Manufacturing Company, an ASSA ABLOY Group company. All rights reserved.
Reproduction in whole or in part without the express written permission of Sargent Manufacturing Company is prohibited.
Patent pending and/or patent: www.assaabloydss.com/patents
SARGENT Manufacturing Company
100 Sargent Drive
New Haven, CT 06511 USA
800-727-5477
www.sargentlock.com
Approved 2020-01-21