Final adjustment and regulating procedure – SARGENT 421 Cam Action User Manual
Page 2

© Sargent Manufacturing Company 2007
A7959A
SLIDE TRACK OVER ROLLER AND INSTALL END CAPS. SECURE TRACK TO FRAME WITH SCREWS PROVIDED.
D
E
B
ACKCHECK
RANGE
C
LOSING SPEED
RANGE
L
ATCHING SPEED
RANGE
– Adjust door speed and latching speed valves to achieve the desired closing time. 6 seconds minimum from 90° to the
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
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.
CLOSING SPEED
LATCHING SPEED
BACKCHECK
FINAL ADJUSTMENT AND REGULATING PROCEDURE
NOTE: ORIENT TRACK SO STOP PIN IS
ON HINGE SIDE OF DOOR
421 CLOSERS ARE
FIELD ADJUSTABLE
FOR SIZES 1-6