Instruction/ maintenance manual of the product 1270LMC Chamberlain
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TM Garage Door Opener Model 1270LMC - 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.
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. Support bracket & fastening hardware is required.
5 Straight Door Arm Section Door Bracket Plate Door Bracket Curved Door Arm Section Safety Labels and Literature Header Bracket UP CEILING MOUNT ONLY Safety Reversing Sensor Mounting Bracket With Squa.
Assembly Step 1 Attach the T -rail to the Opener To fasten rail, use only those screws mounted in top of the opener. Failure to do so 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"x18x1-7/8" Garage Door Vertical Center Line Header Wall Finished Ceiling Header Bracket 6" Maximum Vertical Center Line Door Spring Lag Screws.
Header Bracket Belt Pulley Bracket Temporary Support Header Wall Garage Door 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. Use packing material as a protective base.
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.
Installation Step 6 Install the Multi-Function Door Control Panel 14 Children operating or playing with a garage door opener can injure themselves or others.
75 Watt Maximum Light Bulb Lens Guide Lens Tab Lens Slot Lens Tab 75 Watt Maximum Light Bulb Install the lights • 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.
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.
The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. This is a required safety device and cannot be disabled. Installation procedures are the same for sectional and one-piece doors.
1/4x1-1/2" Lag Screw #10-32x3/8" Screw 1/4"-20 Lock Nut #10x32 Lock Nut Staples 1/4"-20x1/2" Carriage Bolts Installation Step 10 Install th.
" C " Wrap Wire Wing Nut Invisible Light Beam Protection Area Sensor Sensor Connect Wire to Opener Terminals Bell Wire Bell Wire — Finished Ceiling — OPENER TERMINAL SCREWS Sensor Connections Wall Control Connections (dotted line) 1 2 3 • Run paired wires from both sensors to the opener.
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.
Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, aluminum, steel, door with glass panel, etc.). Header Wall Vertical Centerline of Garage Door – Finished Cei.
Installation Step 12 Connect Door Arm to T rolley 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.
All ONE-PIECE Doors Assemble the Door Arm: • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). • With the door closed, connect the straight door arm section to the door bracket with a clevis pin.
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: • Place a 2x4 laid flat on the floor, centered under the garage door. • Operate the door in the down direction. The door must reverse on striking the obstruction. Adjustment: If the door stops on the obstruction, it is not traveling far enough in the down direction.
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 To open the door manually: The door should be fully closed if possible. Pull down on the red manual release handle and lift the door manually. To reconnect the door to the opener, press the Door Control push bar. Activate the opener with any of the following: • The Remote Control Transmitter.
Children operating or playing with a garage door opener can injure themselves or others. The garage door could close and cause serious injury or death. Do not allow children to operate the Door Control or remote control transmitter(s). A moving garage door could injure or kill someone under it.
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.
10 UP CEILING MOUNT ONLY 7 13 12 11 12VDC 2 4 5 NOTICE 6 9 8 3 LIGHT LOCK 1 14 15 16 2 7 1 4 5 3 6 Rail Assembly Parts Installation Parts 32 KEY PART NO.
Repair Parts Opener Assembly Parts 2 12 10 15 17 5 4 18 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 19 20 14 13 16 1 3 KEY P ART NO.
1 2 3 4 5 6 7 8 9 0 ENTER LIGHT LOCK Model 82LMC Model 83LMC Model 84LMC Model 64LMC Model 99LMC Model 60LMC Model 66LMC 3-Channel “Smart” Remote Control: Includes visor clip. 4-Channel “Smart” Remote Control: Includes visor clip. Multi-Function Mini Remote Control: With key ring & V elcro fastening strip.
Index Access Door/Outside Quick Release Accessory ..........................................................................................4, 34 Electrical Safety Warnings ..............................................................................
LIFT-MASTER GARAGE DOOR OPENER FIVE-YEAR LIMITED WARRANTY Chamberlain/Lift-Master warrants to the first retail purchaser of this product that it will be free from any defect in materials and/or workmanship for a period of 60 full months from the date of purchase.
An important point after buying a device Chamberlain 1270LMC (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Chamberlain 1270LMC 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 1270LMC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Chamberlain 1270LMC you will learn all the available features of the product, as well as information on its operation. The information that you get Chamberlain 1270LMC will certainly help you make a decision on the purchase.
If you already are a holder of Chamberlain 1270LMC, 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 1270LMC.
However, one of the most important roles played by the user manual is to help in solving problems with Chamberlain 1270LMC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chamberlain 1270LMC 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
