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Planning(Continued)
ONE-PIECEDOORINSTALLATIONS
* 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
KILLEDby a closing garagedoor.
* The gap between the bottom of the garage door and the
floor MUST NOTexceed1/4" (6 mm). Otherwise, the safety
reversalsystem may NOTwork properly.
* The floor or the garage door MUST be repairedto eliminate
the gap.
ONE-PIECEDOORWITHOUTTRACK FINISHEDCEILING__
Support bracket _ _ ._-"_
& fastening _ _l_r _'
hardware is required. See "_
page 16.
Header Rail
W_sr
-- -_]1_-----f-_ is'c'lo_;d'................ Motor Unit
__L_ _ Wall-mounted Door
____,,,_- _-- __1 Door Bracket
Safety Reversing
Gap between floor Sensor
t and bottom of door must
Safety Reversing Sensor not exceed 1/4" (6 mm)
Door
CLOSED POSiTiON
Cable Trolley
Curved
Door
Arm
Emergency
Release
Rope & Handle
ONE-PIECEDOORWITH TRACK
Gap between floor and
bottom of door must not Sensor
l
Safety exceed 1/4" (6 mm)
Reversing Sensor
CLOSED POSITION
Rail Tab Cable Trolley
Chain
Rail
e Door
Straight
DoorArm
Emergency
Release
& Handle
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