Craftsman 13953992 garage door opener

User Manual - Page 10

For 13953992.

PDF File Manual, 76 pages, Download pdf file

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ASSEMBLY STEP 2
Fasten the Rail To the Motor Unit
and Install the Trolley
NOTE: To aid in assembly and installation, replace
the foam packing around the motor unit. Remove it
after Installation Step 5.
Working on a level surface, align the rail assembly
with the motor unit, as shown.
Slip the coupling over the rail sprocket.
Slide the rail through the motor unit bracket until
the coupling fits securely over the motor unit
sprocket.
Align the two bolt holes in the rail with those in the
motor unit bracket. Insert two 1/4"-20x5/8" hex
bolts and lock nuts. Tighten securely with a 7/16"
socket wrench.
Slide the trolley onto and along the bottom of the
rail until it snaps firmly in place. Be certain to
install it facing correctly: the trolley release
arm must be horizontal (lock position), with its
arrow pointed away from the motor unit.
Lock Nuts
1/4"-20
HARDWARE SHOWN ACTUAL SIZE
Lock Nut
Hex Bolt 1/4" - 20
1/4" - 20 x 5/8"
©
Motor Unit
Sprocket
Motor Unit
Bracket
Rail
Assembly
Coupling
Rail
Sprocket
Foam Packaging
Hex Bolts
1/4"-20x5/8"
Trolley
Release arm
Arrow must point
toward garage door
10
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