Assembly Section: Pages; Assemble T-Rail; Attach Cable Pulley Bracket - Craftsman 139.53661SRT1 Owner's Manual

Assembly Section: Pages 8- 11
To avoid installation difficulties, do not run the garage door opener until instructed to do so.
Assembly Step I
Assemble the T.rail & Attach
the Cable Pulley Bracket
• Align the 3 T-rail sections on a fiat surface exactly
as shown. 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
end pass through the round holes in T-rail center
section. Assemble lock nuts, ensure alignment and
tighten.
If T-rail is not assembled
EXACTLY as shown, trolley I
will not travel smoothly ]
along length of rail or it will
hit against the nuts. I
Brace
Make sure bolt necks are
seated In the square _
holes end rails are _ _k A_P'-"-"-'_I'--_
aligned beforeyou _ _ t
• • I •
.omenlo (Sas __ . | / •
i right and wrong views). '_k J '_
iImproper assembly can _
cause ]edo/trolley
operation,noise and/or Right Wrong
nuisancedoor reversals.
TRAIL BACK
(TO OPENER)
T.rail
(End Sec_on)
1/4" LockNut
Brace
T-raU
Cab_p._/brackst
attaches t oFRONT
ENDofT-ral Square Carthage
B_t Hole=
(TOsoon)
• Positionthe cable pufley bracket on the front end of the . •
T-r_q as shown. Fasten sscurely with _e hardware.
cab*, Pamy
Brad_
L=_ Wuhw
5/16"
s
Hardware Shown Actual Size
©
Lod_ N ut Cardage Sob
114"* 20 x 7116" 1/4" -20 x 1/2"
Hex Scrow Nut L_:k W_ner
5/16"- 18 x 7/8" 5/16" - 18 5/16"
Q hen tightening
the scraws, be
sure to keep
bracket parallel
to the mllo
Otherwlas, the
rail may bow
when opener is
Right Wrong operated.
8