Chamberlain LiftMaster PROFESSIONAL SCS200 Instructions Pour Le Montage Et L'utilisation page 21

INSTALLATION OF FITTINGS
First read all of the following 3 sections. It is important for the motor to
be installed horizontally. The space between pillar and gate "Tensioning
distance" is crucial for later operation. Precision is necessary. If you are
not sure , attach fittings to the motor on a trial basis, hold it against the
gate and measure for best position. Allow for sufficient time during this
phase of installation. (Asking someone to help will ease installation
process.)
PILLAR FITTING
The correct position of the pillar fitting is crucial for later
operation of the application.
It determines the distance between pivot of the motor to pivot of the
gate and therefore the opening angle.
They are called dimension A and dimension B.
Do not underestimate the influence of these dimensions on function
and operation. You must achieve the best dimension for the opening
angle under all circumstances and as precisely as possible. See table
for dimensions A/B.
If pillar is not wide enough, an adapter plate must be made (A). If pillar
is too wide it must be recessed (C) or the gate must be relocated (B).
NOTE: It is imperative to meet Dimension A and B,
otherwise the operator may touch the gate with its front
housing. If so, Dimension A and B must be adjusted.
INSTALLATION:
Instead of steel- or plastic – expanding anchors, which are less
suitable, use adhesive-composite anchors, where a set screw is glued
into brickwork free of stress. With pillars made of bricks a larger steel
plate (covering a few bricks) should be attached allowing for the hinge
plate to be welded to it.
The pillar fitting has 3 drilled holes for the installation of the motor.
Normally the outer drilled hole is used. If pillar is wider, the inner ones
can also be used. In this case the fitting must be shortened in order for
the motor not to be damaged.
GATE FITTING
With steel gate the fastenings should either be welded on or drilled
through completely. If drilling then attach large washers or a plate to
the back of the frame. The force transferred from the motor to this
connection is very high.
With wooden gates the gate frame has to be drilled through
completely where the fittings are to be fastened. Wood gives under
pressure and screw joints will loosen. Under on going pressure and
movement the wood will keep on giving until the gate does not close
correctly anymore and repair becomes necessary.
Attach reinforcement plate on the outside and inside of the gate in
order to prevent wood from giving and the connection to become
loose.
Thin wooden gates without metal frame must be reinforced
additionally, as they do not withstand the strain otherwise.
B
A
For opening angle: 90° - 105°
Dimension A: 12 -13 cm
Dimension B: 13 -14 cm
C
A
A
A
min 6x50