Page 6
Closing Power Adjustment–
Control Valve Adjustments
Closing Speed Controls (Figure 1A or 1B and 2.)
Using “Power Adjustment Chart” from Page 3, select the
correct number of turns for power adjustment shaft that
corresponds with the installation. With 1/8” hex-key provided,
rotate adjustment shaft full 360° clockwise turns to desired
setting. After closer has been installed and proper
adjustments made to the sweep and latch, it may be
necessary to readjust spring power for good closing action.
(See Figure 2.)
Valve “S” Controls Sweep Range.
Valve “L” Controls Latch Range.
Unit Adjustment
L
A
T
C
H
L
A
T
C
H
Delayed Action
Closing Cycle
1B
Closing Speed Controls Figure 1.
SWEEP
S
W
E
E
P
Attention : Adjust Closing Speed Time
to between 4 to 7 seconds from 90°.
Use of the door by handicapped,
elderly or small children may require
greater closing time.
CLOSED
CLOSED
Standard Closing Cycle
1A
DELAY
RA
NG
E
10°
10°
70°
CAUTION:
DO NOT BACK VALVES OUT OF
CLOSER OR A LEAK WILL
RESULT.
Closing Speed Controls Figure 2.
Closing Power Control Figure 3.
Opening Cycle
“Backcheck” valve controls the strength of cushioning in
Backcheck Range. NEVER close this valve completely – it
is not to provide a positive stop. (see Figure 4 and Figure 5).
O
P
E
N
IN
G
Opening Door Control Figure 4.
Opening Cycle
BACKCH
ECK
CAUTION:
DO NOT BACK VALVES OUT OF
CLOSER OR A LEAK WILL
RESULT.
Backcheck Control Figure 5.
NEVER CLOSE VALVES
COMPLETELY - NOT
INTENDED TO PROVIDE
A POSITIVE STOP.
Increase
Decrease
CAUTION:
DO NOT BACK VALVES OUT OF
CLOSER OR A LEAK WILL
RESULT
"L"Valve
"S"Valve
1/8”
Hex
Key
Slow
Fast
1/8”
Hex
Key
Increase
Decrease
"BC" Valve
4
1/8”
Hex
Key
Increase
Decrease
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 © 2003, 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.
