Yale ® is a registered trademark of Yale Security Inc., an ASSA ABLOY Group company.
Copyright © 1999, 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.
Page 4
Increase
Decrease
Closing Speed Control
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. ADA code requires
that door take at least 3
seconds to close from 70° of
door opening to within 3”
(75mm) of the closed position.
Closing Cycle
CLOSED
SWEEP
L
A
T
C
H
10°
Figure 1
CAUTION:
DO NOT BACK VALVES OUT OF
CLOSER OR A LEAK WILL
RESULT
CAUTION:
DO NOT BACK VALVES OUT OF
CLOSER OR A LEAK WILL
RESULT
Opening Door Control
Opening Cycle
O
P
E
N
IN
G
• Backcheck (”BC”) valve controls the hydraulic resistance to door opening in backcheck range.
NEVER close this valve completely – it is not to provide a positive stop.
BACKCHECK
Figure 2
Unit Adjustment
• Valve “S” controls Sweep Range.
• Valve “L” controls Latch Range.
NOTE: By law the Americans with Disabilities Act (ADA) may
require that door closer installation comply with accessability
guidelines.
"L"Valve
"S"Valve
1/8”
Hex
Key
Slow
Fast
1/8”
Hex
Key
Increase
Decrease
"BC" Valve
4
Closing Power Control
Figure 3
1/8”
Hex
Key
Increase
Decrease
Adjust as required. Product is shipped
at mid range power setting.
Bracket Illustrations
Door Holder Option
Figure 4
Power Adjustment Chart
DOOR
INT
EXT
PARALLEL ARM
INSTALLATION
MAXIMUM DOOR SIZE
34”
(0.85 m)
36”
(0.9 m)
40”
(1 m)
44”
(1.1 m)
48”
(1.2 m)
*18 -360° TURNS MAXIMUM AVAILABLE
*
FULL 360
TURNS
OF PO
WER ADJUSTMENT
SHAFT
o
NOT
RECOMMENDED
USE 51
51BF
51
2
8
3
5
2
9
5
7
3
7
10
4
5
10
14
13
16
INT
EXT
Standard 6190 Bracket
Deep Reveal Option
Spacer Block
Clamps
2 Clamp Screws
No. 6191 Reinforcing Kit
No. 589L Bracket
Flush Partition Option
4 Bracket
Screws
Hold-Open
option is found at the arm elbow. To select
hold-open “on” or hold-open “off” and to adjust the hold-
open force ... use screwdriver as illustrated.
Turn 90°
To “Off”
Press & Turn
To Decrease
Force
To Increase
Force
Hold-Open
“On”
Hold-Open Force
Cover (Optional Cover 50P)
Thread in screws before mounting closer. Leave enough gap
between the head of the screw and the closer to slide the
cover on. Slide the cover over the closer and secure the
mounting screws after installation is complete.
5=55BC
4=54BC
3=53BC
2=52BC
6=56BC
To identify your model:
3 - 6=51
1- 4=51BF
Date
Code
3-6
BE
Size
Code
An ASSA ABLOY Group brand
3000 Highway 74 East • Monroe, NC 28112
Tel: (800)-438-1951 • Fax: (800)-338-0965
www.yalecommercial.com