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

 

 

Cable Pulley

 

 

& Attach the Cable Pulley Bracket

Bracket

 

Aligned

 

Be

 

 

Align the 4 T-rail sections on a flat surface exactly as shown. Center sections are interchangeable. Front and back sections are also interchangeable for ease of assembly.

Insert the carriage bolts so the square bolt necks seat in the square holes in the T-rail sections and pass through the round holes in the rail braces.

Assemble lock nuts, ensure alignment and tighten.

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.

Cable pulley bracket

 

attaches to FRONT

 

END of T-rail

T-rail

 

 

(End Section)

T-RAIL FRONT

(TO DOOR)

Position the cable pulley bracket on the front end of the T-rail as shown. Fasten securely with the hardware shown.

Hex Screws

5/16"-18x7/8"

T-RAIL BACK (TO OPENER)

Square Carriage

Bolt Hole

1/4" Lock Nut

T-rail

(End Section)

 

Carriage Bolt

 

1/4"-20x1/2"

T-rail

 

(Center Section)

 

 

Make sure bolt

 

necks are

 

seated in the

 

square holes

 

and rails are

 

aligned before

Right

you tighten lock

nuts. (See right

 

and wrong

 

views).

 

Improper

 

assembly can

 

cause jerky

 

trolley

 

operation, noise

Wrong

and/or nuisance

door reversals.

Hardware Shown Actual Size

Wrong

Lock Nut

Carriage Bolts

1/4"-20

1/4"-20x1/2"

Hex Screw

Nut

Lock Washer

5/16"-18x7/8"

5/16"-18

5/16"

Cable Pulley

Bracket

Lock Washer

5/16"

 

 

 

Aligned

 

When tightening

 

 

 

 

the screws, be

 

 

 

 

 

 

 

Be

 

 

sure to keep

Rail

Must

 

 

 

bracket parallel

 

 

 

 

to the rail.

&

 

 

 

 

Bracket

 

 

 

 

Otherwise, the

 

 

 

 

 

 

 

 

 

 

rail may bow

 

 

 

Right

Wrong

when the opener

Nut

 

 

is operated.

5/16"

 

 

 

 

 

8