Planning

Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this page and the accompanying illustrations as you proceed with the installation of your opener.

Depending on your requirements, there are several installation steps which may call for materials or hardware not included in the carton.

Do you have an access door in addition to the garage door? If not, Model 7702C Emergency Key Release is required. See Accessories page.

Look at the garage door where it meets the floor. Any gap between the floor and the bottom of the door must not exceed 1/4" (6 mm). Otherwise, the safety reversal system may not work properly. See Adjustment Step 3. Floor or door should be repaired.

• Installation Step 1 – Look at the wall or ceiling above

SECTIONAL DOOR INSTALLATIONS

 

the garage door. The header bracket must be securely

 

• Do you have a steel, aluminum, fiberglass or glass

fastened to structural supports.

• Installation Step 5 – Do you have a finished ceiling in

panel door? If so, horizontal and vertical

reinforcement is required (Installation Step 11).

your garage? If so, a support bracket and additional

• The opener should be installed above the center of the

fastening hardware may be required.

• Installation Step 10 – Depending upon garage

door. If there is a torsion spring or center bearing plate

in the way of the header bracket, it may be installed

construction, extension brackets or wood blocks may

within 4 feet (1.22 m) to the left or right of the door

be needed to install sensors.

center. See Installation Steps 1 and 11.

• Installation Step 10 – Alternate floor mounting of

• If your door is more than 7 feet (2.13 m) high, see rail

the safety reversing sensor will require hardware not

extension kits listed on Accessories page.

provided.

 

 

SECTIONAL DOOR INSTALLATION

FINISHED CEILING

 

Horizontal and vertical reinforcement

 

Support bracket &

 

is needed for lightweight garage

 

fastening hardware

 

doors (fiberglass, steel, aluminum,

 

is required.

 

door with glass panels, etc.).

 

See page 15.

 

See page 23 for details.

 

 

 

Header Wall

 

 

 

Extension

 

Torsion Spring

OR Spring

Motor unit

 

 

Safety Reversing Sensor

Vertical

Centerline

of Garage Door

Gap between floor and bottom of door must not exceed 1/4" (6 mm).

Wall-Access

Mounted Door

Door

Control

 

Header

Trolley

 

CLOSED POSITION

 

Bracket

Stop Bolt

Trolley

 

 

 

 

Safety Reversing

 

 

 

 

Sensor

Garage

 

 

 

 

 

 

 

 

Door Spring

 

Belt

 

 

Straight

Emergency

 

 

Release Rope

 

 

Door

 

& Handle

Header

 

Arm

 

 

 

 

 

 

Wall

Door

Curved

Garage

Bracket

Door Arm

Door

 

 

 

 

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