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Chamberlain 2280-267, 2280-976 Planning, ONE-PIECEDOOR WITH TRACK, SECTIONAL DOOR INSTALLATION, ONE-PIECEDOOR WITHOUT TRACK

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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.

SECTIONAL DOOR INSTALLATION

Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum,

door with glass panels, etc.). See page 19 for details.

Header Wall

	—	Vertical
	—	Vertical
	—	Centerline
	—	Centerline
	—	of Door
	— — —
	— —

FINISHED CEILING

Support bracket & fastening hardware is required.

See page 12.

Motor Unit

Extension Spring
OR	Wall-
OR	mounted
Torsion Spring	Door
Torsion Spring	Control
Access Door
Safety
Reversing
Sensor

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

Safety Reversing Sensor

ONE-PIECE DOOR WITHOUT TRACK	FINISHED CEILING
ONE-PIECE DOOR WITHOUT TRACK
	Support bracket
	& fastening
	& fastening
	hardware is required.
	See page 12.

Motor Unit

Header

Wall

Wall- mounted Door Control

ONE-PIECE DOOR WITH TRACK

Safety

Reversing Sensor

Access

Door

Safety

Reversing Sensor

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

Safety

Reversing Sensor

Access

Door

Safety

Reversing

Gap between floor Sensor and bottom of door

must not exceed 1/4" (6 mm).

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Contents

For Residential Use Only Introduction Assembly Installation Adjustment Operation Preparing your garage door Tools needed Planning Carton Inventory Attach the Rail to the Motor Unit Set the Belt Tension Attach the Belt Cap Retainer Determine the Header Bracket Location Install the Header Bracket Attach the Rail to the Header Bracket Position the Opener Hang the Opener Install the Door Control Install the Light Attach the Emergency Release Rope and Handle Electrical Requirements Install The Protector System® INSTALLING THE BRACKETS Garage door track installation (preferred): Wall installation (Figure 2 & 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY SENSORS ALIGNING THE SAFETY SENSORS TROUBLESHOOTING THE SAFETY SENSORS Fasten the Door Bracket ONE-PIECEDOORS Metal Doors: Connect Door Arm to Trolley ALL ONE-PIECEDOORS 1.Assemble the door arm, Figure 4: 2.Adjustment procedures, Figure 5: •Open door adjustment: decrease UP travel limit •Closed door adjustment: decrease DOWN travel limit Adjust the UP and DOWN Travel Limits Adjust the Force Test the Safety Reversal System Test The Protector System® Using Your Garage Door Opener Using the Wall-Mounted Door Control To Open the Door Manually CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: THE REMOTE CONTROL BATTERY Repeat the safety reverse test (Adjustment Step 3, page 25) after any adjustment of limits or force HAVING A PROBLEM 1. My door will not close and the light bulbs blink on my motor unit: 2. My remotes will not activate the door: 3. My door reverses for no apparent reason: 1 FLASH 2 FLASHES 3 FLASHES 4 FLASHES 5 FLASHES To Add or Reprogram a Hand-heldRemote Control To Erase All Codes From Motor Unit Memory *3-ButtonRemotes To Add, Reprogram or Change a Keyless Entry PIN Rail Assembly Parts Installation Parts Motor Unit Assembly Parts ACCESSORIES 1702LM Outside Quick Release: 995LM Remote Light Control: 2778BD LIFTMASTER ONE-YEARLIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY