80-9395-9521-020 Rev/1 (06-16)
ASSA ABLOY
Norton is a brand associated with Yale Security Inc., an ASSA ABLOY Group company.
Copyright © 2016, Yale Security Inc. All rights reserved. Reproduction in whole or in part
without the express written permission of Yale Security Inc. is prohibited.
Figure 12.1
Figure 12.2
Figure 12.3
Location of pinion timing
mark under arm screw.
(Shown here for reference)
1-1/2
(38)
Figure 12.4
3-1/2
(89)
Dimension may have to be
increased for some parallel
applications requiring ADA
opening forces.
8.
Assemble & Preload Arm:
•
Remove adjusting rod screw, open door slightly and slide rod
into tube of main arm assembly (Figure 12.1).
•
Close door, re-install adjusting rod screw (Figure 12.2).
•
Pull main arm and tube assembly away from door face as
shown (Figure 12.2).
•
Using 7/16" wrench, tighten adjusting rod screw to secure arm
assembly at desire preload setting (Figure 12.2).
9.
Power adjustment:
•
Loosen adjusting rod screw.
•
To increase the power of the closer, re-adjust the arm elbow pivot
point nearer the door face (Figure 12.3).
•
To decrease power of the closer, re-adjust the arm elbow pivot
point farther away from door face (Figure 12.4).
•
Re-tighten adjusting rod screw to secure arm setting.
Parallel Arm Installation Sequence (Page 3 of 3)
Tighten Screw
10.
Closer Adjustments: See page 16 for more information.
A)
Adjust closing force
using the spring adjust screw.
Rotate screw clockwise (CW) to increase force.
Rotate screw counter-clockwise (CCW) to decrease closing
force. Use hex wrench provided.
B)
Adjust closing speed and latching speed
of door using
valves identified (Figure 16.1).
Rotate valve clockwise (CW) to decrease speed.
Rotate valve counter-clockwise (CCW) to increase door
closing speed.
C)
Adjust backcheck intensity.
Rotate (CW) to increase backcheck intensity.
Rotate (CCW) to de-crease backcheck intensity.
D)
Delayed Action
: (If equipped)
Rotate valve (CW) to increase close delay time.
Rotate (CCW) to de-crease close delay time
Page 12
