M2.5 HEX KEY
Place the hold open
mechanism in desired
position and tighten screw.
SNAP VALVE ADJUSTMENT
WRENCH INSIDE COVER
08280161
3 of 3
09/09
INS NO.
PAGE
Rev.
7
9
To adjust hold open
force, turn clockwise to
increase force, and
counter clockwise to
To enable hold open,
push the white slide into
the hold open mechanism.
To disable hold open,
A
B
C
(HOLD OPEN UNITS ONLY)
Set hold open.
weaken force.
M2.5 HEX KEY
OFF
ON
pull the white slide away
from hold open mechanism.
BACKCHECK OR DELAYED ACTION
NOTE: DELAYED ACTION IS AN OPTIONAL FEATURE.
DECREASE
control when extra time is required to pass through
Optional delayed action offers additional closing speed
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
should take a minimum of 1.5 seconds.
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 and latch valves.
8
(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.
