Chamberlain 5100-2K One-PieceDoor With Track, ONE-PIECEDoor Installation, One-PieceDoor Without Track

ONE-PIECE Door Installation One-Piece Door Without Track

Before you begin, survey your garage area to see whether any of the conditions below apply to your installation.

Slack in chain tension is normal when garage door is closed.

FINISHED CEILING Support bracket

&fastening hardware is required. See page 17.

Header

Wall

Access Door

Safety Reversing Sensor

Gap between floor and bottom

of door must not exceed 1/4"

Safety Reversing 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 supplied) 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 one-piece door does not require reinforcement. If your door is lightweight, you can refer to the information relating to sectional doors on page 24.

•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 7702CB Outside Quick 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.

Closed Position

Cable
Pulley Bracket	Cable	Trolley

Header

Bracket T-rail

Door Bracket

Manual

Release

Straight Curved Rope & Handle

Door Door

Arm Arm

Header

Wall

Garage

Door

One-Piece Door With Track

Slack in Chain Tension

is Normal When

Garage Door is Closed.

Access

Door

		Safety
	Floor must be level	Reversing
Safety		Sensor
	across width of door

Reversing Sensor

Closed Position

	Cable	Cable	Trolley	Chain
Header	Pulley Bracket
Wall
	Header	Curved
	Bracket Door Arm			T-Rail
	Door			Manual Release
		Straight		Rope & Handle
Garage	Bracket	Door
Door		Arm

You may find it helpful to refer back to this page as you proceed with the installation of your opener.

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