Adjustments - Assa Abloy Norton D6011 Series Installation Instructions Manual

Adjustments

A. Adjust mechanical closer features on each operator.
NOTE:
• Make necessary mechanical adjustments so
unit functions as a standard surface mounted
door closer before adjusting spring force,
applying power, adding accessories or
making electrical/programming adjustments.
• Valve location S/D is not adjustable.
• Chain protection plate cutouts allow
access to valves. Use hex wrench to make
adjustments. (Figure 25)
Do not remove valves from closer.
Hydraulic oil will escape.
1 . Closing Speed Controls (Figure 25)
• Valve "S" controls Sweep Range from
full open to 10° .
• Valve "L" controls Latch Range from
10° to closed .
2 . Opening Cycle (Figure 25)
• Valve "B" controls strength of cushioning in
Backcheck Range .
NOTE: NEVER close Backcheck valve
completely – it is not to provide a positive
stop.
• Valve "P" adjusts angle that backcheck is
felt in open cycle . Factory preset is typically
acceptable .
B. Adjust spring force on each operator.
NOTE:
• The amount of effort to manually open or
close a door is called force and is controlled by
the operator's closer spring.
• Make necessary mechanical adjustments
described in "A" above.
• A closer set to ADA required 5 lbs opening
force may not be strong enough to close door
due to latching hardware, air pressure, or
frame issues.
1 . Using 11/16" wrench, turn nut in end of each
closer body tube to desired force .
(Figure 26)
NOTE: If spring adjustment nut is too close
to end cap and wrench will not reach nut,
remove Torx screw in end cap access door and
slide door open. When finished, slide access
door closed and reinsert #6 Torx flat head
screw to secure door. (Figure 26)
12
D6011/D6051 Double Unit Series (Pull Side) Power Operator
View of Left Hand operator from ceiling looking down
Figure 25
View of Left Hand operator
Figure 26
Copyright © 2019-2020, ASSA ABLOY Accessories and Door Controls Group, Inc. All rights reserved. Reproduction in whole
or in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.
Chain Protection Plate
80-9360-1029-020 Rev 5 11/20