8
ASSEMBLY STEP 1
For Sectional and One-Piece Doors ONLY
Assemble the T-Rail and Attach the Chain Sprocket
Bracket
To avoid installation diffi culties, do not run the
garage door opener until instructed to do so.
1. Place the 3 T-rail sections on a fl at 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 sprocket 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"
Rail
(Center Section)
1/4'' Lock Nut
RAIL FRONT
(TO DOOR)
Cable 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
O
T
G
R
A
GA
D
EOO
R
Hex Bolts
5/16"-18x7/8"
Rail Bracket & Rail Must Be Aligned
Lock Washer
5/16"
Nut
5/16"
Cable Pulley
Bracket
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
Chain Sprocket
Bracket
Chain Sprocket Bracket
attaches to FRONT END
of Rail
HARDWARE
SHOWN ACTUAL SIZE
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