A7321D
Copyright © 2009, 2019, 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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SARGENT Manufacturing Company
100 Sargent Drive
New Haven, CT 06511 USA
800-727-5477
www.sargentlock.com
4. Attach Main arm as shown.
6. Set Hold Open.
You’ve now installed the
278 Concealed Closer.
🛑
Go to page 2 for closer adjustments.
Keep door open in position
until dial screw secures dial.
1st
3rd
3rd
2nd
RH:
Clockwise
to tighten.
LH:
Counter clockwise
to tighten.
2nd
1st
2nd
RH: Position index at 1
LH: Position index at 3
Closer will not operate
properly if main arm is
not indexed correctly.
5. Connect arms, preload spring
and tighten screw.
1st
2nd
3rd
Rotate elbow
until Main arm is
perpendicular to frame.
Rotating Main arm
preloads closer
spring power.
Secure arms with
Swivel Arm Screw.
1st
View from floor looking up.
Approved 2020-01-21
