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Assembly Section: Pages 8 - 11
To avoid installation difficulties, do not run the garage door opener until instructed to do so.
Assembly Step 1
Assemble the T=rail &
Attach the Cable Pulley Bracket
• Place the 3 T-rail sections on a flat surface for
assembly. The end sections are identical. Make
sure the "arrow label" on the center section is
pointing toward the door.
• Insert the carriage bolts so the square bolt necks
seat in the square holes in the T-rail end sections
and pass through the round holes in T-rail center
section. Assemble lock nuts, ensure alignment and
tighten.
Make sure bolt necks are
seated in the square
holesandrailsare __
aligned before you
tighten lock nuts. (See
right and wrong views). I J
Improper assembly can
cause jerky trolley
operation, noise and/or
nuisance door reversals. Right Wrong
I
T-RAIL BACK
(TO OPENER)
T-raii
(End Section)
1/4" Lock Nut
\
@
Brace
If T=rail is not assembled
EXACTLY as shown,
trolley will not travel
smoothly along length of
rail or it will hit against
the nuts.
Brace
T-rail
(Center Section)
\
Carriage Bolt
1/4"-20xl/2"
T-rail
(End Section)
Hex Screws
5/16"- 18x7/8"
Cable pulley bracket
attaches to FRONT
END of T-raiI
Square Carriage
Bolt Holes
T-RAIL FRONT
(TO DOOR)
Hardware Shown Actual Size
©
Lock Nut Carriage BoIts
1/4"-20x7/16" 1/4"-20xl/2"
Hex Screw Nut Lock Washer
5/16"-18x7/8" 5/16"-18 5/16"
O
Lock Washer
5/16" Nut
5/16"
• Position the cable pulley bracket on the front end of the
T-rail as shown. Fasten securely with the hardware.
Right Wrong
When
tightening the
screws, be
sure to keep
bracket parallel
to the rail.
Otherwise, the
rail may bow
when opener is
operated.