Page 4
Unit Adjustment
L
A
T
C
H
L
A
T
C
H
O
P
E
N
IN
G
Delayed Action
Closing Cycle
1B
Closing Speed Controls Figure 1.
SWEEP
S
W
E
E
P
CLOSED
CLOSED
Standard Closing Cycle
1A
DELAY
RA
NG
E
10°
10°
70°
Closing Speed Controls Figure 2.
Closing Power Control Figure 3.
Opening Door Control (Figure 4.)
!
!
Backcheck ( B ) valve controls the hydraulic resistance to
door opening. NEVER close this valve completely – it is
not to provide a positive stop.
Backcheck position (”P”) valve controls the door angle
where backcheck cushioning starts. Valve normally closed.
“ ”
Opening Door Control Figure 4.
Opening Cycle
BACKCH
ECK
Backcheck Control Figure 5.
Closing Speed Controls (Figure 1A or 1B And 2.)
Standard Closer Only
Delayed Action Closer Only
Valve “S/D” Controls Sweep Range.
Valve “L” Controls Latch Range.
Valve “S/D” Controls Delay Range.
Valve “S” Controls Sweep Range.
Valve “L” Controls Latch Range.
1/8”
Hex
Key
Slow
Fast
1/8”
Hex
Key
Increase
Decrease
Standard
S/D (Sweep)
L (Latch)
Delayed Action
S/D (Delayed
Action)
S (Sweep)
L (Latch)
1/8”
Hex
Key
“B”
(NEVER
Close
Completely)
1/8”
Hex
Key
Increase
Decrease
Open for backcheck
later in door-opening
cycle.
Backcheck Position
“P”
Normally
Closed
Backcheck Cushion
Power
Adjustment
Nut
To increase power
11/16"
wrench
To decrease power
11/16"
wrench
Note: Maximum of 15 360°
turns of Power Adjustment
Nut.
Closing Power Adjustment (Figure 3.)
!
Adjust as required.
The Hold-Open feature is controlled by the knob located
on the arm of the unit. A quarter turn of this knob
engages or disengages the Hold-Open mechanism.
ON
OFF
Thumbturn Action
(Units suffixed “T”)
Door Holder Option
Sweep &
Latch
Delay
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 © 2002, 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.
