Position The Opener - Craftsman 139.53675SRT Owner's Manual

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Installation Step 4
Position the Opener
=ollow Instructions which apply to your door
type as illustrated.
A 2x4 laid flat Is convenient for setting an ideal
door-to-T-rail distance.
• Raise the opener onto a stepladder.
You will need help at this point ff the/adder is
not tall enough.
• Open the door aJlthe way and place a 2x4 laid flat
on the top section beneath the T-raiL
If the top panel hits the trolley when you raise
the door, pull down on the trolley release arm to
disconnect the inner and outer sections. The
trolley can remain disconnected until Step 12 is
completed.
Door
• With the door fully open and parallel to the floor,
measure the distance from the floor to the top of
the door.
• Using a stepladder as a support, raise the opener
to the same distance as the door from the floor (it
will be at a slight angle as shown).
o The top of the door should be level with the top of
the opener. Do not position the opener more than
2" above this point.
Top of Opener
16