background image

A

C

B

D

Adjust hold open angle by adjusting arm length:

Range of 85° to 110° is obtainable. A) Place slider in 
hold-open setting, B) open door, C) insert slide insert 
into main arm. Open door to desired hold-open 
position and D) secure arms with 9/64” hex screw.

Main Arm

Slide Insert

To adjust holding 
tension:

Insert 9/64” allen 
wrench thru hole in 
track end cap into cap 
screw in spring 
mechanism. Rotate 
allen wrench for 
desired tension.

Closing and latching speed:

Turn valves clockwise to slow down or counterclockwise to speed up door movement.

Backcheck:

Turn valve clockwise to increase or counterclockwise to decrease.

CAUTION: SET VALVE FOR SLIGHT CUSHIONING EFFECT. NEVER USE THE BACKCHECK AS A DOOR STOP. 
ALWAYS USE A DOOR STOP TO STOP THE DOOR.

Delayed action feature (optional):

When provided, turn valve clockwise to slow down or counterclockwise to speed up door movement.

Backcheck

Valve

Delayed Action

Valve (optional)

Closing Speed

Valve

Latching Speed

Valve

L

atching Speed

Range

C

losing Speed

Range

D

elayed Action

Range

B

ack

Check

Range

NOTE: If adjustments are 

ineffective, check 

indexing from step 5

FINAL ADJUSTMENT AND REGULATING PROCEDURES

5

6

Install cover as shown.

Insert is removable.
Place in unused opening.

Increase

Decrease

5/8”

Adjusting Nut

2

Copyright © 2015, 2022, 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.

Adjust power to allow door to close and latch

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

Door Width

(inches)

Exterior Doors

Interior Doors

24 - 30            1 - 3 CCW                1 - 3 CCW
30 - 36           Factory Set              Factory Set
36 - 42             1 - 4 CW                  1 - 4 CW
42 - 48             7 - 9 CW                  4 - 6 CW

Number of Turns of Spring Power Adjusting Nut

A8198 Rev 4

Approved 2022-11-04

Reviews: