MAINTENANCE AND ADJUSTMENT
Keep the door tracks, torsion springs, track rollers, shaft bearings and chain connecting the operator
to the door shaft, lubricated monthly. Tighten track bolts holding operator to the track periodically as
well as checking tightness of the bolts holding the operator track bracket and top plate. Check to
ensure correct plumbness with torsion shaft and sprocket.
There are three main adjustments to be made on an air-powered operator.
1. Chain Tensioner (Turnbuckle)
The chain on the operator has a turnbuckle, which is used to connect and
tighten the chain. It is also used when you want to disconnect the operator
from the door shaft. As the chain stretches with age this turnbuckle may
need to be tightened.
DO NOT OVER TIGHTEN!
Over tightening will
cause early bearing failure on the door.
2. Air Filter - Regulator
The combination filter/regulator assembly controls the air
pressure to both cylinders. It may be adjusted by pulling the knob up
and turning clockwise or counter-clockwise (Clockwise to increase
PSI,
50 - 70 PSI Recommended
).
62 PSI is common.
Heavier doors may need to have the pressure increased, but if you
must exceed 90 PSI you probably have a door problem.
Replacing the filter in the regulator is recommended every 6 months.
3. Door Speed
The air-powered operator is designed to start slow, move
rapidly through the middle range of operation, and slow to a
gentle close. Decreasing the air pressure coming into the opera-
tor as described in the above Air filter-regulator adjustment can
control the doors intermediate speed. The stopping speed is
controlled by the flow controls located on the flow control kit.
*DO NOT IGNORE YOUR AIR COMPRESSOR!
Filter Regulator
Adjustment
Knob
From Bottom of Cylinder
Flow Control
Adjustment
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your air compressor that
should be opened to let water
out of your tank.
(Daily attention may be required).
Automatic drains
are available for your compres-sor as well as in-line air dryers;
all you need to do is contact your local
compressor dealer.
Also
available from American Garage Door Supply, Inc.
is a large volume water
separator for those appli-cations that require much larger water separation.
7
he inline liquid separator
Ishould be checked and cleaned monthly.
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