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6021/6031 Series (Push Side) Power Operator
Adjustments
A. Adjust mechanical closer features.
NOTE:
y 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.
y Valve location S/D is not adjustable.
Do not remove valves from closer.
Hydraulic oil will escape.
1. Closing Speed Controls (Figure 25)
y Valve "S" controls Sweep Range from
full open to 10°.
y Valve "L" controls Latch Range from
10° to closed.
2. Opening Cycle (Figure 25)
y Valve "B" controls strength of cushioning
in Backcheck Range.
NOTE: NEVER close Backcheck valve
completely – it is not to provide a positive
stop.
y Valve "P" adjusts angle that backcheck
is felt in open cycle. Factory preset is
typically acceptable.
B. Adjust spring force.
NOTES:
y The amount of effort to manually open or close a door is called
force and is controlled by the operator's closer spring.
y Make necessary mechanical adjustments described in "A" above.
y 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.
6021 Series: Using an adjustable wrench or a ratchet with an 11/16"
socket, turn the nut in end of closer body tube clockwise to increase
or counterclockwise to decrease force until desired setting is
reached. (Figure 26)
6031 Series: To adjust the spring force, access the Spring Force
Adjustment Nut through the End Cap Access Door.
1. Remove small torx head screw from end cap.
2. Slide the End Cap Access door, exposing the spring
adjustment nut.
3. Using a ratchet with an 11/16" socket, turn the nut in end of closer
body tube clockwise to increase or counterclockwise to decrease
force until the desired setting is reached. (Figure 27)
4. Once the desired force has been set:
‒ Remove the ratchet.
‒ Slide the end cap access door closed.
‒ Replace the end cap screw.
Copyright © 2019, 2023, 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.
80-9360-1027-020 Rev 5 01/23
Approved 2023-01-24
"B"
Back check
Stronger
1/8"
Hex
Key
Weaker
75°
"S"
Sweep
Slower
1/8"
Hex
Key
Faster
10°
View from ceiling looking downward
Figure 25
Spring Force
Adjustment Nut
or
View from ceiling looking downward
Figure 26
Spring Force
Adjustment Nut
End Cap
Access Door
Figure 27
"P"
Back check
Position
1/8"
Hex
Key
90°
75°
"L"
Latch
Slower
1/8"
Hex
Key
Faster
0°
10°
–
Weaker
+
Stronger
11
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