Instruction/ maintenance manual of the product 1280-298LMC Chamberlain
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TM Garage Door Opener Model 1280-298LMC - 1/2 HP - For Residential Use Only ® Owner's Manual ■ Please read this manual and the enclosed safety materials carefully! ■ Fasten the manual near the garage door after installation. ■ The door WILL NOT CLOSE unless the Protector System ® is connected and properly aligned.
Start by reviewing these important safety alert symbols 2 CONTENTS PAGE A review of safety alert symbols ...............................2 You'll need tools ........................................................3 Safety information regarding garage door locks and ropes .
Pliers Wire Cutters Claw Hammer Hack Saw Screwdriver Adjustable End Wrench 1/2" and 7/16" Sockets and Wrench Drill Tape Measure 2 1 Stepladder Pencil 3/16", 5/16" and 5/32" Dr.
4 Safety Reversing Sensor Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See page 20 for details. FINISHED CEILING Support bracket & fastening hardware is required.
5 Straight Door Arm Section Curved Door Arm Section Safety Labels and Literature Header Bracket UP CEILING MOUNT ONLY 2-Conductor Bell Wire White & White/Red Remote Control Transmitter Visor Clip .
ASSEMBL Y STEP 1 Attach the T -Rail T o the Opener To fasten rail, use only those screws mounted in the top of the opener. Any other screws will cause serious damage to the opener. 6 • Remove the two washered screws mounted in top of opener. • Align T-rail and styrofoam over opener sprocket.
Assembly Step 3 Attach the Belt Cap Retainer 7 IMPORT ANT INST ALLA TION INSTRUCTIONS T o reduce the risk of severe injury or death to persons: 1. READ AND FOLLOW ALL INST ALLA TION INSTRUCTIONS. 2. Install only on a properly balanced and lubricated garage door.
• Open your door to the highest point of travel as shown. Draw an intersecting horizontal line on the header wall 2" above the high point. This height will provide travel clearance for the top edge of the door. Header Wall Ceiling Track Highest Point of Travel Door 2" 8 Proceed to Step 2, page 10.
9 Header Wall Vertical Centerline Vertical Centerline of Garage Door 2x4 Unfinished Ceiling Structural Supports 2x4 OPTIONAL CEILING MOUNT • Close the door and mark the inside vertical centerline of your garage door. Extend the line onto the header wall above door.
UP Lag Screws 5/16"-9x1-5/8" Garage Door Vertical Center Line Header Wall Finished Ceiling Header Bracket 6" Maximum Vertical Center Line Door Spring Lag Screws 5/16"-9x1-5/8".
Header Bracket Belt Pulley Bracket Temporary Support Header Wall Garage Door , Liftmaster Synchro Drive Tee Rail to Header Bracket 5/16/92 T-rail Clevis Pin 5/16"x2-3/4 " Ring Fastener Header Bracket Belt Pulley Bracket T-rail • Position the opener on the garage floor below the header bracket.
Installation Step 4 Position the Opener Follow instructions which apply to your door type as illustrated. To prevent damage to steel, aluminum, fiberglass or glass panel doors, do not rest the opener on the door without using a 2x4.
Installation Step 5 Hang the Opener Two representative installations are shown. Yours may be different. Hanging brackets should be angled, Figure 1, to provide rigid support. On finished ceilings, Figure 2, attach a sturdy metal bracket to structural supports before installing the opener.
Outside Keylock Accessory Connections To opener terminal screws: white to 2; white/red to 1 WARNING DO NOT CONNECT TO LIVE ELECTRICAL WIRING. CONNECT ONLY TO 24 VOLT LOW VOLTAGE WIRES. CONNECTION TO LIVE WIRES OR HIGHER VOLTAGE MAY CAUSE SERIOUS INJURY FROM SHOCK, BURN OR ELECTROCUTION.
Watt x imum h t Bulb Lens Guide e ns a b Lens Slot Lens Tab 75 Watt Maximum Light Bulb • Install a 75 watt maximum light bulb in the socket. The light will turn ON and remain lit for approximately 4-1/2 minutes when power is connected. Then the light will turn OFF.
To reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding pin. This plug will only fit into a grounding type outlet. If the plug doesn't fit into the outlet you have, contact a qualified electrician to install the proper outlet.
Without a properly working safety reversing sensor , persons (particularly children) could be injured or killed by a closing garage door . Read and follow all instructions. T o protect small children, install the safety reversing sensor so that the beam will be no higher than 4"-6" above the garage floor .
Installation Step 10 Install the Safety Reversing Sensor 18 FLOOR MOUNT (Right Side) WALL MOUNT (Right Side) DOOR TRACK MOUNT (Right Side) Indicator light Lens Lip Sensor Brack et Door T rac k Sensor .
Invisible Light Beam Protection Area Sensor Sensor Connect Wire to Opener Terminals Bell Wire Bell Wire Finished Ceiling OPENER TERMINAL SCREWS Sensor Connections Door Control Connections (dotted line.
Installation Step 1 1 Fasten Door Bracket Follow instructions which apply to your door type as illustrated below or on page 21. T o prevent damage to steel, aluminum, fiberglass or glass panel doors, always reinforce the inside of the door both vertically and horizontally with angle iron.
Door Bracket Inside Edge of Door or Reinforcement Board Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, aluminum, steel, door with glass panel, etc.
Installation Step 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on page 23. Make sure garage door is fully closed. Pull the manual release handle to disconnect the outer trolley from the inner trolley.
Nuts 5/16"-18 Lock Washers 5/16" Ring Fastener Straight Door Arm Screws 5/16"-18x7/8" Door Bracket 5/16"x1-1/4" Clevis Pin Curved Door Arm Fully Open Trolley Door Arm Con.
Adjustment Step 1 Adjust the UP and DOWN Limits Do not make any limit adjustments until the safety reversing sensors are completely installed. 24 Limit adjustment settings regulate the points at which the door will stop when moving up or down. The door will stop in the up direction if anything interferes with door travel.
Adjustment Step 2 Adjust the Force Too much force on the door will interfere with the proper operation of the safety reverse system. The door might not reverse properly when required and could seriously injure or kill someone under it. Do not increase the force beyond the minimum amount required to close the door.
Adjustment Step 4 T est the Safety Reverse System Test: • With the door fully open, place a 2x4 laid flat on the floor, centered under the garage door.
The remote control transmitter: The opener must learn the code of any new remote control. Page 29 explains how to program your receiver and how to erase all codes if required. Self service of your radio controls and remote controls is not recommended.
28 Operation of Y our Opener Weak or broken springs could allow an open door to fall (either rapidly or unexpectedly), resulting in serious injury, death or property damage. If possible, use the manual release rope and handle only when the door is fully closed.
SECURITY ✚ Garage Door Opener RIGHT PANEL "Smart" (learn) Button Indicator Light KG KG 1 3 9 7 5 1 3 9 7 5 1 2 3 KG KG 1 3 9 7 5 1 3 9 7 5 1 2 3 Code programming instructions are also located on the opener panel.
1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, check the fuse box or the circuit breaker. (Some outlets are controlled by a wall switch.) 2. Have you disabled all door locks? Review installation instruction warnings on page 7.
31 Having a Problem? (continued) Situation Probable Cause & Solution The door reverses for no apparent reason and opener lights don't blink: 1. Is something obstructing the door? Pull the manual release handle. Operate the door manually. If it is unbalanced or binding, call for professional garage door service.
7 10 11 5 NOTICE 6 UP CEILING MOUNT ONLY 8 4 3 2 9 12 1 LOCK LIGHT 7 1 4 5 3 6 2 Rail Assembly Parts Installation Parts 32 KEY PART NO. NO. DESCRIPTION 1 1A995 Master link kit 2 41A3588-1 Belt pulley .
Repair Parts Opener Assembly Parts 2 12 10 15 4 3 DN UP Brown Wire (Down) Contact LIMIT SWITCH ASSY. Grey Wire Yellow Wire (Up) Contact Center Limit Contact Drive Gear 11 5 6 7 9 8 9 8 20 14 13 16 1 3 18 19 17 5 KEY P ART NO.
LOCK LIGHT 34 Accessories A vailable For Y our Opener Model 59LMC Model 974LMC Model 1702LMC SECURITY ✚ 3-Channel Remote Control: Includes visor clip. SECURITY ✚ 4-Channel Remote Control: Includes visor clip. SECURITY ✚ 3-Channel Mini Remote Control: With key ring and V elco fastening strip.
Index Access Door/Outside Quick Release Accessory ..........................................................................................4, 34 Electrical Safety Warnings ..............................................................................
© 2000, The Chamberlain Group, Inc. 114A2478 All Rights Reserved Printed in Mexico LIFT -MASTER SERVICE IS ON CALL OUR LARGE SERVICE ORGANIZATION SPANS AMERICA AND CANADA INSTALLATION AND SERVICE INFORMATION IS AS NEAR AS YOUR TELEPHONE SIX DAYS A WEEK.
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If you have not bought Chamberlain 1280-298LMC yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Chamberlain 1280-298LMC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Chamberlain 1280-298LMC you will learn all the available features of the product, as well as information on its operation. The information that you get Chamberlain 1280-298LMC will certainly help you make a decision on the purchase.
If you already are a holder of Chamberlain 1280-298LMC, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Chamberlain 1280-298LMC.
However, one of the most important roles played by the user manual is to help in solving problems with Chamberlain 1280-298LMC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chamberlain 1280-298LMC along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
