SNAP VALVE ADJUSTMENT
WRENCH INSIDE COVER
6
7
BACKCHECK OR DELAYED ACTION
NOTE: DELAYED ACTION IS AN OPTIONAL FEATURE.
DECREASE
1
Closing the
control when extra time is required to pass through
Optional delayed action offers additional closing speed
advances the backcheck range approximately 15°.
backcheck positioning valve (clockwise turns)
the door. All valve adjustments are made with a 3/32"
CAUTION: DO NOT REMOVE VALVES.
DELAYED ACTION
BACKCHECK RANGE
SWEEP (SPEED)
INCREASE
(SPEED)
LATCH
RANGE
(TIME)
ACTION
DELAYED
hex key.
SWEEP & LATCH
POSITIONING VALVE
BACKCHECK (INTENSITY)
RANGE
LATCH
SWEEP
RANGE
DECREASE
INCREASE
door and objects behind the door.
should take a minimum of 1.5 seconds. Backcheck
under control during the opening cycle protecting the
intensity should be adjusted to insure that the door is
Closing time from 15° to fully closed (latch range)
generally adjusted to take a minimum of 3 seconds.
Closing time from 90° to 15° (sweep range) is
Adjust sweep, latch and backcheck valves.
(2)
TAB
QTY
NOTE: LEFT HAND INSTALLATION SHOWN. RIGHT
HAND IS A MIRROR IMAGE.
Place cover over closer and fasten securely with
Place tab in cover slot opposite main arm.
screws provided.
08280131
2 of 2
09/09
INS NO.
PAGE
Rev.
