Page 5
Backcheck
Closer Adjustments
Closing Speed Controls
"L"
(Latch)
"S"
(Sweep)
Optional
(Delay Range)
"D"
"B"
(Backcheck)
NEVER close completely
Figure 2
NOTE
: Maximum of 20 turns (360°) of Power Adjustment Shaft.
Latch
Sweep
Delayed Action
slower
faster
stronger
weaker
Caution:
Do not back valves out
of closer or a leak will
result.
Closing Power Control
Figure 1
Power Adjustment Shaft
• Set closing power, as charted. Closer is shipped at power
setting as circled. See Figure 1 at left for illustration of how
to make these adjustments.
Closing Controls
Opening Controls
control range
control
range
control
range
control
range
+
-
Closing Power
Closing Cycle
Attention:
come in
three different sizes (4 through 6); each power
size can be increased by 50%. Adjust as
required.
are
adjustable sizes 1 thru 6.
For proper sizing see power adjustment chart
below right.
To adjust closer power,
.
Increase or decrease power as necessary.
(see illustrations below).
Valve
controls door speed in
Valve
controls door speed in
Valve
(Optional) controls door speed in
Use 1/8" hex-key furnished and adjust as
shown in
3340/3540 & 3350/3550 Models
See Figure 1.
3341/3541 & 3351/3551 Models
see Figure 1
"L"
Latch
Range.
"S"
Sweep
Range.
"D"
Delay Range.
Figure 2.
Adjust closing speed to between
4 to 7 seconds from 90°. Use of door by
handicapped, elderly or small children may
require greater closing time.
Opening Cycle
see illustration below).
"B" cushions (slows) door opening
in th Backcheck Range.
(
Valve
e
NOTE: Never close this valve completely or
damage to closer may occur.
Power Adjustment Chart
Full Clockwise Turns of Closer
Power Adjustment Shaft
Interior Door
Exterior Door
10
12
13
15
14
Door Size
Inches
(meters)
28-32
(0.07-0.80)
37-42
(0.95-11.05)
43-48
(1.10-1.20)
33-36
(0.85-0.90)
17
17
19
Note:
Power adjustments
charted are
recommended where
possible to insure
proper door control.
See Note on Page 1
where codes may
dictate reducing
these recommende
adjustments.
d
All valves are adjusted with
1/8" hex-key, furnished.
Use 5/16” Socket
or Adjustable Wrench
An ASSA ABLOY Group brand
3000 Highway 74 East • Monroe, NC 28112
Tel: (800)-438-1951 • Fax: (800)-338-0965
www.yalecommercial.com
Yale ® is a registered trademark of Yale Security Inc., an ASSA ABLOY Group company.
Copyright © 2005, 2009, Yale Security Inc., an ASSA ABLOY Group company. All rights reserved.
Reproduction in whole or in part without the express written permission of Yale Security Inc. is prohibited.
