Sears 139.53968SRT 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 properlyworkingsafetyreversalsystem,
persons(particularly small children) could be
SERIOUSLYINJUREDor KILLEDbya closing garage
door
Thegapbetweenthe bottomof the garagedoorand
the floor MUSTNOTexceed1/4". Otherwise,thesafety
reversalsystemmay notwork properly.
Thefloor or thegaragedoor MUSTberepairedto
eliminatethe gap.
ONE-PIECE DOOR WITHOUT TRACK
Header Wall
FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 17
Rail
Motor unit
Safety Reversing Sensor
Wall-mounted
Door Control
Access I /
Door ['t]
ol
Sensor
Gap between floor
and bottom ofdoor must not exceed 1/4".
CLOSED POSITION
Trolley Stop Bolt Cable Trolley
I
Bracket
Door Bracket
Rail
Cu_ed
Door Door
Arm Arm
}eader
Vail Garage Door
Emergency
- Release
Rope & Handle
ONE-PIECE DOOR WITH TRACK
Floor must be level
ss widthof door
Safety
Reversing Sensor
Access I
Door I
Ol
feb
Reversing
Sensor
CLOSED POSITION
Trolley Stop Bolt Cable Chain
Curved
Bracket Rail
Emergency
Bracket Straight Release
Door Handle
Arm
Door
5