PAGE 1
PARALLEL ARM INSTALLATION
WC51 or WC52 INSTALLATION INSTRUCTIONS
PAGE 4
©2015 Hampton Products International Corp.
50 Icon, Foothill Ranch, CA 9 2610-3000 USA
www.hamptonproducts.com
1-800-562-5625
91000_WC51-52_REVA 09/15
#95264000
DOOR CLOSER
WC51/WC52 INSTALLATION INSTRUCTIONS
PULL SIDE
PUSH SIDE
HINGE SIDE OF DOOR
STOP SIDE OF DOOR
THIS IS A RIGHT HAND DOOR
STOP SIDE OF DOOR
HINGE SIDE OF DOOR
THIS IS A LEFT HAND DOOR
PREPARATION FOR FASTENERS
COMPONENTS
CHART TO DETERMINE HAND OF DOOR
CLOSING SPEED CONTROL
REGULATING SWEEP SPEED & LATCHING SPEED
THIS VALVE CONTROLS LATCHING SPEED
(SLOWER- TURN CLOCKWISE)
(FASTER - TURN COUNTER CLOCKWISE)
THIS VALVE CONTROLS DOOR SWEEP SPEED
(SLOWER- TURN CLOCKWISE)
(FASTER - TURN COUNTER CLOCKWISE)
TURN SPEED REGULATING VALVES CLOCKWISE TO SLOW DOWN
OR COUNTER CLOCKWISE TO SPEED UP DOOR MOVEMENT.
MOVE FOOT PIVOT TO HOLE AS ILLUSTRATED
LESS POWER
MORE POWER
STANDARD POSITION
HINGE EDGE OF DOOR
STANDARD CLOSING CYCLE
10°
CAUTION: DO NOT BACK
VALVES OUT OF CLOSER
OR LEAK WILL RESULT.
ATTENTION:
ADJUST CLOSING SPEED
TIME TO BETWEEN 4 & 6
SECONDS FROM 90°.
DOORS USED BY:
HANDICAPPED, ELDERLY
OR SMALL CHILDREN MAY
REQUIRE LONGER
CLOSING TIMES.
ADJUSTING FOOT FOR
INITIAL OPENING POWER
PINION CAP
PARALLEL ARM (PA) PLATE
WASHER
FOREARM
MAIN ARM
ELBOW WASHER AND SCREW
FOOT
LOCKNUT
ARM ASSEMBLY
CLOSER BODY
PINION SHAFT
MAIN ARM SCREW
AND WASHER
FASTENERS
DOOR OR FRAME
DRILL SIZES
WHERE USED
*DRILL DEPTH
Self Drilling/Tapping
Machine Screw
Hollow Metal or Aluminum
3/16"
Closer
Thru One Side
1/4" - 20
Machine Screws
Hollow Metal
#7 (.201") Drill Bit &
1/4" - 20 Tap
Closer
1"
Parallel Arm (PA)
Plate/Foot
5/8"
Wood Screw
Wood
1/8" Drill Bit - Softwood
Closer & PA Plate/
Foot
1 1/4"
3/16" Drill Bit - Hardwood
* Measure door thickness before drilling pilot holes to prevent drilling through opposite side
1. SELECT DEGREE OF DOOR OPENING. USE DIMENSIONS SHOWN IN CHART AND
ILLUSTRATION TO MARK LOCATION OF ATTACHING SCREWS TO THE DOOR
AND FRAME. PREPARE HOLES (see Preparations For Fasteners chart page 1).
MODEL
DIMENSION "A"
DEGREE OF
OPENING
inches
[mm]
WC51
WC52
7-5/8"
194
TO 100°
6-1/8"
156
101 ° TO 130°
4-1/8"
105
OVER 131°
inches
[mm]
235
7-3/4"
9-1/4"
5-3/4"
197
146
DIMENSION "B"
9-1/16" [230]
“A”
3/4" [19]
CENTERLINE
OF HINGE
FRAME
DOOR
PA SHOE
WASHER
PA PLATE
SPEED REGULATING
VALVES
STOP FACE
STOP FACE
3” [76]
LEFT HAND DOOR
RIGHT HAND DOOR
HINGE
SIDE
HINGE
SIDE
4. ATTACH CLOSER TO THE DOOR WITH SPEED
REGULATING VALVES FACING THE DOOR OPENING.
5. ATTACH THE PA PLATE TO THE TOP FRAME AS SHOWN IN DIAGRAM.
6. BEFORE INSTALLING THE ARM ON THE PINION SHAFT, ROTATE THE PINION WITH A WRENCH.
45° TOWARDS THE HINGE EDGE OF THE DOOR TO ALIGN MAIN ARM LETTER “B” (RH DOOR)
OR “A” (LH DOOR) WITH THE PINION FLAT. FASTEN WITH MAIN ARM SCREW AND WASHER (see Fig. 5).
7. FASTEN FOREARM TO THE PA PLATE, USING THE SCREW THAT WAS REMOVED FROM THE FOOT IN STEP 3 AND PA SHOE WASHER INCLUDED IN
THE SCREW PACK.
8. WITH THE DOOR CLOSED, ADJUST THE FOREARM LENGTH TO SET ARM
ELBOW ABOUT 1-1/2"[38mm] FROM THE DOOR WHEN CONNECTED TO THE
MAIN ARM. USE WASHER AND SCREW PROVIDED TO
SECURE THE PIVOT CONNECTION. TIGHTEN LOCKNUT.
9. SNAP THE PINION CAP OVER THE PINION AT THE
BOTTOM OF THE CLOSER.
10. ADJUST CLOSER (refer to Speed and Power
Adjustment charts on page 1).
PINION FLAT
FOR LEFT HAND DOOR
PINION FLAT
FOR RIGHT HAND DOOR
Fig. 5.
1-1/2"
[38]
2"[51]
2-3/4" [70]
3/8" [9.5]
RIGHT HAND DOOR
PA PLATE
7/16" [11]
5/16" [8]
FRAME
“B”
CENTERLINE
OF HINGE
2. DISASSEMBLE FOREARM FROM MAIN ARM BY REMOVING ELBOW WASHER AND SCREW.
3. REMOVE THE FOOT FROM THE FOREARM AND DISCARD. Note: DO NOT DISCARD SCREW
AND WASHER, WILL NEED IN STEP 7.
