7
Assembly Step 1
Assemble the T-rail and
Attach Cable Pulley Bracket
PROCEDURE: Place the 3 T-rail sections on a flat
surface for assembly. THIS IS IMPORTANT. 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.
(When assembled, T-rail has a front-to-back
position as shown.)
Bolt rail sections together with the hardware
illustrated and from the direction indicated.
T-rail
(Center Section)
1/4'' Lock Nut
T-RAIL FRONT
(TO DOOR)
Cable pulley bracket
attaches to FRONT
END of T-rail
T-rail
(End Section)
T-RAIL BACK
(TO OPENER)
T-rail
(End Section)
Carriage Bolt
1/4"-20x1/2"
Brace
Brace
Square Carriage
Bolt Holes
TO G
ARAG
E DO
OR
Tornillos
5/16"-18x7/8"
Polea final
El soporte y riel deben estar paraleles
Rondana
5/16"
Tuerca
5/16"-18
The center rail section MUST
be connected to the end rails
from the direction shown.
Otherwise, trolley will hit
against the nut when installed.
Make sure bolt necks are seated in the
square holes and rails are aligned before you
tighten lock nuts. (See right and wrong
views). Improper assembly can cause jerky
trolley operation, noise and/or nuisance door
reversals.
Right
Wrong
Right Wrong
When tightening
the screws, be
sure to keep
bracket parallel
to the rail.
Otherwise, the
rail may bow
when opener is
operated.
Lock Nut
1/4" - 20 x 7/16"
Carriage Bolts
1/4" - 20 x 1/2"
Hex Screw
5/16" - 18 x 7/8"
Nut
5/16" - 18
Lock washer
5/16"
Hardware Shown Actual Size
Position the cable pulley bracket on the front end of the
T-rail as shown. Fasten securely with the hardware
provided.
SQUARE NECKS ON THE CARRIAGE BOLTS
MUST BE SEATED IN THE SQUARE HOLES IN
RAIL SECTIONS.
Cable Pulley Bracket
Hex Screws
Lock Washer
5/16”
Nut
5/16”
Rail B
racket & T-rail M
ust Be Aligned
TO AVOID INSTALLATION
DIFFICULTIES, DO NOT RUN THE
GARAGE DOOR OPENER UNTIL
INSTRUCTED TO DO SO.
WARNING
CAUTION
WARNING
WARNING