Before you begin, survey your garage ares to see whether any of the conditions below apply to your installation.
in chain thns_on is normal when
garage door is dosed.
Header
Wa!l
One-Piece Door Without Track
FINISHED CEILING
Support bracket
& faslening
hardware is required.
See page t7.
Closed Position
Cable
Pultey Bracket | Cable | Trolley |
/
Bracket
O
DoorSrac_xet
Release
Door
Arm
Coot
) betweenfloorand bottom ReversingSensor of doormustnot exceed I/4".
Safety Reversir_ Sensor
Based on your particular requirements, there are several installation steps which might call for materials and/or hardware not included in the carton.
•Step 1, page 13 - Look at the wall or ceiling above the garage door. The header bracket must be securely fastened to structural supports.
•Step 5, page 17 - Do you have a finished ceiling in your garage? If so, a support bracket and additional fastening hardware (not provided) may be required.
•Safety reversing sensor, page 21 - Depending on garage construction, wood blocks may need to be
securely fastened to mounting locations before sensors are installed.
•Step 10, page 22 - Alternate floor mounting of the safety reversing sensor will require hardware that is not provided.
•Step 11, page 25 - Generally, a
•Step 11, page 25 - Depending on your door's construction, you might need additional mounting hardware for the door bracket.
•Do you have an access door in addition to the garage door?. If not, Model 53702 Emergency Key Release is required. See page 38.
•The gap between the bottom of the garage door and the floor cannot exceed 1/4".
Otherwise, the safety reverse system may not work properly. See page 30. The floor or the door should be repaired.
One-Piece Door With Track
Floormust be level Revering
Safety acrosswidthof door
ReversingSensor
Closed Position
CableCable TrolleyChain
I mL"
_'//.I"saor s_ig_t _ P,ele=se
Door
You may find it helpful to refer back to this page as you proceed with the Installation of your opener.
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