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LCN FAST™ Power Adjust Makes
Setting Door Closer Spring Power Easy
PRINCETON, Illinois--May 30,
2001...A new spring power adjustment design from
LCN makes it fast and accurate to determine the
current door closer spring power setting and adjust
it to match door conditions. The new FAST™ Power
Adjust feature is standard on LCN 4040 Series door
closers. It allows installers to quickly identify
and adjust spring power using only an allen wrench.
Until now, the correct door closer spring adjustment
has been difficult to determine. Wide differences
in door conditions, such as interior vs. exterior
doors, friction from weather stripping, or positive
pressure from air conditioning, make on-site adjustment
necessary. Most installers, because they cannot
determine the correct spring power setting, simply
increase the latch speed when they encounter problems
with the door latching. However, this can put the
door out of control and negate the closer's function
of protecting all the components of the opening.
In a door closer, springs provide the power to close
the door, while the hydraulic regulation keeps the
door under control. Adjusting the spring power instead
of the hydraulic settings keeps the door in control
and eliminates problems with exit devices, locks,
hinges and other door elements. Most closers have
ample spring power available and can be adjusted
to provide considerably more closing power if required.
LCN door closers can be adjusted from Size 1 (the
lightest spring), which accommodates ADA closing
speed requirements to Size 6 (the strongest spring),
for very wide doors or doors that require more power
to close.
The new FAST Power Adjust improves closer installation
in two ways. On new or existing installations, a
bright green dial on the end of the closer body
lets the installer see the current spring power
setting at a glance. If adjustment is necessary,
it can be done quickly and easily with an allen
wrench. With the dial settings, the installer can
know the exact setting instead of randomly increasing
or decreasing the spring power. This makes door
closer installation faster, easier, and more accurate,
and helps to ensure code compliance. It also eliminates
a leading cause of callbacks and helps prevent door
damage.
For more information, call LCN at 800-526-2400.
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