Table of Contents
Advertisement
Quick Links
®
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.
The door WILL NOT CLOSE unless the Protector System
®
is connected and
properly aligned
Periodic checks and adjustment of the opener are required to ensure safe
operation.
The model number label is located under the light lens on the left side of your
opener.
Advertisement
Table of Contents
Related Manuals for Chamberlain 1270LMC 1/2 HP
Summary of Contents for Chamberlain 1270LMC 1/2 HP
- Page 1 ® 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. The door WILL NOT CLOSE unless the Protector System ®...
-
Page 2: Table Of Contents
CONTENTS PAGE CONTENTS PAGE A review of safety alert symbols .......2 Electrical connections ...........16 You'll need tools............3 The Protector System ® safety reversing Safety information regarding garage door locks sensor information ..........17 and ropes ...............3 Install the safety reversing sensor ....18, 19 Testing your garage door for sticking, binding Fasten door bracket (sectional door) ....20 and balance ............3... -
Page 3: You'll Need Tools
You'll Need Tools During assembly, installation and adjustment of the opener, instructions will call for hand tools shown below. Pencil Carpenter's Level Hack Saw Tape Measure Wire Cutters Drill Claw Hammer 3/16", 5/16" and 5/32" Drill Bits Pliers 1/2" and 7/16" Sockets Stepladder Screwdriver Adjustable End Wrench... -
Page 4: Llustration Of Sectional Door Installation
Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. Sectional Door Installation FINISHED CEILING Support bracket & fastening hardware is required. Horizontal and vertical reinforcement See page 13. is needed for lightweight garage doors Slack in belt tension (fiberglass, steel, aluminum, is normal when... -
Page 5: Carton Inventory
Opener 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 for installation is also listed below. LO CK LIG HT Remote Control... -
Page 6: Assembly Section: Pages
Assembly Section: Pages 6 – 7 Assembly Step 1 CAUTION 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. Washered Screw •... -
Page 7: Attach Belt Cap Retainer
Assembly Step 3 WARNING Attach the Belt Cap Retainer Serious injury can result if fingers become entangled in moving opener sprocket. Attach sprocket cover securely. Never operate opener while your hand is near the opener sprocket. • Position the belt cap retainer over the Hex Screws opener sprocket so the two holes in cap align #8x3/8"... -
Page 8: Installation Section: Pages
Installation Section: Pages 8 – 23 Installation Step 1 WARNING Determine Header Bracket Location If the header bracket is not rigidly fastened to Installation procedures vary according to garage a structural support on the header wall or door types. Follow the instructions which apply to ceiling, the safety reverse system may not your door. -
Page 9: One-Piece Door
ONE-PIECE Door Without Track Read the Safety Instructions on page 8. They also apply to doors without tracks. Unfinished Header Wall Ceiling Vertical Centerline • Close the door and mark the inside vertical centerline of Structural Supports your garage door. Extend the line onto the header wall above door. -
Page 10: Install The Header Bracket
You can attach the header bracket either to the Installation Step 2 wall above the garage door, or to the ceiling. Follow the instructions which will work best for Install the Header Bracket your particular requirements. Fasten the Header Bracket to the Wall •... -
Page 11: Attach The T-Rail To Header Bracket
Installation Step 3 Attach the T-rail to the Header Bracket • Position the opener on the garage floor below the header bracket. Use packing material as a Header Wall protective base. Header If the door spring is in the way you'll need help. Bracket Have someone hold the opener securely on a temporary support to allow the T-rail to clear the... -
Page 12: Position The Opener
Installation Step 4 CAUTION Position the Opener To prevent damage to steel, aluminum, Follow instructions which apply to your door type fiberglass or glass panel doors, do not rest the as illustrated. opener on the door without using a 2x4. SECTIONAL Door &... -
Page 13: Hang The Opener
Installation Step 5 WARNING Hang the Opener The opener could fall and injure someone if it is not properly secured. Fasten the opener securely to structural supports of the garage. Two representative installations are shown. Yours may be different. Hanging brackets should be angled, Figure 1, to provide rigid support. -
Page 14: Install The Door Control
Installation Step 6 WARNING Install the Multi-Function Children operating or playing with a garage Door Control Panel door opener can injure themselves or others. The garage door could close and cause serious injury or death. • Strip 1/4" of insulation from one end of the bell Install the Door Control (or any additional push wire;... -
Page 15: Install The Lights And Lenses
Installation Step 7 Install the Lights and the Lenses Install the lights • Install a 75 watt maximum light bulb in the socket. Lens The light will turn ON and remain lit for Guide approximately 4-1/2 minutes when power is 75 Watt Maximum connected. -
Page 16: Electrical Connections
Installation Step 9 WARNING Electrical Connections To prevent electrocution or fire, installation and wiring must be in compliance with local To reduce the risk of electric shock, your garage electrical and building codes. door opener has a grounding type plug with a third grounding pin. -
Page 17: The Protector System
The Protector System ® Information you'll need before you begin the installation of the safety reversing sensor. The safety reversing sensor must be connected WARNING and aligned correctly before the garage door opener will move in the down direction. This is a required safety device and cannot be disabled. -
Page 18: Install The Safety Reversing Sensor
Figure 2 Installation Step 10 Garage WALL or DOOR TRACK Installation Install the Safety Reversing Sensor Mounting Bracket With Square Holes "C" Wrap Figures 2, 3 and 4 show recommended assembly of #10-32x3/8" bracket(s) and "C" wrap based on the wall install Screws #10-32 ation of the sensors on each side of the garage door... - Page 19 • Insert the wire connector into each Figure 7 Safety Sensor sensor and push until you hear a click, Figure 7. The white tab on the Tab should be flush with back sensor should be flush with the of connector back of the connector.
-
Page 20: Fasten Door Bracket (Sectional Door)
Installation Step 11 CAUTION Fasten Door Bracket Follow instructions which apply to your door type To prevent damage to steel, aluminum, as illustrated below or on page 21. fiberglass or glass panel doors, always reinforce the inside of the door both vertically and horizontally with angle iron. -
Page 21: Fasten Door Bracket (One-Piece Door)
2/4/92 - 4/7/92 All ONE-PIECE Door Installation Procedure Please read and comply with the warnings and reinforcement instructions on page 20. They apply to one-piece doors also. Header Wall – Finished Ceiling – Horizontal and vertical reinforcement is needed for Header lightweight garage doors Bracket... -
Page 22: Connect Door Arm To Trolley (Sectional Door)
Installation Step 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on page 23. SECTIONAL Doors Only Make sure garage door is fully closed. Pull the manual release handle to disconnect the outer trolley from the inner trolley. -
Page 23: Connect Door Arm To Trolley (One-Piece Door)
All ONE-PIECE Doors Assemble the Door Arm: Door Ring • Fasten the straight and curved door arm sections Bracket Fastener Nuts together to the longest possible length (with a 2 or Lock 5/16"-18 Washers 3 hole overlap). 5/16" Straight • With the door closed, connect the straight door Clevis Pin Door Arm arm section to the door bracket with a clevis pin. -
Page 24: Adjustment Section: Pages
Adjustment Section: Pages 24 – 26 Adjustment Step 1 WARNING Adjust the UP and DOWN Limits Improper adjustment of the travel limits will Do not make any limit adjustments until the interfere with the proper operation of the safety safety reversing sensors are completely reverse system. -
Page 25: Force Adjustments
Adjustment Step 2 WARNING 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 Force adjustment controls are located on the right kill someone under it. -
Page 26: Test The Protector System
Adjustment Step 3 WARNING Test the Protector System ® Without a properly working safety reversing sensor, persons (particularly children) could be • Press the remote control push button to open the seriously injured or killed if trapped by a closing door. -
Page 27: Operation Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS WARNING WARNING To reduce the risk of severe injury or death to persons: 1. READ AND FOLLOW ALL INSTRUCTIONS. 2. Do not permit children either to operate or to play with the opener. Keep remote control in a location inaccessible to children. -
Page 28: Operation Of Your Opener
Operation of Your Opener Activate the opener with any of the following: WARNING • The Remote Control Transmitter. Hold push button down until the door starts to move. • The Door Control. Hold push bar down until the Weak or broken springs could allow an open door starts to move. -
Page 29: Receiver And Remote Control Programming
Receiver and Remote Control Programming NOTICE: To comply with FCC/IC rules, adjustment or modifications of WARNING this receiver and/or transmitter are prohibited, except for changing the code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS. Children operating or playing with a garage door opener can injure themselves or others. -
Page 30: Having A Problem
Having a Problem? Situation Probable Cause & Solution 1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, The opener doesn't check the fuse box or the circuit breaker. (Some outlets are controlled by a wall switch.) operate from either the Door Control or 2. - Page 31 Having a Problem? (continued) Situation Probable Cause & Solution The door opens but 1. If the opener lights blink, check the safety reversing sensor. See page 19. won't close: 2. If the opener lights do not blink and it is a new installation, check the down force. See Adjustment Step 2, page 25.
-
Page 32: Repair Parts, Rail Assembly
Repair Parts Rail Assembly Parts PART DESCRIPTION 1A995 Master link kit 41A3588 Belt pulley bracket 41B3869-1 Complete trolley assembly 183B99 One-piece T-rail 41A3589 Full belt assembly 41B4103 Tensioner assembly 109B33 Trolley clip Installation Parts LO CK LIG HT PART DESCRIPTION 41A4202A Multi-function door control panel 10A14... -
Page 33: Repair Parts, Opener Assembly
Repair Parts Opener Assembly Parts (Down) LIMIT SWITCH ASSY. Brown Contact Wire Grey Wire Drive Gear Center Limit (Up) Yellow Contact Contact Wire PART PART DESCRIPTION DESCRIPTION 41A4371 Belt cap retainer 30B363 Capacitor - 1/2HP 41A3587 Gear and sprocket assembly 12A373 Capacitor bracket Complete with:... -
Page 34: Accessories
Accessories Available For Your Opener Model 1702LMC Model 61LMC Single-Function Standard Size Outside Quick Release: Remote Control: Required for a garage with NO Includes visor clip. access door. Model 60LMC Outside Keylock: Model 81LMC "Smart" Remote Control: Opens the garage door automatically Includes visor clip. -
Page 35: Receiver & Remote Control Programming
Index Access Door/Outside Quick Release Accessory..................4, 34 Electrical Safety Warnings........................2, 7, 16, 27 Garage Door Testing for balance, binding and sticking....................3, 25, 27 Determining high point of travel: Sectional Door ..............................8 One-Piece Door ..............................8, 9 Disabling existing locks............................3, 7 Force Controls Adjustment Procedures ............................25 Problems that might require Force adjustments ..................30, 31 Safety Warnings ............................25, 27... -
Page 36: How To Order Repair Parts
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. The product must be used in complete accordance with Lift- Master's instructions for installation, operation and care.