Craftsman 139.53315SR Garage Door Opener User Manual


 
Assembly
TO AVOID INSTALLATION DIFFICULTIES, DO NOT RUN THE GARAGE DOOR OPENER UNTIL INSTRUCTED TO DO SO.
STEP 1 Assemble Tee Rail & Attach Cable Pulley Bracket
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CAUTION: Do not tighten the lock nuts until bolt necks
ate seated in square holes, _14"Lm_kNut
The end sections of the rail MUST be
connected to the center section from
the direction shown in the illustration,
Otherwise, the trolley will hit against
the nut when installed (Pg. 7).
PROCEDURE: Place the 3 Tee ral! sections on a fiat
surfac_ for assembly. THIS IS IMPORTANT. The end
sections are identical. THE CENTER SECTION BRACES
MUST BE POSITIONED AGAINST THE END SECTIONS
AS SHOWN° Make sure that the "directional arrow"is
pointing toward the fTont(to door)_ Study the illustration
CAREFULLY.
(When assembled, Tee rail has a front-to-back position as
shown.)
Bolt rail sections together with the hz_lware illustratedand
from Ihe direction indicated.
SQUARE NECKS ON THE CARRIAGE BOLTS MUST BE
SEATED IN THE SQUARE HOLES IN RAIL SECTIONS.
Tea P_t
(End Section)
FRONT
(TODOOR)
= ,
6
Position the cable pulley bracket on front end of tee rail
as shown. Fasten securely with the hardware provided,
IMPORTANT: When tightening screws, be sure to keep
bracket parallel to rail. Otherwise, rail m_rf bow when
opener is operated.
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