Chamberlain 1280 - 1/2 HP 5

Carton Inventory

Your garage door opener is packaged in two cartons which contain all parts illustrated below. If anything is missing, carefully check the packing material. Parts may be "stuck" in the foam. Hardware is listed on page 4.

LOCK

LIGHT

Multi-Function

Door Control Panel

2-Conductor Bell Wire White & White/Red

ONLY

MOUNT

CEILING

Header Bracket

Remote Control Transmitter (1) with 12V battery

Light Lens (2)

Trolley

Belt

Pulley Bracket

"C" Wrap (2)

Belt Cap Retainer

Remote Control

Transmitter Visor Clip

Styrofoam

Belt

One-Piece

T-rail

Door Bracket Plate

Door Bracket

Straight Door

Arm Section

Safety Reversing Sensor

Mounting Bracket

With Square Holes (2)

Safety Reversing Sensor

Mounting Bracket

With Slot (2)

Safety Reversing Sensor (2)

(1)Sending Eye

(1)Receiving Eye

2-Conductor Bell Wire with Connector White & White/Black (2 rolls)

Curved Door

Arm Section

Safety Labels

and

Literature

Contents

Page Contents Assembly section - pages 6 – Installation section - pages 8 – Page Adjustment section - pages 24 – Page SECTIONAL Door or ONE-PIECEDoor with Track Installation ONE-PIECEDoor Without Track Installation Page Attach the T-RailTo the Opener Set the Belt Tension Attach the Belt Cap Retainer Determine Header Bracket Location ONE-PIECEDoor Without Track Install the Header Bracket Attach the T-railto the Header Bracket Position the Opener Hang the Opener Install the Multi-Function Door Control Panel Install the Lights and the Lenses Attach the Manual Release Rope and Handle Electrical Requirements Page Install the Safety Reversing Sensor (Receiving and Sending Eyes) Aligning the Safety Sensors Trouble Shooting Fasten Door Bracket All ONE-PIECEDoor Installation Procedure Connect Door Arm to Trolley All ONE-PIECEDoors Assemble the Door Arm: Adjustment Procedures for One-PieceDoors Open Door Adjustment: Decrease UP limit Adjust the UP and DOWN Limits Adjust the Force Test The Protector System® Test the Safety Reverse System Maintenance Schedule Activate the opener with any of the following: The Remote Control Transmitter The Door Control •The Outside Keylock or Keyless Entry. (See Accessories) If possible, use the manual release rope and handle To Add a Single Function Remote Control Model 81LM "Smart Single Function Remote Control To Change the Selected Push Button Situation Probable Cause & Solution The opener doesn't operate from either the door control or the remote control: Opener operates from remote control, but not from door control: The door operates from the door control, but not from the remote control: (continued) Rail Assembly Parts Installation Parts Opener Assembly Parts Page Garage Door Manual Release Rope & Handle Opener Terminals Operational Noise Receiver & Remote Controls LIFT-MASTERGARAGE DOOR OPENER ONE-YEARLIMITED WARRANTY LIMITED WARRANTY ON MOTOR - MODEL