Chamberlain LiftMaster PROFESSIONAL SL930 Owner's Manual page 10

Heavy duty commercial slide gate operator
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Installation Continued...
POSITION GATE OPERATOR
6
ANCHOR THE OPERATOR
7
THREADING THE CHAIN
8
simply bolt the gate operator to the stand. If
the operator will be mounted to a concrete
surface or pad, place the shortest edge of the
operator 4" away from the edge of the
driveway. Place the longer edge of the gate
operator 2-1/2" away from the gate.
positioned on the concrete surface or pad,
mark the base hole locations onto the
cement with a felt tip marker or equivalent.
Once marked, move the operator to the side
and drill the 4 holes using a 3/8" masonry bit.
Place the operator back into position. Insert
the four sleeve anchors into the holes and
firmly tighten.
attached, the chain may now be connected to
the gate and operator. Begin by threading the
chain through the sprockets. The sprockets
come arranged as shown so that the chain
may be threaded under the idler sprockets
and over the drive sprocket. Alternately, the
chain may be threaded over the idler sprock-
ets and under the drive sprocket by moving
the idler sprockets to the alternate positions
above. Note: the cover will need to be modi-
fied for the alternate arrangement.
pg 10
If the steel mounting stand was used,
When the gate operator is correctly
Now that the operator is firmly

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