Assembly Section: Pages; Assemble T-Rail; Attach Cable Pulley Bracket - Craftsman Sears 139.18865 Manuel Du Propriétaire

Assemble Tee Rail & attach Cable Pulley Bracket Assemble Tee Rail & attach Cable Pulley Bracket
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
Hex Screws Hex Screws
sure the "arrow label" on the center section is
5/16"-18x7/8"
5/16"-18x7/8"
Cable Pulley
pointing toward the door.
Bracket
• 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.
Lock Washer
5/16"
Nut Nut
5/16"
5/16"
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
Brace
T-rail
(End Section)
T-rail
T-rail Cable pulley bracket
attaches to FRONT
END of T-rail
Square Carriage
Square Carriage
Bolt Holes
Bolt Holes
T-RAIL FRONT T-RAIL FRONT
(TO DOOR)
(TO DOOR)
Hardware Shown Actual Size
Lock Nut
1/4"-20
Hex Screw
5/16"-18x7/8"
Assemble Tee Rail & attach Cable Pulley Bracket
Assembly Section: Pages 8 – 11
4/16/89 - 6/27/89 - 3/9/92 - 4/13/92
SEARS '92 (525)
SEARS '92 (525)
4/16/89 - 6/27/89 - 3/9/92 - 4/13/92 4/16/89 - 6/27/89 - 3/9/92 - 4/13/92
Hex Screws
5/16"-18x7/8"
Nut
5/16"
T-rail
T-rail
(Center Section)
(Center Section)
Brace
Square Carriage
Bolt Holes
T-RAIL FRONT
(TO DOOR)
Carriage Bolts
1/4"-20x1/2"
Nut
5/16"-18
SEARS '92 (525)
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.
(End Section) (End Section)
1/4'' Lock Nut
1/4'' Lock Nut
Brace
T-rail
(Center Section)
Brace
Brace
• Position the cable pulley bracket on the front end of the
T-rail as shown. Fasten securely with the hardware.
Lock Washer
5/16"
Cable pulley bracket
attaches to FRONT
8
Right
T-RAIL BACK
T-RAIL BACK
(End Section)
(TO OPENER)
1/4'' Lock Nut (TO OPENER)
T-rail
T-rail
Carriage Bolt
Carriage Bolt
1/4"-20x1/2" 1/4"-20x1/2"
Cable Pulley
Bracket
Lock Washer
5/16"
5/16"
Right
Right Wrong
Right T-rail Wrong
Right Wrong
(End Section)
END of T-rail
Wrong
T-RAIL BACK
(TO OPENER)
T-rail
Assemble Tee Rail & at
Carriage Bolt
1/4"-20x1/2"
4/16/89 - 6/27/89
Hex Screws
5/16"-18x7/8"
Nut
When
tightening the
Brace
screws, be
sure to keep
bracket parallel
Wrong
to the rail.
Otherwise, the
rail may bow
when opener is
operated.
Square Carriage
Bolt Holes
SEARS
T-rail
(Center Se