SARGENT 278 Series Overhead Concealed User Manual
Ab c, A7321c (o, h & fusible link arms), A7321c

CLOSER MOUNTED IN
SIDE FRAME
A7321C (O, H & FUSIBLE LINK ARMS)
NUMBER OF TURNS OF SPRING POWER ADJUSTING NUT
FROM FACTORY SETTING
(USE CHART AS GUIDE ONLY)
DOOR WIDTH
(INCHES)
24
30
32
36
40
42
44
46
48
OVER 48
278
EXTERIOR DOORS
INTERIOR DOORS
1-5 CCW
FACTORY SET
1-5 CW
5 CW AND UP AS REQ.
APPROXIMATE
DOOR WEIGHT (POUNDS)
80
110
115
130
150
155
165
170
180
INSTALL CLOSER INTO PREPARED FRAME
CAUTION: INSTALL CLOSER BODY WITH
SHORT END TOWARD HINGE SIDE OF FRAME.
1. SECURE MAIN ARM TO CLOSER WITH INDEX MARK ON SPINDLE AS ILLUSTRATED BELOW
WITH WASHER AND SCREW. (PRELOAD 45°)
2. OPEN DOOR AND INSERT RECTANGULAR ROD INTO SWIVEL (OR HOLD OPEN ARM), THEN
CLOSE DOOR AND TIGHTEN ARM SCREW WHEN MAIN ARM IS AT RIGHT ANGLE TO DOOR.
SEE ILLUSTRATION BELOW.
ATTACH FOOT TO DOOR
USE TEMPLETE ENCLOSED TO LOCATE,
DRILL AND TAP HOLES.
FOR REGULAR ARM
FOR HOLD-OPEN ARM
RIGHT HAND
DOOR SHOWN
CLOSING
SPEED
VALVE
BACKCHECK
VALVE
SPRING POWER
ADJUSTING
SCREW
LATCHING
SPEED
VALVE
PIVOT-AWAY FROM HINGE
H
IN
G
E
E
D
G
E
O
F
D
O
O
R
PIVOT-AWAY FROM HINGE
H
IN
G
E
E
D
G
E
O
F
D
O
O
R
NUT FACES UP
NUT FACES DOWN
POSITION OF
MAIN ARM WHEN
ASSEMBLING
TO SPINDLE
WASHER
AND SCREW
VIEW LOOKING UP
(REGULAR ARM,
RIGHT HAND DOOR)
SWIVEL
ARM
ARM
SCREW
ROD
RH DOOR
LH DOOR
ADJUST SPRING POWER ACCORDING TO CHART
+
-
3/16 HEX*
45°
VIEW LOOKING UP
WHEN ASSEMBLING
ARM TO SPINDLE
INDEX MARK
ON SPINDLE
LEFT HAND
1
5
4
2
3
1
5
4
2
M
AIN
AR
M
3
RIGHT HAND
M
A
IN
A
R
M
SHORT END
OF CLOSER
HEAD
STOP
S
P
IN
D
L
E
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
COUNTERCLOCKWISE.
*ONLY OPEN DOOR A FEW INCHES WHILE ADJUSTING.
FACTORY SET
1-5 CW
5-8 CW
8-13 CW
13-15 CW
UP TO 19 CW AS REQ.
1
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.
A7321C
INSTALLATION INSTRUCTIONS CONCEALED DOOR CLOSER
WITH REGULAR “O” HOLD OPEN “H” & FUSIBLE LINK “F” ARMS
278 NON SIZED ADJUSTABLE SIZES 1 THROUGH 6
COMPLIES WITH ADA REQUIREMENTS
FOR INSTALLATION ASSISTANCE CALL SARGENT AT 1-800-727-5477 • www.sargentlock.com
A
B
C