Planning - Craftsman Garage Door Opener Owner's 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 SERIOUSLYINJURED
or KILLED by a closing garage door.
• The gap between the bottom of the garage door and the
floor MUST NOT exceed1/4" (6 mm). Otherwise, the safety
reversal system may NOTwork properly.
• The floor or the garage door MUST be repairedto eliminate
the gap.
ONE-PIECE DOOR WITHOUT TRACK
FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 16.
i
t
Safety Reversing Sensor
Header Wall
Rail
Slack in chain tension is
normal when garage
door is closed.
Wall-mounted
Door Control
oor O
Safety_.____________
Sensor
Gap between floor
and bottom of door must not exceed 1/4" (6 mm)
Motor Unit
CLOSED POSITION
Trolley Stop Bolt
Cable
leader
Vail Door
Curved
Door
Arm
Trolley
Emergency
Release
Rope & Handle
CLOSED POSITION
_ Trolley Stop Bolt Cable
de U
-- Header Curved
Bracket DoorArm j / L_
Door
°°°°°°1°°°°°>
_ Bracket Straight
Door
Y/"TJ_ Garage Arm
://_1 Door
Reversing
Gap between floor ...... I
S_llbu/
Safety .
- must not exceed 1/4" (6 mm) I
Heverslng _ensor j
Chain
Emergency
Release
i Rope &
Handle
Rail