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Owner’s Manual Model No. 139.53661SRT3 139.53671SRT3 139.53672SRT3 139.53673SRT3 139.53674SRT2 139.53677SRT3 For Residential Use Only ® GARAGE DOOR OPENER Caution: Safety Precautions Read and follow all Assembly safety rules and Installation operating instructions Adjustment before first use of this product. Care and Maintenance...
Contents Page Contents Page A review of safety alert symbols.........2 Install the light and lens ..........19 You'll need tools............3 Attach emergency release rope and handle....19 Safety information regarding garage door locks Electrical requirememts ..........20 and ropes ..............3 Safety reversing sensor information......21 Testing your garage door for sticking, binding Install the safety reversing sensor......22, 23 and balance...............3...
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...
SECTIONAL Door Installation Before you begin, survey your garage area to see whether any of the conditions below apply to your installation. FINISHED CEILING Support bracket & fastening hardware is required. Horizontal and vertical reinforcement See page 17. is needed for lightweight garage doors Slack in Chain Tension (fiberglass, steel, aluminum, door with glass panels, etc.).
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 Access Door Trolley Cable Header Bracket T-rail Door Bracket Emergency Release...
Carton Inventory Your garage door opener is packaged in two cartons which contain parts illustrated below. Accessories will depend on model purchased. 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. Models 53661 (1), 53671 (1), 53672 (2), Models 53661, Models 53673, 53674...
Separate all hardware from the packages in the rail carton and the opener carton, as shown below, for the assembly and installation procedures. Assembly Hardware Hex Screw Washered Screw Carriage Bolts 5/16"-18x7/8" (3) 5/16"-18 (5) 5/16"-18x1/2" (2) Master Link (2) 1/4"-20x1/2"...
Assembly Section: Pages 8 – 11 To avoid installation difficulties, do not run the garage door opener until instructed to do so. Make sure bolt necks are Assembly Step 1 seated in the square holes and rails are Assemble the T-rail & Attach aligned before you tighten lock nuts.
Hardware Shown Assembly Step 2 Actual Size Install the Trolley on the T-rail • Attach the threaded shaft to the trolley with the Trolley lock washer and nuts as shown. Lock Washer 5/16" 5/16" - 18 Lock Washer 5/16" Outer Nut Trolley 5/16"...
Assembly Step 4 WARNING Install the Chain/Cable & Attach the Sprocket Cover 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. Dispensing Carton Figure 2 Opener Leave Chain and Cable...
Assembly Step 5 Tighten the Chain & Cable Lock Inner Nut Outer Nut Washer • Spin the inner nut and lock washer down the threaded shaft, away from the trolley. To Tighten Outer Nut • To tighten the chain, turn outer nut in the direction To Tighten shown.
Installation Section: Pages 12 – 27 Installation Step 1 WARNING Determine Header Bracket Location If the header bracket is not rigidly fastened to Installation procedures vary according to a structural support on the header wall or garage door types. Follow the instructions ceiling, the safety reverse system may not which apply to your door.
ONE-PIECE Door Without Track Read the Safety instructions on page 12. They also apply to doors without tracks. – Unfinished – Header Wall Ceiling Vertical Centerline • Close the door and mark the Structural Supports inside vertical centerline of your garage door. Extend the line onto the header wall above door.
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 •...
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...
Installation Step 4 CAUTION CAUTION Position the Opener 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. opener on the door without using a 2x4. SECTIONAL Door &...
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.
Installation Step 6 WARNING WARNING Install the Door Control Do not connect to live electrical wiring. Connect only to 24 Volt low voltage wires. Connection to Locate the door control within sight of the door live wires or higher voltage may cause serious at a minimum height of 5 feet where small injury from shock, burn or electrocution.
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.
Installation Step 9 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.
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.
Installation Step 10 Install the Safety Reversing Sensor Figure 2 Figures 2 and 3 show assembly of brackets and "C" wrap based on the recommended installation of Mounting Bracket the sensors as shown on page 21. With Square Holes However, Figures 4 and 5 are variations which may "C"...
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• 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). • Secure sensors with the hardware shown. Finger Indicator Light tighten the wing nut on the receiving eye to allow Sensor for final adjustment.
Installation Step 11 CAUTION CAUTION 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.
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 Header Bracket Horizontal and vertical Door Optional reinforcement is needed for Bracket Placement lightweight garage doors...
Installation Step 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on page 27. SECTIONAL Doors Only Make sure garage door is fully closed. Pull the emergency 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 Ring Door Fastener Bracket together to the longest possible length (with a 2 or Nuts 3 hole overlap). Lock 5/16"-18 Washers • With the door closed, connect the straight door arm 5/16"...
Adjustment Section: Pages 28 – 30 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.
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 kill regulate the amount of power required to open and someone under it.
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 door. closing garage door.
IMPORTANT SAFETY INSTRUCTIONS 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. Do not permit children either to operate or to should be taken whenever the disconnect cord play with the opener.
Operation of Your Opener Activate the opener with any of the following: WARNING • The Remote Control: Hold push button down until the door starts to move. • The Door Control: Hold push button down until the Weak or broken springs could allow an open door starts to move.
Receiver and Remote Control Programming To comply with FCC 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.
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 wall switch.) operate from either the Door Control or 2.
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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.
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 DESCRIPTION NO. NO. DESCRIPTION 31D380 Sprocket cover 41D3058 Universal replacement motor and 41C4220A Gear and sprocket assy.
Accessories Sears offers many useful accessories for your garage door opener. They are illustrated below with Sears model numbers and descriptions. 139.53702 139.53681 SECURITY 3-Function Remote Emergency Key Release: Control: Required for a garage with NO Includes visor clip. access door. Enables homeowner to open garage door manually from outside by disengaging trolley.
For professional installation Call 24 hours a day, 7 days a week 1-800-865-6500 For the repair or replacement parts you need Call 7 am – 7 pm, 7 days a week 1-800-366-PART (1-800-366-7278) For in-home major brand repair service Call 24 hours a day, 7 days a week 1-800-4-REPAIR (1-800-473-7247) For the location of a Sears Repair Service Center in your area...