PAGE 2
PAGE 3
REGULAR ARM INSTALLATION
WC51 or WC52 INSTALLATION INSTRUCTIONS
FRAME
DOOR
FOOT
SCREW
&
WASHER
PINION
CAP
6" [152]
“A”
1 3/4"
[44]
1" [25]
9-1/16"[230]
PINION FLAT
1. SELECT DEGREE OF DOOR OPENING. USE DIMENSIONS SHOWN IN CHART AND ILLUSTRATIONS ABOVE
TO MARK LOCATION OF ATTACHING SCREWS ON THE DOOR AND FRAME. PREPARE HOLES (See Preparation
For Fasteners chart page 1).
4. ATTACH CLOSER TO THE DOOR WITH THE SPEED
REGULATING VALVES FACING THE HINGE SIDE OF DOOR.
5. ATTACH THE FOOT OF THE FOREARM TO THE FRAME.
6. ADJUST THE LENGTH OF THE FOREARM TO POSITION THE
FOREARM AT A RIGHT ANGLE TO THE FRAME TO ENSURE
PROPER LATCHING (See Fig. B).
8. SNAP PINION CAP OVER THE PINION AT THE BOTTOM OF
THE CLOSER.
9. ADJUST CLOSER (refer to Speed and Power Adjustment
charts on page 1).
RIGHT HAND DOOR
LEFT HAND DOOR
SPEED REGULATING VALVES
3/4" [19]
1 1/4" [32]
9 1/16" [230]
“A”
3/4" [19]
1/2" [13]
1-3/4"
[44]
6" [152]
1-3/4" [44]
SPEED REGULATING VALVES
STOP
FACE
STOP FACE
CENTERLINE OF HINGE PIVOT
1/4-20 MACH. OR
WOOD SCREWS
TOP JAMB
DOOR
FOOT
SCREW & WASHER
PINION CAP
3-1/4"
MAX
[80]
LEFT HAND DOOR - LH
HINGE
SIDE
RIGHT HAND DOOR - RH
HINGE
SIDE
3. DISASSEMBLE FOREARM FROM MAIN ARM BY REMOVING
ELBOW WASHER AND SCREW.
4. MOUNT MAIN ARM ONTO CLOSER PINION SHAFT, ALIGNING
ARM MARK “S” WITH PINION FLAT (see Fig. A). SECURE WITH
MAIN SCREW AND WASHER.
5. ATTACH THE FOOT OF THE FOREARM TO THE DOOR.
6. WHEN CONNECTING THE FOREARM TO MAIN ARM: ADJUST
THE LENGTH OF THE FOREARM TO POSITION AT A RIGHT
ANGLE TO THE FRAME TO ENSURE PROPER PRELOAD (see
Fig. B). USE WASHER AND SCREW PROVIDED TO SECURE
PIVOT CONNECTION. TIGHTEN LOCKNUT ON FOREARM.
7. SNAP THE PINION CAP OVER THE PINION AT THE TOP OF THE
CLOSER.
8. ADJUST CLOSER (refer to Speed Adjustment charts on page 1).
TOP JAMB INSTALLATION
WC51 or WC52 INSTALLATION INSTRUCTIONS
CENTERLINE
OF HINGE
· RIGHT HAND DOOR ILLUSTRATED, SAME DIMENSIONS APPLY TO LEFT HAND DOOR
· MEASURED FROM HINGE CENTERLINE
· DO NOT SCALE DRAWING
FRAME
RIGHT HAND DOOR
POSITION OF MAIN ARM
WHEN ASSEMBLING TO SPINDLE
90°
RIGHT ANGLE
PRELOAD
2. ATTACH CLOSER TO THE FRAME WITH SPEED REGULATING VALVES FACING THE HINGE.
2. DISASSEMBLE FOREARM FROM MAIN ARM BY REMOVING ELBOW
WASHER AND SCREW.
3. MOUNT MAIN ARM ONTO CLOSER PINION SHAFT, ALIGNING ARM
MARK “S” WITH PINION FLAT (see Fig A.) SECURE WITH MAIN
ARM SCREW AND WASHER.
Fig. A
Fig. B
7. REATTACH MAIN ARM AND FOREARM USING ELBOW SCREW
AND WASHER.
PINION FLAT
Fig. A
90°
RIGHT HAND DOOR
TOP JAMB
FRAME
RIGHT ANGLE
POSITION OF MAIN ARM
WHEN ASSEMBLING TO SPINDLE
PRELOAD
Fig. B
MODEL
DIMENSIONS "A"
OPENING
DOOR WIDTH
inches
[mm]
WC51
WC52
7"
178
TO 100°
UP TO
34"-38"
UP TO
24"-30"
6"
152
3-1/2"
89
Interior
Exterior
101° TO 120°
* 121° TO 180°
*DOOR/WALL/HARDWARE/JAMB CONDITIONS PERMITTING
MODEL
DIMENSIONS "A"
OPENING
DOOR WIDTH
inches
[mm]
WC51
WC52
7"
178
TO 100°
UP TO
34"-38"
UP TO
24"-30"
6"
152
3-1/2"
89
Interior
Exterior
101° TO 120°
* 121° TO 180°
*DOOR/WALL/HARDWARE/JAMB CONDITIONS PERMITTING
1. SELECT DEGREE OF DOOR OPENING.
USE DIMENSIONS SHOWN IN CHART AND ILLUSTRATIONS
BELOW TO MARK LOCATION OF ATTACHING SCREWS ON THE
DOOR AND FRAME. PREPARE HOLES (see Preparation
For Fasteners chart page 1).