Craftsman 139.30437 Manual Del Propietário página 5

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 8.
• Dependingon your door's construction, you may need
additional mounting hardware for the door bracket (Step 8).
Without a properly working safety reversal system, persons
(particularly small children) could be SERIOUSLYINJUREDor
KILLED by a closing garage door.
• The gap between the bottom of the garage door and the
floor MUST NOTexceed 1/4" (6 mm). Otherwise, the safety
reversal system may NOTwork properly.
• The floor or the garage door MUST be repaired to eliminate
the gap.
ONE-PIECE DOORWITHOUTTRACK FINISHED CEILING
Support bracket
& fastening
hardware is required. See
page 16.
Rail
Header Wall I
I and bottom of door must
Safety Reversing Sensor not exceed 1/4" (6 mm)
Gap between floor
Slack in chain tension is
normal when garage door
is closed.
Wall-mounted Door
Safety Reversing
Sensor
Motor Unit
Trolley Stop Bolt
CLOSED POSITION
Cable Trolley
Curved
Door
Arm
Door
Emergency
Release
Rope & Handle
_-°nruass _ dn ot _!!!sing _ I
Reversing
Gap between floor and ..... I
S_HbU/
Safety
exceed 1/4" (6 mm)
Reversing Sensor J
CLOSED POSITION
Trolley Stop Bolt Cable Trolley
Chain
Rail
e Door
Straight
DoorArm
Emergency
Release
& Handle