Position The Opener - Craftsman 139.53965SRT Manual Del Propietário

INSTALLATION STEP 5
Position the Opener
Follow instructions which apply to your door type as
illustrated.
SECTIONAL DOOR OR ONE-PIECE DOOR WITH
TRACK
A 2x4 laid flat is convenient for setting an ideal door-
to-rail distance.
• Raise the opener onto a stepladder. You will need
help at this point if the ladder is not tall enough.
• Open the door all the way and place a 2x4 laid flat
on the top section beneath the rail.
• If the top panel hits the trolley when you raise
the door, pull down on the trolley release arm
to disconnect inner and outer sections.
The trolley can remain disconnected until Step 13
is completed.
To prevent damageto garage door, rest garage door
opener rail on 2x4 placed on top section of door.
Header 2x4
Bracket
o o -- Trolley
_© ©
_[._._ Trolley
Release Arm
ONE-PIECE DOOR WITHOUT TRACK
• 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 this height.
• The top of the door should be level with the top of
the motor unit. Do not position the opener more
than 3" above this point.
Header
Bracket
19