Table of Contents
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OWNER'S
MANUAL
Model No.
139.18847
139.18857
For Residential Use
Only
Caution:
Read and follow all
safety rules and
operating instructions
before first use of this
product.
Fasten the manual
near the garage door
after installation.
®
GARAGE DOOR OPENER
The Chamberlain Group, Inc.
Cover - SEARS
1/2 HP
4/16/92
Safety Precautions
Assembly
Installation
Adjustment
Care and Maintenance
Operation
Troubleshooting
Parts List
Sears Canada, Inc., Toronto, Ontario M5B 2B8
®
MD
®
MD
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Table of Contents
Related Manuals for Craftsman 139.18847
Summary of Contents for Craftsman 139.18847
- Page 1 ® OWNER’S MANUAL Model No. 139.18847 139.18857 ® GARAGE DOOR OPENER The Chamberlain Group, Inc. Cover - SEARS 1/2 HP 4/16/92 For Residential Use Only Safety Precautions Caution: Assembly Read and follow all Installation safety rules and Adjustment operating instructions...
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Page 2: Table Of Contents
Contents Page Contents Page A review of safety alert symbols.........2 Install the lights and lenses ........19 You'll need tools............3 Attach emergency release rope and handle ...19 Safety information regarding garage door Electrical requirements..........20 locks and ropes............3 Safety reversing sensor information ......21 Testing your garage door for sticking, Install the safety reversing sensor .....22, 23 binding 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 Hack Saw Level Tape Measure Wire Cutters WARNING Claw Hammer Drill 3/16", 5/16", and Pliers 5/32" Drill Bits Stepladder Adjustable End Wrench Screwdriver 1/2"... -
Page 4: Illustration Of Sectional Door Installation
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 Slack in Chai (fiberglass, steel, aluminum, door with glass panels, etc.). is Normal See page 24 for details. -
Page 5: Illustration Of One-Piece Door Installation
One-Piece Door without Track 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 Closed Position Cable Pulley Bracket Trolley Access Door Cable Header Bracket T-rail The Chamberlain Group, Inc. -
Page 6: 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 assembly and installation is shown on page 7. Security Three-Function Remote Control Cable... -
Page 7: Hardware Inventory
Group all hardware found in all packages contained in the rail and opener cartons into the three kits illustrated below. Assembly Hardware Kit 41A3534 Hex Screw Washered Screw Carriage Bolts 5/16"-18x7/8" (3) 5/16"-18x1/2" (2) 5/16"-18 (5) Master Link (2) 1/4"-20x1/2" (4) (mounted in opener) Lock Nut Lock Washer... -
Page 8: Assembly Section: Pages
Assemble Tee Rail & attach Cable Pulley Bracket Assembly Section: Pages 8 – 11 SEARS '92 (525) Assemble Tee Rail & attach Cable Pulley Bracket To avoid installation difficulties, do not run the garage door opener until instructed to do so. Assemble Tee Rail &... -
Page 9: Install Trolley
Step 2 Install Trolley & Attach Chain Retainer Bracket The Chamberlain Group, Inc. Hardware Shown Assembly Step 2 Sears Chassis Actual Size Step 2 Install Trolley & Attach Chain Retainer Bracket 4/12/92 Install the Trolley on the T-rail Sears Chassis 4/12/92 •... -
Page 10: Install Chain/Cable
Assembly Step 4 The Chamberlain Group, Inc. WARNING Install the Chain/Cable & Step 4 Install Chain & Cable - Sears Chassis The Chamberlain Group, Inc. Attach the Sprocket Cover Serious injury can result if fingers become 4/10/92 Opener entangled in moving opener sprocket. Attach Sprocket Step 4 Install Chain &... -
Page 11: Tighten The Chain And Cable
Assembly Step 5 Patin du Tighten the Chain & Cable Lock Inner Nut • Spin the inner nut and lock washer down the Outer Nut Washer threaded shaft, away from the trolley. To Tighten Outer Nut • To tighten the chain, turn outer nut in the direction shown. -
Page 12: Installation Section: Pages
Installation Section: Pages 12 – 27 The Chamberlain Group, Inc. The Chamberlain Group, Inc. SECTIONAL DO Position Header Bracket Installation Step 1 SECTIONAL DOOR AND Position Header Bracket WARNING e Chamberlain Group, Inc. Sectional and One-Piece Track Installations ONE-PIECE DOOR W Sectional and One-Piece Track Installations ONE-PIECE DOOR WITH TRACK SECTIONAL DOOR AND... -
Page 13: One-Piece Door
Header Wall Ceiling Ceiling Vertical 30/92 - 4/7/92 Vertical Centerline Centerline ONE-PIECE Door Without Track Structural Structural Read the Safety instructions on page 12. They also apply to doors without tracks. supports supports Unfinished Header Wall Ceiling • Close the door and mark the Vertical Centerline inside vertical centerline of... -
Page 14: 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. unting New Header Bracket Follow the instructions which will work best for Install the Header Bracket 16/91 - 10/26/91 - 4/5/92 your particular requirements. -
Page 15: Attach The T-Rail To Header Bracket
4/92 - 4/9/92 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 protective base. Header Wall If the door spring is in the way you'll need help. Header Have someone hold the opener securely on a Bracket... -
Page 16: Position The Opener
Porte Installation Step 4 CAUTION Manual Disconnect and Lockout Position the Opener Escabeau Sears -92 To prevent damage to steel, aluminum, Follow instructions which apply to your door fiberglass or glass panel doors, do not rest the type as illustrated. 9/7/90, 3/2/92 opener on the door without using a 2x4. -
Page 17: Hang The Opener
Solives Installation Step 5 WARNING Hang the Opener The opener could fall and injure someone if it Tire-fond de 5/16 de po-18 x 1-7/8 de po Solives is not properly secured. Fasten the opener Mesurer securely to structural supports of the garage. la distance Tire-fond de Two representative installations are shown. -
Page 18: Install The Door Control
Installation Step 6 WARNING Install the Door Control 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 Locate the door control within sight of the door injury from shock, burn or electrocution. -
Page 19: Install The Lights And Lenses
6. Attach the User Safety Instruction label to the wall Do NOT connect the power and operate the near the door control, and the Maintenance opener at this time. The trolley will travel to the Instruction label in a prominent location on the full open position but will not return to the inside of the garage door. -
Page 20: Electrical Requirements
Installation Step 9 WARNING WARNING Electrical Requirements To prevent electrocution or fire , installation and wiring must be in compliance with local electrical and building codes. To reduce the risk of electric shock, your garage Do NOT use an extension cord, 2-wire adapter, door opener has a grounding type plug with a third or change the plug in any way to make it fit grounding pin. -
Page 21: Safety Reversing Sensor Information
The Safety Reversing 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 22: Install The Safety Reversing Sensor
Installation Step 10 Install the Safety Reversing Sensor Figure 2 Figures 2 and 3 show assembly of brackets and Mounting Bracket "C" wrap based on the recommended installation of With Square Holes the sensors as shown on page 21. "C" Wrap However, Figures 4 and 5 are variations which may fit your installation requirements better. - Page 23 • Center each sensor unit in a "C" wrap with lenses Figure 6 Wing "C" Wrap pointing toward each other across the door (see Figure 6). Indicator • Secure sensors with the hardware shown. Finger Light tighten the wing nut on the receiving eye to allow Sensor with Wire for final adjustment.
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Page 24: Fasten Door Bracket (Sectional Door)
Door Bracket-Sectional Installation Step 11 CAUTION 6/96 Fasten Door Bracket To prevent damage to steel, aluminum, Follow instructions which apply to your door fiberglass or glass panel doors, always type as illustrated below or on page 25. reinforce the inside of the door both vertically and horizontally with an angle iron. -
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 Finished Ceiling 2x4 Support Horizontal and vertical Header reinforcement is needed for Bracket lightweight garage doors (fiberglass, aluminum, steel, door with glass panel, etc.). -
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. SECTIONAL Doors Only Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley. Slide the outer trolley back (away from the door) about 2" as shown in Figures 1, 2 and 3. -
Page 27: Connect Door Arm To Trolley (One-Piece Door)
All ONE-PIECE Doors Assemble the Door Arm: Can/DoorArmToTrolley 1 pc Door • Fasten the straight and curved door arm sections Bracket Ring together to the longest possible length, with a 2 or 3 Fastener hole overlap. Lock Nuts Washers 5/16"-18 •... -
Page 28: Adjustment Section: Pages
Adjustment Section: Pages 28 – 30 SEARS '92 Front to Back 3/27/92 - 4/2/92 Adjustment Step 1 WARNING Adjust the UP and DOWN Limits Do not make any limit adjustments until the Improper adjustment of the travel limits will safety reversing sensors are completely interfere with the proper operation of the safety reverse system. -
Page 29: 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 Force adjustment controls are located on the back system. The door might not reverse properly panel of the opener. Force adjustment settings when required and could seriously injure or Étiquette de réglage regulate the amount of power required to open and... -
Page 30: Test The Safety Reversing Sensor
Adjustment Step 3 WARNING Test The Safety Reversing Sensor 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 31: Operation Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS WARNING WARNING WARNING WARNING To reduce the risk of severe injury or death to persons: 1. READ AND FOLLOW ALL INSTRUCTIONS. 5. If possible, use the emergency release only when the door is in a closed position. Caution 2. -
Page 32: Operation Of Your Opener
Operation of Your Opener Manual Disconnect and Lo Activate the opener with any of the following: WARNING Sears -92 • The Remote Control: Hold push button down until the door starts to move. 9/7/90, 3/2/92 • The Door Control: Hold push button down until Weak or broken springs could allow an open the door starts to move. -
Page 33: Receiver And Remote Control Programming
Receiver and Remote Control Programming To comply with FCC/IC rules, adjustment or modifications of this receiver and/or transmitter are prohibited, except for changing the code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS. Your garage door opener receiver and remote control have been pre-set at the factory. -
Page 34: Having A Problem
Having a Problem? Situation Probable Cause and 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 door switch.) operate from either the Door Control or 2. - Page 35 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 23. 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 29.
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Page 36: Repair Parts, Rail Assembly
Repair Parts Rail Assembly Parts PART DESCRIPTION 1A995 Master link kit 41A3489 Complete trolley assembly 1B3117 T-rail – center section 183B110 T-rail – end section (each) 41B2616 Cable pulley bracket assembly 41A3473 Chain and cable 83A4 Rail grease NOT SHOWN 41A3534 Rail assembly hardware kit (see page 7) -
Page 37: Repair Parts, Opener Assembly
Repair Parts Opener Assembly Parts (Down) LIMIT SWITCH Brown Contact ASSEMBLY Wire Grey Wire Drive Gear Center Limit (Up) Yellow Contact Contact Wire KEY PART KEY PART NO. NO. DESCRIPTION DESCRIPTION 41D3058 Universal replacement motor and 31D380 Sprocket cover bracket assembly 41C4220A Gear and sprocket assy. -
Page 38: Accessories
Accessories Accessories Art - SEARS 92 Sears offers many useful accessories for your garage door opener. They are illustrated below with Side to Side Accessories Art - SEARS 92 Sears model numbers and descriptions Side to Side 3/3/92 3/3/92 Outside Trolley Release: SECURITY Compact 18752 18792... -
Page 39: Index
Index Access Door/Outside Key Release Accessory ....................4, 5 Chain Tension ..............................4, 5, 11 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 Door clearance brackets (for garages with low headroom) ................12, 38 Force controls Adjustment procedures............................ -
Page 40: How To Order Repair Parts
SERVICE AND REPAIR PARTS CALL 1-800-665-4455* Model No. 139.18847 Keep this number handy should you require a service call or need to order repair parts. If ordering parts make sure you have the name, make and model no. of the merchandise and the name and 139.18857...