SARGENT 351 EHT/EHTD Electromechanical Closer-Holder - Manual (Page 2)

Final Adjustment and Regulating Procedures
SLOW
DOWN
SPEED
UP
Door Width
Exterior Doors Interior Doors
(Inches)
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
Adjust power to allow door to close and latch.
1/8” Hex Socket
Wrench
B ackcheck Range
D elayed Action
Range
C losing Speed
Range
L atching Speed
Range
Install cover as shown.
Closing and latching speeds:
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; 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):
When provided, turn valve clockwise to slow down or counterclockwise to speed up door movement.
Adjusting door to close due to high draft conditions may exceed ADA
standards. Consult local ordinances when fire doors are involved.
NUMBER OF TURNS OF SPRING POWER ADJUSTING NUT
Decrease
Increase
To adjust holding tension:
• Loosen 2.5mm lock down screw
• Turn knob for desired tension
• Retighten 2.5mm lock down screw
• Install cover plate with 3 screws as shown in step 4
+
Holding Tension
Adjustment
2.5mm HEX lock down screw
8 Adjust hold open angle by adjusting arm length:
Range of 85° to 110° is obtainable. Open door and slide insert into
main arm for desired hold open. Secure arms with 9/64" hex screw.
Main Arm
Insert
5/8"
Adjusting
Nut
Insert is removable.
Place in unused opening
2
Copyright © 2009, 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.
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