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9-1/16" (230 mm)
SPEED REGULATING VALVES
1" (25,4 mm)
1 3/4" (44,5 mm)
DIMENSIONS "A"
MODEL
inches
7"
BC4051
6"
BC4052
3-1/2"
*DOOR/WALL/HARDWARE/JAMB CONDITIONS PERMITTING
POSITION OF MAIN ARM WHEN ASSEMBLING TO
THE PINION SHAFT
RIGHT HAND DOOR
TOP JAMB
90°
RIGHT ANGLE
TOP JAMB INSTALLATION
MODEL BC4051 or BC4052 INSTALLATION INSTRUCTIONS
A
3/4" (19 mm)
1" (25,4 mm)
STOP
FACE
6" (152 mm)
OPENING
[mm]
TO 100°
178
152
101° TO 120°
89
121° TO 180°*
FRAME
POSITION OF MAIN ARM
WHEN ASSEMBLING TO SPINDLE
LEFT HAND DOOR-LH
HINGE
SIDE
CENTERLINE
OF HINGE
SCREW & WASHER
HINGE
I
INSTALLATION INSTRUCTIONS
1. SELECT DEGREE OF OPENING. USE DIMENSIONS SHOWN IN CHART AND ILLUSTRA-
TIONS ABOVE TO MARK LOCATION OF ATTACHING SCREWS ON THE DOOR AND
FRAME. PREPARE HOLES (See Preparation For Fasteners chart, Page 1).
2. ATTACH CLOSER TO THE FRAME WITH THE SPEED REGULATING VALVES FACING THE
HINGE SIDE OF DOOR.
3. DISASSEMBLE FOREARM FROM MAIN ARM BY REMOVING ELBOW WASHERS AND
SCREW.
4. ASSEMBLE MAIN ARM TO CLOSER
USING MAIN ARM SCREW AND
WASHER.
5. ATTACH THE FOOT OF THE FOREARM TO THE DOOR.
6. ADJUST THE LENGTH OF THE FOREARM TO POSITION THE FOREARM AT A RIGHT
ANGLE TO THE DOOR TO ENSURE PROPER LATCHING, AND ATTACH FOREARM TO
MAIN ARM USING ELBOW WASHERS AND SCREW.
7. SNAP PINION CAP OVER THE PINION AT THE TOP OF THE CLOSER.
8. ADJUST CLOSER (refer to ADJUSTING SWEEP SPEED & LATCHING SPEED on page 1)
RIGHT HAND DOOR- RH
HINGE
SIDE
999-30001
DOOR
FOOT
LARGE FLAT
PAGE 3
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