Table of Contents
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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
properly aligned.
Periodic checks of the opener are required to ensure safe operation.
The model number label is located under the light lens on the side panel of
your opener.
Garage Door Opener
Model 8100M
1/2 HP
For Residential Use Only
Owner's Manual
The Chamberlain Group, Inc.
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illinois 60126-1196
Complies with UL 325
Regulations effective
January 1, 1993.
®
is connected and
®
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Table of Contents
Related Manuals for Chamberlain 8100M
Summary of Contents for Chamberlain 8100M
- Page 1 The model number label is located under the light lens on the side panel of your opener. Model 8100M 1/2 HP Owner's Manual The Chamberlain Group, Inc. A DUCHOSSOIS ENTERPRISE 845 Larch Avenue Elmhurst, Illinois 60126-1196 Complies with UL 325 Regulations effective January 1, 1993.
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Page 2: Table Of Contents
When you see this Safety Symbol on the following pages, it will alert you to the possibility of damage to your garage door and/or the garage door opener if you do not comply with the corresponding instructions. Read the instructions carefully. -
Page 3: You'll Need Tools
During assembly, installation and adjustment of the opener, instructions will call for hand tools shown below. Carpenter's Level Stepladder WARNING An unbalanced garage door might not reverse when required and someone under the door could be seriously injured or killed. If your garage door binds, sticks or is out of balance, call for professional garage door service. -
Page 4: Illustration Of Sectional Door Installation
Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See page 24 for details. Header Wall Safety Reversing Sensor Based on your particular requirements, there are... -
Page 5: Illustration Of One-Piece Door Installation
ONE-PIECE Door Installation Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. Header Wall Gap between floor and bottom Safety of door must not exceed 1/4". Reversing Sensor Based on your particular requirements, there are several installation steps which might call for materials and/or hardware not included in the carton. -
Page 6: Carton Inventory
Your garage door opener is packaged in one carton which contains all parts illustrated below. If anything is missing, carefully check the packing material. Parts may be "stuck" in the foam. Hardware for assembly and installation is shown on page 7. -
Page 7: Hardware Inventory
Group all hardware found in all packages contained in the rail and opener cartons into the three kits illustrated below. Hex Screw Washered Screw 5/16"-18x7/8" (4) 5/16"-18x1/2" (2) (mounted in opener) Trolley Threaded Shaft (1) Lag Screw 5/16"-9x1-5/8" (2) Lag Screw 5/16"-18x1-7/8"... -
Page 8: Assembly Section: Pages
Assembly Section: Pages 8 – 11 To avoid installation difficulties, do not run the garage door opener until instructed to do so. Assembly Step 1 Assemble the T-rail & Lock Washer Attach the Belt Pulley Bracket 5/16" • Align the 4 T-rail sections on a flat surface exactly as shown. -
Page 9: Install Trolley
Assembly Step 2 Install the Trolley on the T-rail • As a temporary stop, insert a screwdriver into the hole in the front end of the T-rail. • Slide the trolley assembly along the rail to the screwdriver stop. If trolley hits against any nuts on the T-rail, the bolts and nuts were attached from the wrong side and must be repositioned. -
Page 10: Install Belt
Push pins of master link bar through holes in trolley clip and belt clip connector. b. Push master link cap over pins and The Chamberlain Group, Inc. past pin notches. Attach Tee Rail To Opener Chassis c. Slide clip-on spring over cap and onto... -
Page 11: Attach Belt Cap Retainer
Hardware Shown Actual Size Hex Screw #8x3/8" You have now finished assembling your garage door opener. Please read the following warnings before proceeding to the installation section: IMPORTANT INSTALLATION INSTRUCTIONS WARNING To reduce the risk of severe injury or death to persons: READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS. -
Page 12: Installation Section: Pages
Installation Section: Pages 12 – 27 Installation Step 1 Determine Header Bracket Location Installation procedures vary according to garage door types. Follow the instructions which apply to your door. SECTIONAL Door and ONE-PIECE Door With Track Vertical Guideline Header Wall •... -
Page 13: One-Piece Door
Read the Safety Instructions on page 12. They also apply to doors without tracks. • Close the door and mark the inside vertical centerline of your garage door. Extend the line onto the header wall above door. If headroom clearance is minimal, you can install the header bracket on the ceiling. -
Page 14: Install The Header Bracket
Installation Step 2 Install the Header Bracket Mounting New Header Bracket 10/16/91 - 10/26/91 - 4/5/92 • Center the bracket on the vertical guideline with the bottom edge of the bracket on the horizontal line as shown (with the arrow pointing toward the ceiling). -
Page 15: Attach The T-Rail To Header Bracket
Bracket Belt Pulley Bracket T-rail Garage Door The Chamberlain Group, Inc. • Position the opener on the garage floor below the Liftmaster Synchro Drive header bracket. Use packing material as a Attach Tee Rail to Header Brack protective base. If the door spring is in the way you'll need help. -
Page 16: Position The Opener
Installation Step 4 Position the Opener Follow instructions which apply to your door type as illustrated. SECTIONAL Door & ONE-PIECE Door with Track A 2x4 laid flat is convenient for setting an ideal door-to-T-rail distance. • Raise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough. -
Page 17: Hang The Opener
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. -
Page 18: Install The Multi-Function Door Control Panel
• Remember to affix the User Safety Instruction label to the wall near the door control, and the Maintenance Instruction label in a prominent The Chamberlain Group, Inc. location on the inside of the garage door. Liftmaster Belt Drive CDO... -
Page 19: Install The Lights And Lenses
4-1/2 minutes when power is connected. Then the lights will turn OFF. • If the bulbs burn out prematurely due to vibration, replace them with "Garage Door Opener" bulbs. • Slide lenses into guides as shown. Snap bottom tabs into lens slots. -
Page 20: Electrical Requirements
If permanent wiring is required by your local code, refer to the following procedure: WARNING To prevent electrocution, remove power from the garage door opener and from the circuit you plan to use for the permanent connection. • To make a permanent connection through the 7/8"... -
Page 21: The Protector System
To protect small children, install the safety reversing sensor so that the beam will be no higher than 4"-6" above the garage floor. Disconnect power to the garage door opener before installing the safety reversing sensor. The brackets must be securely fastened to a solid... -
Page 22: Install The Safety Reversing Sensor
Installation Step 10 Install the Safety Reversing Sensor Figures 2 and 3 show assembly of brackets and "C" wrap based on the recommended installation of the sensors on each side of the garage door as shown on page 21. However, Figures 4 and 5 are variations which may fit your installation requirements better. - Page 23 If the indicator light is off, dim, or flickering in the receiving eye (and the invisible light beam path is not obstructed), The Chamberlain Group, Inc. alignment is required. Attaching Sensor to "C" Wrap and Wires to Operator •...
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Page 24: Fasten Door Bracket (Sectional Door)
Installation Step 11 Fasten Door Bracket Follow instructions which apply to your door type as illustrated below or on page 25. A horizontal brace should be long enough to be secured to 2 vertical supports. A vertical brace should cover the height of the top panel. The illustration shows one piece of angle iron as the horizontal brace. -
Page 25: Fasten Door Bracket (One-Piece Door)
All ONE-PIECE Door Installation Procedure Please read and comply with the warnings and reinforcement instructions on page 24. They apply to one-piece doors also. Header Wall 2x4 Support Header Bracket Door Bracket • Center the bracket on the top of the door, in line with the header bracket as shown. -
Page 26: 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 27. Make sure garage door is fully closed. Pull the manual release handle to disconnect the outer trolley from the inner trolley. -
Page 27: Connect Door Arm To Trolley (One-Piece Door)
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 the 5/16"x1-1/4" clevis pin. -
Page 28: Adjustment Section: Pages
Adjustment Section: Pages 28 – 30 Adjustment Step 1 Adjust the UP and DOWN Limits Do not make any limit adjustments until the Safety Reversing Sensors are completely installed. 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. -
Page 29: Force Adjustments
Adjustment Step 2 Adjust the Force Force adjustment controls are located on the right panel of the opener. Force adjustment settings regulate the amount of power required to open and close the door. The door will stop in the up direction if anything interferes with its travel. -
Page 30: Test The Protector System
Professional service is required if the opener closes the door when the safety reversing sensor is obstructed. The garage door opener will not close from a remote if the indicator light in either sensor is off (alerting you to the fact that the sensor is misaligned or obstructed). -
Page 31: Operation Safety Instructions
Repairs to cables, spring assemblies and other hardware must be made by a professional garage door person. 7. Disconnect the electric power to the garage door opener before making any repairs or removing the covers. -
Page 32: Operation Of Your Opener
Activate the opener with any of the following: • The Remote Control Transmitter. Hold push button down until the door starts to move. • The Door Control. Hold push bar or button down until the door starts to move. • The Outside Keylock or Keyless Entry. (See Accessories) When the opener is activated with the safety reversing sensor installed and correctly aligned:... -
Page 33: Receiver And Remote Control Programming
See available accessories on page 38. Your "Smart" garage door opener will operate with up to 4 "Smart" remote controls (with green indicator lights), a Keyless Entry System and code switch remote controls with red indicator lights. -
Page 34: 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 operate from either switch.) the door control or... -
Page 35: Having A Problem
The opener lights… don't turn on: Replace the light bulbs (75 watts maximum). Use a standard neck garage door opener bulb if regular bulb burns out. don't turn off: Is the Light feature on ? Turn it off. -
Page 36: Repair Parts, Rail Assembly
Rail Assembly Parts Installation Parts LO CK LIG HT KEY PART NO. NO. DESCRIPTION 41A4251-7A Multi-function door control panel 10A14 12V battery 29C128 Transmitter visor clip 41A3888-11 Multi-function remote control housing & screw only (no circuit board) 41A2828 Manual release rope & handle assembly 217A238 2-conductor bell wire –... -
Page 37: Repair Parts, Opener Assembly
Opener Assembly Parts PART DESCRIPTION 41A4371 Belt cap retainer 41A4885 Gear and sprocket assy., Complete with: Spring washer Thrust washer Retaining ring Bearing plate Roll pins (2) Drive gear and worm gear Helical gear w/retainer and grease 41A2817 Drive/worm gear kit w/grease Roll pins (2) 41B4245 Line cord... -
Page 38: Accessories
8 foot Rail Extension Kit: To allow an 8 foot door to open fully. 740CB Keyless Entry: Enables homeowner to operate garage door opener from outside by entering code on specially designed keyboard. Multi-Function Door Control 945CB Panel: Provides a Lock Feature which... -
Page 39: Index
Access Door/Outside Quick Release Accessory...4, 5 Electrical Safety Warnings...2, 20, 31 Garage Door Testing for balance, binding and sticking...3, 28, 31 Determining high point of travel: Sectional door...12 One-piece door ...13 Disabling existing locks...3, 11 Force Controls Adjustment procedures...29 Problems that might require force adjustments ...34, 35 Safety warnings ...29, 31 Door hardware ...3, 9, 11, 12, 18, 31, 32 Maintenance instruction label ...11, 28... -
Page 40: How To Order Repair Parts
CHAMBERLAIN GARAGE DOOR OPENER ONE-YEAR LIMITED WARRANTY The Chamberlain Group, Inc. (“Seller”) warrants to the first retail purchaser of this product that it is free from defect in materials and/or workmanship for a period of one year from the date of purchase. The proper operation of this product is dependent on your compliance with the Owner’s Manual instructions regarding installation,...