SARGENT 421 User Manual
421 CAM ACTION DOOR CLOSER
H
INGE SIDEHINGE SIDE
S
TOP SIDE STOP SIDE
R
IGHT
HAND DOOR
L
EFT
HAND DOOR
(PCTB & PCHTB) PUSH SIDE TRACK
APPLICATION INSTALLATION INSTRUCTIONS
CAUTION: FAILURE TO INSTALL OR ADJUST PROPERLY MAY RESULT IN INJURY OR DAMAGE
For assistance, contact SARGENT at 800-727-5477 or www.sargentlock.com
NOTE: AN AUXILIARY DOOR STOP IS REQUIRED
MEASURE & MARK HOLES. PREP HOLES USING DIMENSIONS
A
ON PAGE 4
EFT HAND
L
SHOWN
OR
for self tapping screws or #16 drill and tap
WITH PROVIDED FASTENERS, SECURE CLOSER BODY TO DOOR WITH POWER ADJUSTMENT FACING
B
AWAY FROM HINGE SIDE OF DOOR.
When using mortise nuts,
see accessories on page 3
WITH A WRENCH, ROTATE THE BOTTOM SPINDLE TOWARD HINGE APPROXIMATELY 15°. SECURE ARM TO SPINDLE
C
WITH SCREW AND WASHER PROVIDED
Warning: If not properly indexed, door
closer will not operate properly
Left Hand Shown
(Right Hand Opposite)
Pre-drill - 3/32” holes
#12-24 UNC for machine screws
Left Hand
© Sargent Manufacturing Company 2007
Right Hand
A7959A
1
SLIDE TRACK OVER ROLLER AND INSTALL END CAPS. SECURE TRACK TO FRAME WITH SCREWS PROVIDED.
CLOSING SPEED
LATCHING SPEED
BACKCHECK
D
NOTE: ORIENT TRACK SO STOP PIN IS
ON HINGE SIDE OF DOOR
FINAL ADJUSTMENT AND REGULATING PROCEDURE
– Adjust door speed and latching speed valves to achieve the desired closing time. 6 seconds minimum from 90° to the
E
closed position is recommended.
– If backcheck is required, adjust valve to achieve a slight cushioning effect. Auxiliary stop required.
Use 5/32" hex wrench to
adjust valves
CLOSING SPEED
RANGE
LATCHING SPEED
RANGE
ADJUST POWER TO MINIMUM REQUIRED TO RELIABLY CLOSE AND LATCH DOOR
– If door is hard to open, decrease power slightly
– If door does not latch, increase power as required
– Doors adjusted with high closing power to overcome strong
draft conditions may exceed ADA standards.
BACKCHECK
RANGE
421 CLOSERS
FIELD ADJUSTABLE
FOR SIZES 1-6
ARE
© Sargent Manufacturing Company 2007 A7959A
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