Sargent Instructions For Installing 351 Series Door Closers With PS & PSH Holder Arms A7343G Low Res

User Manual: Sargent Instructions for Installing 351 Series Door Closers with PS & PSH Holder Arms Instruction Sheets

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351 Door Closers with PS/PSH Arms
Installation Instructions
351 SERIES ADJUSTABLE FROM SIZE 1 THRU 6
CAUTION: FAILURE TO INSTALL OR ADJUST PROPERLY MAY RESULT IN INJURY OR DAMAGE

For assistance, contact SARGENT at 800-727-5477 or www.sargentlock.com

1

Determine maximum degree of door opening or hold open (PSH) required. Drill and tap door and frame for #12-24
machine screws. When using self-tapping screws provided, predrill with 3/32" drill.

		

DEGREE OF DOOR OPENING AT “HOLD OPEN” n

		
85°
DIM. “A” 10-9/16"
DIM. “B” 11-5/16"

90°
9-7/8"
10-5/8"

95°
9-3/16"
9-15/16"

100°
8-5/8"
9-3/8"

105°
8-1/8"
8-7/8"

110°
7-5/8"
8-3/8"

2-5/8" (From stop)

n Dimensions for given degree based on 4-1/2" butts. If 3-1/2" or 6" hinge is
used, hold open angle will change by less than 1/2°.

B

2-1/2"

Dead stop occurs 3° beyond hold open.

C
L
OF
HINGE

9"

C
L OF
HINGE

A

Pull Side

Pull Side

Push Side
Push Side
Left Hand Door
Right Hand Door
Closers are Non-Handed

13/16"

1-7/8"
+

5/16"

or
IMPORTANT NOTICE
PRE-DRILL 3/32"
HOLES FOR SELFTAPPING SCREWS
OR TAP #12-24 FOR
MACHINE SCREWS

2

3-1/16"

2-11/16"

Install stop with 1/4" hex wrench to match hand of door.
Turn stop counterclockwise until seated very tight.
1/4" HEX
WRENCH

13/16"
1-15/16"

3-7/8"

Install door closer to door with spring adjustment nut away
from hinge.
Right Hand Door
Shown

SPRING
ADJUSTMENT
NUT

3A

PLUG

3B

STOP

Mount foot bracket to door stop.

PSH arm shown
PS similar

RH

1/2"

7/8"

5/8"

Use fifth hole
spacer when
required

IMPORTANT: Use a minimum of 5 screws.

3C

Alternate: Pre-assemble arm prior to attaching to stop.

NOTE: 351 closer bodies
are non-handed. It is important that the closer body is
installed with “RH” symbol at top for right hand doors,
“LH” symbol at top for left hand doors.
Copyright © SARGENT Manufacturing. All rights reserved.
Reproduction in whole or in part without the express written
permission of SARGENT Manufacturing is prohibited.

A7343G

1

4 * A. Rotate bottom spindle 45° with wrench
B.	Assemble main arm with index mark

4A

Alternate Method:
Attach pre-assembled arm

		 positioned as shown 		
	C. Secure with screw and washer

C
B
Left Hand
Door Opposite

C

RH

B
A
A

5

3

2

4

1

A. Open door and install pivot as shown
B. Use screw to secure pivot and arms

5

1
5

A

2

B

3
4

If not properly indexed, DOOR
!! * WARNING:
CLOSER will not FUNCTION PROPERLY

!!
Accessories

OPTIONAL: Use mortise nuts (#4TB)
when through-bolting is required

125 VF Bracket for flush frame and door condition

Flush
frame

Door
See Page 1
for
Templating
Dimensions

125 V Bracket for narrow frame condition
351-D Drop Bracket
Used with narrow top rails

581-2 Spacer
Used with blade stops

351-D Drop Bracket
D
O
O
R

2

A7343G

Copyright © SARGENT Manufacturing. All rights reserved.
Reproduction in whole or in part without the express written
permission of SARGENT Manufacturing is prohibited.

Final Adjustment and Regulating Procedures

6

Minimum recommended door closing time is 6 seconds for doors opened to 90 degrees.
Use 1/8" Hex (Allen) wrench to adjust valves as needed.*
Closing and latching speeds:
Turn valves clockwise to slow down or counterclockwise to speed up door movement.
Backcheck:
To regulate the intensity of backcheck action turn valve clockwise to increase or
counterclockwise to decrease checking.
CAUTION: SET VALVE FOR SLIGHT CUSHIONING EFFECT. CLOSER CAN BE DAMAGED IF THE CHECKING ACTION IS TOO
ABRUPT. NEVER USE THE BACKCHECK AS A DOOR STOP. ALWAYS USE A DOOR STOP TO STOP THE DOOR.
Delayed Action Feature (optional feature on some models):
“Delayed Action” provides slow door closing through the delayed action range. Turn valve clockwise to slow down or
counterclockwise to speed up door movement.

SPEED
UP

SLOW
DOWN

Delayed Action
Range
Closing Speed
Range

Latching Speed
Range

Backcheck Range

1/8" Hex socket
wrench

* If adjustments are ineffective, check indexing from step 4.

7

Adjust power to allow door to close and latch.

Increase

NUMBER OF TURNS OF SPRING POWER ADJUSTING NUT
DOOR WIDTH
(INCHES)

EXTERIOR DOORS

24-30

TURN nut 1-3

TURN nut 1-3

30-36

FACTORY SET

FACTORY SET

36-42

TURN nut 1-4

TURN nut 1-3

42-48

TURN nut 7-9

TURN nut 4-6

INTERIOR DOORS

Adjusting door to close due to high draft conditions may exceed ADA standards.
Consult local ordinances when fire doors are involved.

8

9

Install cover as shown.

Decrease
To adjust holder arm (PSH only)
All PSH arms are set in hold open at the
factory. To inactivate, turn the adjusting
nut approximately 1-1/2 turns
counter-clockwise.

Adjusting nut

INSERT IS
REMOVABLE.
PLACE IN
UNUSED OPENING.
Copyright © SARGENT Manufacturing. All rights reserved.
Reproduction in whole or in part without the express written
permission of SARGENT Manufacturing is prohibited.

A7343G

3

Copyright © SARGENT Manufacturing. All rights reserved.
Reproduction in whole or in part without the express written
permission of SARGENT Manufacturing is prohibited.

A7343G

4



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