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9
ASSEMBLY STEP 1
For Sectional and
One-Piece Doors ONLY
Assemble the T-Rail and
Attach the Chain Pulley Bracket
To avoid installation difficulties, do not run the
garage door opener until instructed to do so.
1. Place the 3 T-rail sections on a flat
surface for assembly. The end
sections are identical. The center
section must be positioned with the
braces against the end sections as
shown. Make sure the "directional
arrow" on the center section is
pointing toward the front (to door).
Study the illustration carefully.
2. Bolt rail sections together with the
hardware illustrated and from the
direction indicated. (When assembled,
T-rail has a front-to-back position as shown.)
NOTE: If T-rail is not assembled exactly as shown,
trolley will not travel smoothly along length of rail
or it will hit against nuts.
3. Position the chain pulley bracket on the front end
of the T-rail as shown. Fasten securely with the
hardware provided.
NOTE: When tightening the bolts be sure to keep
bracket parallel to the rail. Otherwise, the rail may
bow when the opener is operated.
Lock Nut
1/4"-20
Carriage Bolts
1/4"-20x1/2"
Hex Bolt
5/16"-18x7/8"
Nut
5/16"-18
Lock Washer
5/16"
HARDWARE
SHOWN ACTUAL SIZE
Rail
(Center Section)
1/4'' Lock Nut
RAIL FRONT
(TO DOOR)
Chain pulley bracket
attaches to FRONT
END of Rail
Rail
(End Section)
RAIL BACK
(TO OPENER)
Rail
(End Section)
Carriage Bolt
1/4"-20x1/2"
Brace
Brace
Square Carriage
Bolt Holes
TO
G
ARAGE D
O
O
R
Hex Bolts
5/16"-18x7/8"
Rail Bracket & Rail Must Be Aligned
Lock Washer
5/16"
Nut
5/16"
Chain Pulley
Bracket
11 mm Socket Wrench
13 mm Socket Wrench