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SEARS
OWNER'S
MANUAL
Model 53479
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 with UL 325 /11
"_
regulations effective
" L%2
January !, 1993
I:RRFTSMRN
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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Summary of Contents for Craftsman 53479

  • Page 1 SEARS OWNER'S MANUAL Model 53479 For Residential Only I:RRFTSMRN 1/2 HP GARAGE DOOR OPENER Caution: Read and follow • Safety Precautions safety rules and • Assembly operating instructions • Installation before first use of this • Adjustment product. • Care and Maintenance •...
  • Page 2 Contents Safety alert symbol review ........... Complete the safety reversing sensor installation..22 Safety inforlnation, precautions, tools ......3 Install the lights and lens .......... Testing your garage door for binding & balance ..3 Attach the elnergency release rope and handle ..23 Carton inventory ............
  • Page 3 Safety Information and Precautions; Tools An unbalanced garage door might not reverse when To avoiddamageto the garagedoor and opener,disable requiredand someoneunder the door couldbe seriously locks beforeinstallingand operatingthe opener.Use a injuredor killed. woodscrewor nailto hold locksin the "open" (unlocked) position. If yourgaragedoorbinds,sticksor isout of balance,call for professional g aragedoorservice.Garagedoors,door Operation at other than 120V 60 Hz will cause opener...
  • 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 i0).
  • Page 5 Hardware Separate all hardware from the packages in the rail carton and the opener carton and group as shown below, the assembly and installation procedures. Assembly Hardware ,,,,,,,,,,,,,,,,,,,, © 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 Steeve...
  • Page 6 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 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

    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 Outward Remove Cardboard Packing Rail Center Support Rait Braces...
  • Page 9 Assembly Step 1 (Continued) Assemble the Rail 4. Begim_ing 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 relnaining joint and the joint.
  • Page 10: Install The Trolley

    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 asselnbly with Rail/Power Unit Power Unit...
  • Page 11 Assembly Step 3 Attach the Rail Brackets 1/4"-20 • Align rail brackets to end of rail assembly, as shown. Rail Lock Nuts Brackets • Insert two i/4"-20 x 5/8" hex screws and lock nuts. Tighten securely with a 7/i 6" socket. Hardware Shown Actual...
  • Page 12: One-Piece Door

    INSTALLATION SECTION: PAGES 12 - 27 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...
  • Page 13: Install The Header Bracket

    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 Walt Vertical vertical centefline of your garage door. Centertine Extend the line onto the header wall above door.
  • Page 14 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 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: Install The Safety Reversing Sensor

    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...
  • Page 17 Installation Step 4 Install the Safety Reversing Sensor (Receiving and Sending Eyes) Figure 1 Figures 1 and 2 show assembly of brackets and "C" wrap based on the recolrdnended 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 I Installation Step 4 (Continued) Install the Safety Reversing Sensor 7. Center each sensor unit in a "C"- wrap with lenses "C" Wra 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 eye to allow for final adjustment.
  • 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 panel doors, 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

    I Installation Step 6 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 stnrdy metal bracket to strnctnral snpports before installing the opener. The bracket and .fastening hardwalv alv not s_lpplied.
  • Page 21 Installation Step 7 Install the Wall Control and Connect all Wiring Childrenoperatingor playingwith a garagedoor opener can injure themselvesor others. The garagedoor could close and cause seriousinjury or death.Install the wall Locate the wall control within sight of the door at a control(or any additionalpushbuttons)out of the reach minimum height...
  • Page 22 Installation Step 8 Electrical Requirements To preventelectrocutionor fire, installationand wiring must be in compliancewith localelectricaland building To reduce the risk of electric shock, your garage door codes, 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 Installation Step 12 Fasten Door Bracket Follow instructions which apply to ),our 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.
  • Page 25 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 Installation Step 13 Connect Door Arm to Trolley Follow instructions which apply to )Tourdoor 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 All ONE-PIECE Doors Assemble the Door Arm: Door Ring Bracket Fastener • Fasten the straight and curved door arm sections "_ Lock Nuts __----------_ Straight Washers 5/16"-18 together to the longest possible length (with a 2 or 3 5/16" hole overlap). •...
  • Page 28: Travel Limit Adjustments

    ADJUSTMENT SECTION: PAGES 28 - 30 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 proper operation of the safety reverse system. The reversing sensors installed.
  • Page 29: Force Adjustlnents

    I Adjustment Step 2 Adjust the Force Too muchforce on the doorwill interferewith the proper operationof the safety reversesystem. The door might Force adjustlnent controls are located on the right panel not reverseproper/y when requiredand cou/d serious/y of the opener. Force adjustlnent settings regulate the injureor ki// someoneunderit.
  • Page 30 I Adjustment Step 3 Test the Safety Reversing Sensor Without a properly working safety reversing sensor, persons(particularly children)couldbe seriouslyinjured • Press the remote control push button to open the door. or killed if trappedby a closinggarage door.Repeatthis test oncea month. •...
  • Page 31: Care Of Your Opener

    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 Activate the opener with any of the following: • The Remote Control: Hold push button down until the door starts to move. • The Wall Control: Hold push bar or button down Weakor brokenspringscouldallowan open door to fall until the door starts to lnove.
  • Page 33 Receiver & Remote Control Programming NOTICE: To comply with FCC rules, adjustment or modNcation 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 injure themselvesor others.
  • Page 34: Trouble Shooting

    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. (Solne outlets are controlled by a wall switch.) operate from either the ,,all control or the 2.
  • Page 35 Troubleshooting (continued) Situation Probable Cause & Solution The door opens but If the opener lights blink, check the safety reversing sensor. See page 22. won't close: If the opener lights do not blink and it is a new installation, check the down force. See Adjustlnent Step 2, page 29.
  • Page 36 Repair Parts Rail Assembly Parts PART DESCRIPTION 41A4796 Hardware 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 Drive sprocket...
  • Page 37 Repair Parts Opener Assembly Parts (Down) Brown Contact LIMIT SWITCH ASSY. Wire, '-...-'_ .[,L_lllilli!!ll!lll!lll!liF}_.[" Drive'l Gear Center Limit (Up) Yellow Contact Contact Wire PART PART DESCRIPTION DESCRIPTION 31 D426 Drive shaft cover 41A4843 Interrupter 41 B4245 Line cord 41A4837 Worm gear and retainer 30B363 Capacitor-...
  • Page 38: Accessories

    Accessories Available For Your Opener Emergency Key Release 53779 3-Function Standard Size Req_dred for a garage with NO Remote Control access door. Enables homeowner to Includes visor clip. open garage door manually from outside by disengaging trolley. 53703 53759 3-Function Compact Outdoor Key Switch...
  • 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: Warranty

    From the 91st 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.

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