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Assembly Step 1
Attach the Rail to the Opener
• Place the opener on packing material to protect
the cover.
• Remove the (2) 5/16"-18x1/2" washered screws
mounted in the top of the opener.
• Align rail at an angle with opener so one hole in
rail and opener line up.
• Thread one of the washered screws part way in.
Use only these screws! Use of any other screws
will cause serious damage to door opener.
• Cut tape from rail, chain and styrofoam.
• REMOVE STYROFOAM.
Assembly Step 2
Attach the Chain to the Sprocket
& Install the Rail Support Bracket
• Guide the chain over chain spreader and opener
sprocket. If necessary, loosen the outer nut on the
trolley to obtain more chain slack. Insert the
second washered screw. CAUTION! Use only the
screw previously removed from opener.
• Tighten both screws securely through the rail into
the opener as shown.
Washered Screw
5/16"-18x1/2"
USE ONLY THIS
TYPE AND SIZE
SCREW
Chain
Opener
Assembly Section: Pages 6 – 7
O
Chain
Spreader
Sprocket
Use only those screws mounted in the top of
the opener. Any other screws will cause
serious damage to the opener.
USE ONLY THIS
TYPE AND SIZE
SCREW
Rail
Chain
Hardware Shown Actual Size
Hex Screw
Washered Screw
1/4"-20x5/8" (2)
5/16"-18x1/2" (4)
• Position the rail support bracket on the opener.
• Attach the bracket to the rail with 1/4"-20x5/8" hex
screws and lock washers.
• Attach the bracket to the opener by inserting a
5/16"-18x1/2" washered screw through a hole in
each opener side flange and a matching hole in the
bracket. Complete the connection by inserting the
#8-32x3/8" screw through the opener back flange
and the hole in rail support.
1/4"-20x5/8" Hex Screws
with Lock Washers
5/16"-18x1/2"
Washered Screw
Rail Support
Bracket
Opener
6
WARNING
Washered Screw
5/16"-18x1/2"
Styrofoam
Rail
Packaging
Hole
Opener
Screw
Lock Washer (2)
#8-32x3/8" (1)
#8-32x3/8"
Screw
5/16"-18x1/2"
Washered Screw
Opener
Back Flange
Opener
Side Flange
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