DOOR CLOSER
MODEL BC4051 or BC4052 INSTALLATION INSTRUCTIONS
BEFORE STARTING THE INSTALLATION, refer to the specification chart below to confirm closer selection.
PREPARATION FOR FASTENERS
DETERMINE HAND OF DOOR
COMPONENTS
CLOSING SPEED CONTROL
ADJUSTING SWEEP SPEED & LATCHING SPEED
ADJUSTING FOOT FOR CLOSING POWER
PAGE 1
PULL SIDE
PUSH SIDE
HINGE SIDE OF DOOR
STOP SIDE OF DOOR
STOP SIDE OF DOOR
HINGE SIDE OF DOOR
THIS IS A RIGHT HAND DOOR
THIS IS A LEFT HAND DOOR
THIS VALVE CONTROLS
LATCHING SPEED: (SLOWER- TURN CLOCKWISE)
(FASTER - TURN COUNTER CLOCKWISE)
THIS VALVE CONTROLS
SWEEP SPEED: (SLOWER- TURN CLOCKWISE)
(FASTER - TURN COUNTER CLOCKWISE)
SWEE
P
ATTENTION:
ADJUST CLOSING SPEED
TIME TO BETWEN 4 & 6
SECONDS FROM 90°. USE OF
THE DOOR BY HANDICAPPED,
ELDERLY OR SMALL
CHILDREN MAY REQURE
LONGER CLOSING TIMES.
STANDARD CLOSING CYCLE
CAUTION: DO NOT BACK
VALVES OUT OF CLOSER
OR LEAK WILL RESULT.
TURN SPEED REGULATING VALVE CLOCKWISE TO SLOW DOWN OR COUNTER
CLOCKWISE TO SPEED UP DOOR MOVEMENT.
MOVE FOOT PIVOT TO HOLE AS ILLUSTRATED
LESS POWER
MORE POWER
HINGE EDGE OF DOOR
FASTENERS
Model
Type
Closer Size
Maximum Door Width
Maximum Door Weight
Maximum opening angle for closer
BC4051/BC4052
UL 3 Hr Fire Rated
3
38"
125 lbs
180˚
DOOR OR FRAME
RECOMMENDED DRILL SIZES
DRILL DEPTH
Machine Screw
Hollow Metal or Aluminum
#7 (.201") & 1/4"-20 Tap
*Through One Side
Sheet Metal Screw
Wood Cored
*1-1/4"
3/16"
3/16"
1/8"
Hardwood
Hollow Metal
999-30001
LATCH
10°
PARALLEL ARM PLATE
ELBOW WASHER AND SCREW
MAIN ARM
SECONDARY ARM
FOOT
CLOSER BODY
LOCKNUT
PINION CAP
PINION SHAFT
MAIN ARM SCREW
*Measure door thickness before
drilling pilot holes to prevent drilling
through opposite side
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