Table of Contents
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SEARS
OWNER'S
MANUAL
Model No.
139.53491SRT
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.
Complies withUL325
/'1111 _
regulations effective
January 1, 1993
CRRFTSMRN
1/2 HP
GARAGE DOOR OPENER
• Safety Precautions
• Assembly
• Installation
• Adjustment
• Care and Maintenance
• Operation
• Troubleshooting
• Parts List
Sears, Roebuck
and Co., Hoffman
Estates,
IL 60179 U.S.A.
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Table of Contents
Related Manuals for Craftsman 139.53491SRT
Summary of Contents for Craftsman 139.53491SRT
- Page 1 SEARS OWNER'S MANUAL Model No. 139.53491SRT For Residential Use CRRFTSMRN Only 1/2 HP GARAGE DOOR OPENER Caution: • Safety Precautions Read and follow all • Assembly safety rules and • Installation operating instructions • Adjustment before first use of this •...
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Page 2: Table Of Contents
Contents Safety alert symbol review ..........Complete the safety reversing sensor installation ..22 Safety information, precautions, tools ......3 Install the lights and lens .......... Testing your garage door for binding & balance ..3 Attach the emergency release rope and handle ..23 Fasten the door bracket (sectional door) .... -
Page 3: Safety Information, Precautions, Tools
Safety Information and Precautions; Tools An unbalanced garage door might not re verse when To avoiddamageto the garagedoor and opener,disable requiredand someoneunder thedoor couldbe seriously locks before installingand operatingthe opener. Use a injuredor killed. woodscrewor nail to hold locksin the "open" (unlocked) position. -
Page 4: Carton Inventory
Carton Inventory Your garage door opener is packaged in one carton which contains the power unit and all parts illustrated below. If anything is missing, carefully check the packing material. Parts may be "stuck" in the foam. KEEP THE FOAM INTACT (see page 10). -
Page 5: Hardware Inventory
Hardware Separate all hardware from the packages in the rail carton and the opener carton and group as shown below, for the assembly and installation procedures. Assembly Hardware lllllllll/ RllllllID Bolt 1/4" - 20 x 5/8" Lock Nut 1/4-20xl-3/4" Hex Screw (4) 1/4"-20 x 7/16 (12) Sprocket Coupling... -
Page 6: 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. FINISHED CEILING Support bracket & fastening hardware is required. Horizontal and vertical reinforcement See page 20. is needed for lightweight garage doors (fiberglass, steel, aluminum,... -
Page 7: Illustration Of One-Piece Door Installation
ONE-PIECE Door Installation Before you begin, survey your garage area to FINISHED CEILING see whether any of the conditions below apply Support bracket & fastening to your installation. hardware is required. See page 20. Header One-Piece Door without Track Wall Closed Position Rail Bracket... -
Page 8: Assembly Section" Pages
ASSEMBLY SECTION" PAGES 8 - 11 Assembly Step 1 To avoid installation difficulties, do not run the garage Assemble the Rail door opener until instructed to do so. Straight Door Arm Extend End Rails Remove Outward Cardboard Packing Rail Center Support Rail Braces... - Page 9 Assembly Step 1 (Continued) Assemble the Rail 4. Beginning with the sprocket end, straighten the two 7. Keeping the rail straight and on a level surface, grasp rail sections so that the screw rod is in a straight line at the screw rods on each side of the remaining joint and the joint.
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Page 10: Fasten Rail To Power Unit
Assembly Step 2 Fasten the Rail To the Power Unit and Install the Trolley NOTE: To aid in assembly and installation, replace the foam packing around the power unit. Remove after Installation Step 5. • Working on a level surface, align the rail assembly with Rail/Power Unit Power Unit... -
Page 11: Attach The Rail Brackets
Assembly Step 3 Attach the Rail Brackets 1/4"-20 Rail • Align rail brackets to end of rail assembly, as shown. Lock Nuts Brackets • Insert two 1/4"-20 x 5/8" hex screws and lock nuts. Tighten securely with a 7/16" socket. Hardware Shown Actual Size 1/4"... -
Page 12: Determine The Header Bracket Location
INSTALLATION SECTION" PAGES 12- Installation Step 1 Determine Header Bracket Location If the header bracket is not rigidly fastened to a Installation procedures vary according to garage structural support on the header wall or ceiling, the door types. Follow the instructions which apply to safety reverse system may not work properly (see your door. -
Page 13: One-Piece Door
ONE-PIECE Door Without Track Read the Safety Instructions on page 12. They also apply to doors without tracks. Unfinished • Close the door and mark the inside Header Wall Ceiling Vertical vertical centerline of your garage door. Centerline Extend the line onto the header wall above door. -
Page 14: Install The Header Bracket
Installation Step 2 Install the Header Bracket You can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the instructions which will work best for your particular requirements. Fastening the Header Bracket to the Ceiling Fastening the Header Bracket to the Wall •... -
Page 15: Attach The Rail To The Header Bracket
Installation Step 3 Attach the Rail to the Header Bracket • Position the opener on the garage floor below the header bracket. Use packing material as a protective base. If the door spring is in the way you'll need help. Have someone hold the opener securely on a temporary support to allow the rail to clear the spring. -
Page 16: Safety Reversing Sensor Information
The Safety Reversing Sensor Information you'll need before you begin the installation of the safety reversing sensor The safety reversing sensor must be connected aligned correctly before the garage door opener will move in the down direction. This is a required safety device and cannot be disabled. -
Page 17: Install The Safety Reversing Sensor
Installation Step 4 Install the Safety Reversing Sensor (Receiving and Sending Eyes) Figures 1 and 2 show assembly of brackets and "C" wrap Figure 1 based on the recommended installation of the sensors on each side of the garage door as shown on page 16. However, Figures 3 and 4 are variations which may fit Mounting Bracket... - Page 18 Installation Step 4 (Continued) Install the Safety Reversing Sensor 7. Center each sensor unit in a "C"- wrap with lenses "C" Wrap pointing toward each other across the door (see Figure 5). Indicator 8. Secure sensors with the hardware shown. Finger Light tighten the wing nut on the receiving eve to allow for final adjustment.
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Page 19: Position The Opener
Installation Step 5 Position the Opener To prevent damage to steel, aluminum, fiberglass or Follow instructions which apply to your door type as illustrated. glass paneldoors, do not rest the opener on the door withoutusinga 2x4. SECTIONAL Door or ONE-PIECE Door with Track A 2x4 laid flat is convenient for setting... -
Page 20: Hang The Opener
Installation Step 6 Hang the Opener The opener could fall and injure someone if it is not properly secured. Fasten the opener securel y to structuralsupportsof the garage. Two representative installations are shown. Yours may be different. Hanging brackets should be angled, Figure 1, to provide rigid support. -
Page 21: Install The Door Control And Connect All Wires
Installation Step 7 Install the Door Control Connect all Wiring Do not connectto live electricalwiring. Connect onlyto 24 Volt low voltage wires. Connectionto live wires or higherv oltage may causeseriousinjuryfrom shock,burnor electrocution. Locate the door control within sight of the door at a Childrenoperatingor playing with a garage door opener can minimum height of 5 feet where small children cannot injure themselvesor others. -
Page 22: Electrical Requirements
Installation Step 8 Electrical Requirements To preventelectrocutionor fire, installationand wiring must be in compliancewith localelectricaland building codes. To reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding Do NOT usean extensioncord,2-wireadapter,or change pin. -
Page 23: Install The Lights And Lens
Installation Step 10 Install the Lights and Lens • Install a 100 watt maximum light bulb in each socket. The lights will turn ON and remain lit for approximately 4-1/2 minutes when power is connected. Top Lens Slot Then the lights will turn OFF. •... -
Page 24: Fasten The Door Bracket (Sectional Door)
Installation Step 12 Fasten Door Bracket To prevent damage to steel, alumin urn, fiberglass or Follow instructions which apply to your door type glasspaneldoors,alwaysreinforcethe insideof thedoor as illustrated below or on page 25. bothverticallyand horizontally withan angleiron. 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. -
Page 25: Fasten The 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 Door (fiberglass,... -
Page 26: Connect Door Arm To Trolley (Sectional Door)
Installation Step 13 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. -
Page 27: Connect Door Arm To Trolley (One-Piece Door)
All ONE-PIECE Doors Assemble the Door Arm: Door Ring Bracket Fastener • Fasten the straight and curved door arm sections Lock Nuts ._.,.G:_'_\ '_-"'---._ Straight Washers 5/16"-18 together to the longest possible length (with a 2 or 3 5/16" hole overlap). •... -
Page 28: Adjustment Section - Pages
ADJUSTMENT SECTION: PAGES 28- Adjustment Step 1 Adjust the UP and DOWN Limits Improperadjustment of the travel limitswill interferewith Do not make any limit adjustments until the safety the properoperation of the safety reverse system. The reversing sensors are completely installed. -
Page 29: Force Adjustments
Adjustment Step 2 Adjust the Force Too muchforce on the doorwill interferewith the proper operationof the safety reversesystem. The door might Force adjustment controls are located on the right panel not reverseproper/ywhen requiredand cou/d serious/y of the opener. Force adjustment settings regulate the injureor ki// someoneunderit. -
Page 30: Test The Safety Reversing Sensor
Adjustment Step 3 Test the Safety Reversing Sensor Without a properly working safety reversing sensor, persons(particularly children)could be seriously injured • Press the remote control push button to open the door. or killed if trappedby a c/osinggaragedoor. Repeatthis test oncea month. •... -
Page 31: Operation Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS 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 32: Operation Of Your Opener
Operation of Your Opener Activate the opener with any of the following: • The Remote Control: Hold push button down until the door starts to move. • The Door Control: Hold push bar or button down Weakor brokenspringscould allow an open door to fall until the door starts to move. -
Page 33: Receiver & Remote Control Programming
Receiver & Remote Control Programming NOTICE: To comply with FCC rules, adjustment or modification of this receiver and/or transmitter are prohibited, except for changing the code setting or replacing the transmitter battery. THERE ARE NO OTHER USER SERVICEABLE PARTS. Childrenoperatingor playingwith a garagedoor opener can injurethemselvesor others. -
Page 34: Troubleshooting
Troubleshooting Situation Probable Cause & Solution 1. Does the opener have electric power'? Plug a lamp into the outlet. If it doesn't light, check the The opener doesn't fuse box or the circuit breaker. (Some outlets are controlled by a wall switch.) operate from either the door control or 2. - Page 35 Troubleshooting (continued) Situation Probable Cause & Solution The door opens but 1. If the opener lights blink, check the safety reversing sensor. See page 22. 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 KEY PART DESCRIPTION 41A4796 Hardware bag 41A4795 Hardware bag (includes sprocket coupling) 12B569-1 Left rail bracket 12B569-2 Right rail bracket 1C4827-2 Screw drive rail assembly 12B560 Rail support brace 81C168 Rack 41C4677 Complete trolley assembly 25A18 Sprocket coupling 41A4836... -
Page 37: Repair Parts, Power Unit
Repair Parts Opener Assembly Parts (Down) Brown Contact LIMIT SWITCH ASSY, Wire _ Pr_ Drive_ Center Limit (Up) Yellow Contact Contact Wire 8¢ _Ui _10 PART PART DESCRIPTION DESCRIPTION 31 D426 Drive shaft cover 41A4843 Interrupter cup 41 B4245 Line cord 41A4837 Worm gear and retainer 41C4669... -
Page 38: Accessories
Accessories Available For Your Opener 139.53702 139.53879 3-Function Remote Control: Emergency Key Release: Required for a garage with NO access Includes visor clip. door. Enables homeowner to open garage door manually from outside by disengaging trolley. 139.53703 139.53859 Outdoor Key Switch: Compact 3-Function Remote... -
Page 39: Index
Index Access Door/Emergency Key Release Accessory ....................6, 7, 35, 36 Electrical Safety Warnings ............................2, 22, 31 Garage Door Testing for balance, binding and sticking ......................... 3, 28, 31 Determining high point of travel: Sectional door .................................. One-piece door ................................Disabling existing locks .............................. -
Page 40: How To Order Repair Parts
From the 91 st day until one year from the date of purchase, Sears will furnish replacement parts for any defective parts, free of charge. You pay for labor. LIMITED WARRANTY ON 1/2 HP MOTORS FOR CRAFTSMAN OPENERS After 1 year and through 5 years, Sears will furnish replacement parts for any defective parts in motor, free of charge.