Position The Opener; One-Piece Door Without Track - Craftsman 139.53925DS Manual Del Propietário

mNSTALLATiON 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 setling an ideal door-to-rail
distance,.
,, Remove foam packaging
- 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 section or panel hits the trolley when you raise
the door, pull down on the trolley release arm
to disconnect inner and outer sections.. Slide the outer
trolley toward the motor uniL The trolley can remain
disconnected until Installation Step 13 is completed..
Trolley
Release Arm
RELEASED
ONE-PIECE DOOR WITHOUT TRACK
A 2x4 on its side is convenient for setting an ideal door-to-
rail distance°
- Remove foam packaging°
o 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 on its side
on the top section of the door beneath the rail..
• The top of the door should be level with the top of the
motor unit,.Do not position the opener more than 4"
(10 cm) above this point,.
i
2x4 isusLd t o
determine
the correct mounting height
from ceiling,
18