Sears 139.53915D Garage Door Opener User Manual


 
Planning (Continued)
ONE-PIECE DOOR INSTALLATIONS
Generally, a one-piece door does not require
reinforcement. If your door is lightweight, refer to the
information relating to sectional doors in Installation
Step 11.
Depending on your door's construction, you may need
additional mounting hardware for the door bracket
(Step 11).
Without a properly working safety reversal system, persons
(particularly small children) could be SERIOUSLYINJUREDor
KILLEDby a closing garagedoor.
Thegap betweenthe bottom of the garage door and the floor
MUSTNOTexceed 1/4"(6 mm). Otherwise,the safety
reversal system may not work properly.
Thefloor or the garage door MUSTbe repaired to eliminate
the gap.
ONE-PIECE DOOR WITHOUT TRACK
Header Wall
FINISHED
Safety Reversing Sensor
Support br_
& fastening
hardware is required,
See page 16,
I
Rail
/J
J
Wall mounted
Access DE_orControl
Door
f#
Safet' Reversing
Gap between floor Sensor
and bottom of door must not exceed 1/4" (6 mm),
Motor Unit
Trolley Stop Bolt
leader
Jail
CLOSED POSITION
Belt Trolley
Straight Curved
Door Door
Arm Arm
-- Garage
Door
Emergency
Rope & Handle
J ONE-PIECE DOOR WITH TRACK
Reversing Sensor
Door I
Reversing
Gap between floor Sensor
and bottom of door
must not exceed 1/4" (6 ram),
CLOSED POSITION
Trofley Stop BoA Belt Trotby
Header Curved
Bracket Door
Door
Straight
Door
Garage Arm
Door
Rail
Emergency
Release
Rope &
Handb