Craftsman 13953916D garage door opener

User Manual - Page 8

For 13953916D.

PDF File Manual, 76 pages, Download pdf file

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ASSEMBLY STEP 1
Assemble the Raft & Install the Trolley
To avoid installation difficulties, do not run the garage door
openeruntil instructedto do so.
To prevent INJURY from pinching, keep hands and fingers
away from the joints while assembling the rail.
The front rail has a cut out "window" at the door end (see
illustration). The hole abovethis windowis larger on the top of
the rail than on the bottom. A sma//er ho/e 3-1/2" (8.9 cm) away
is close to the rail edge. Rotate the back rail so it has a similar
hole close to the oppositeedge, about 4-3/4" (12 cm) from the
far end.
1. Removethe straight door arm and hanging bracket packaged
inside the front rail and set aside for Installation Step 5 and 12.
NOTE:To prevent INJURY while unpacking the rail carefully
remove the straight door arm stored within the rail section.
2. Align the rail sections on a flat surface as shown and slide the
tapered ends into the larger ones. Tabs along the side will lock
into place.
3. Placethe motor unit on packing material to protect the cover,
and rest the back end of the rail on top. For convenience, put a
support under the front end of the rail.
4. As a temporary stop, insert a screwdriver into the hole
10" (25 cm) from the front end of the rail, as shown.
5. Checkto besure there are 4 plastic wear pads inside the inner
trolley. If they became loose during shipping, check all packing
material. Snapthem back into position as shown.
6. Slide the trolley assembly along the rail from the back end to
the screwdriver.
Trolley
End
3ered
End
Back Rails
(TO MOTOR UNIT)
End
Screwdriver
Tabs
Window
Cut-Out
Front Rail I
Idler (TO DOOR)
Hole
End
Inner Trolley 0__
_ Wear Pads
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