PARALLEL ARM INSTALLATION INSTRUCTIONS
LEFT HAND DOOR SHOWN.
Same dimensions apply for Right Hand
door measured from hinge edge.
Do not scale drawing.
All dimensions given in inches (mm).
ADJUSTMENT INSTRUCTIONS
PARALLEL ARM INSTALLATION
CLOSER MOUNTED ON PUSH SIDE OF DOOR
Parallel arm installation for 180° maximum opening.
2-3/4
(70)
Parallel Bracket
Arm Screw and
Lockwasher
4 holes for #14
wood screws
or 1/4-20UNC
machine screws
Hinge Edge of Door
3/4
(19)
2-7/8
(73)
Speed Regulating Valves
Away From Hinge Edge
of Door
Forearm
Locknut
Main Arm
4
1
2
3
Index Mark
Left hand door, use index mark 3
ILLUSTRATION "A"
4
1
2
3
Right hand door, use index mark 2
ILLUSTRATION "B"
POSITION OF ARMS AND INDEX SETTINGS
BACKCHECK ADJUSTMENT- is controlled by the adjustment valve. To
increase Backcheck action, turn valve CLOCKWISE. To decrease or to
turn off Backcheck action, turn valve COUNTERCLOCKWISE.
Closing Speed
Regulating Screw
Latching Speed
Regulating Screw
Fast
Slow
B
A
Speed
Latch
Forearm
Locknut
Main Arm
Index Mark
2"
(50)
3/8
(9)
3/8
(9)
3/4
(19)
4 holes for #14
wood screws
or 1/4-20UNC
machine screws
Spring Power
Adjustment Screw
Backcheck
Adjustment Valve
Parallel
Bracket
Shaft
Pinion
Cap
CLOSING POWER- As per "Spring Tension Chart" select the correct
number of turns for spring adjustment screw that corresponds with the
installation. Using 5/32" (4mm) allen key, turn adjustment screw full
360° clockwise turns to desired setting.
SPEED- Door closing and latching speeds are controlled by "1", "2"
speed regulating screw separately.
A: Clockwise turns slow the speed. B: Counterclockwise turns increase
the speed.
1. Select degree of opening and use dimensions shown in above
template to mark (4) four holes on door for closer and (2) two
holes on frame for parallel bracket.
2. Drill pilot holes in door and frame for #14 wood screws or drill
and tap for 1/4-20UNC machine screws.
3. Mount closer on door with SPEED REGULATING SCREW
AWAY FROM HINGE EDGE.
4. Attach parallel bracket to door stop as illustrated.
5. Using a wrench on the square shaft on bottom of closer, rotate
shaft approximately 45° toward hinge edge of door. Hold and
place main arm on shaft on top of closer at proper index mark
as illustrated.
FOR LEFT HAND DOOR NO. 3 (ILLUSTRATION "A").
FOR RIGHT HAND DOOR NO. 2 (ILLUSTRATION "B").
Tighten arm screw with lockwasher securely.
6. Remove the arm shoe from the forearm (arm shoe is not used
in this application) and place forearm on parallel bracket stud
and tighten screw securely.
7. Adjust length of forearm so when it is attached to main arm, the
main arm will be slightly away from parallel with closed door,
and assemble at elbow then tighten locknut.
1
2
YMDC1101 Installation Instructions
C
CLHinge
B
Stud
Full Turns
of Spring
Adjustment
Screw
0
5
10
12
Maximum Door Width
Interior
Door Size
Exterior Door Size
Swing In
Swing Out
36" (914)
42" (1067)
48" (1219)
32" (813)
36" (914)
42" (1067)
28" (711)
32" (813)
36" (914)
5 Pounds Opening Force
Spring Tension - Door Size Chart
9-1/16
(230)
For Opening To 120°
For Opening 120° - 180°
7" (176)
8-5/8" (219)
6-1/2" (164)
7-1/8" (181)
B
C
B
C
