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Manual Sears 139.18847

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  • Sears 139.18847 - page 1

    GARA GE DOOR OPENER 1/2 HP O WNER’S MANU AL Model No. 139.18847 139.18857 For Residential Use Only Caution: Read and f ollow all safety rules and operating instructions bef ore first use of this pr oduct. F asten the manual near the garage door after installation. The Chamberlain Group, Inc. Cover - SEARS 4/16/92 ® ■ Safety Precautions ? ...

  • Sears 139.18847 - page 2

    Start by Reviewing these Important Safety Alert Symbols 2 Contents Page A review of safety alert symbols ................................. 2 You'll need tools .......................................................... 3 Safety information regarding garage door locks and ropes ......................................................... 3 Testing ...

  • Sears 139.18847 - page 3

    Pliers Wire Cutters Claw Hammer Hack Saw Screwdriver Adjustable End Wrench 1/2" and 7/16" Sockets and Wrench Drill Tape Measure 2 1 Stepladder Pencil 3/16", 5/16", and  5/32" Drill Bits Carpenter's Level Pince universelle Pince coupante Marteau Scie à métaux Tournevis Clé à molette Clé à douille et douil ...

  • Sears 139.18847 - page 4

    4 Safety Reversing Sensor Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum, door with glass panels, etc.). See page 24 for details. Support bracket &  fastening hardware is required. See page 17. Trolley Cable Emergency Release Rope & Handle Garage Door S ...

  • Sears 139.18847 - page 5

    Safety  Reversing Sensor FINISHED CEILING Support bracket & fastening hardware may be required. See page 17. Slack in Chain Tension is Normal When Garage Door is Closed Safety Reversing Sensor Header Wall Access Door Gap between floor and bottom of door must not exceed 1/4" Cable Pulley Bracket Header ...

  • Sears 139.18847 - page 6

    6 Straight Door Arm Section Curved Door Arm Section Safety Labels and Literature Cable Pulley Bracket Chain and Cable in Dispensing Carton Header Bracket UP CEILING MOUNT ONLY Safety Reversing Sensor Mounting Bracket With Square Holes (2) "C" Wrap (2) Safety Reversing Sensor Mounting Bracket With Slot ( ...

  • Sears 139.18847 - page 7

    7 Lock Washer 5/16" (4) Nut 5/16"-18 (6) Clevis Pin 5/16"x2-3/4" (1) NOTICE Handle Insulated Staples (10) Assembly Hardware Kit 41A3534 Installation Hardware Kit 41A3475-4 Dry Wall Anchors (2) Clevis Pin 5/16"x1" (1) Hex Screw 5/16"-18x7/8" (4) Rope Lock Nut 1/4"-20x7/16" (4) Nu ...

  • Sears 139.18847 - page 8

    8 Assembly Step 1 Assemble the T -rail & Attach the Cable Pulley Bracket • Align the 3 T-rail sections on a flat surface exactly as shown. The end sections are identical. Make sure the "arrow label" on the center section is pointing toward the door. • Insert the carriage bolts so the square bolt necks seat in the square holes in t ...

  • Sears 139.18847 - page 9

    Assembly Step 2 Install the Trolley on the T -rail • Place the opener on packing material to protect the cover. For convenience, put a support under the cable pulley bracket. • Remove the (2) 5/16"-18x1/2" washered screws mounted in the top of the opener. • Align the holes in the back section of the T-rail with the holes in the open ...

  • Sears 139.18847 - page 10

    Assembly Step 4 Install the Chain/Cable & Attach the Sprocket Cover Cable Pulley Cable Loop Master Link Bar Master Link Clip-On Spring Trolley T-rail Pin Pin Notch Chain Flat End of Trolley Threaded Shaft Master Link Cap Master Link Cap Master Link Clip-On Spring Install Chain and Cable In This Direction The Chambe ...

  • Sears 139.18847 - page 11

    • Spin the inner nut and lock washer down the threaded shaft, away from the trolley. • To tighten the chain, turn outer nut in the direction shown. As you turn the nut, keep the chain from twisting. • When the chain is approximately 1/2" above the base of the T-rail at its midpoint, re-tighten the inner nut to secure the adjustment. Spro ...

  • Sears 139.18847 - page 12

    • Open your door to the highest point of travel as shown. Draw an intersecting horizontal line on the header wall 2" above the high point. This height will provide travel clearance for the top edge of the door. Door clearance brackets are available for sectional doors when headroom clearance is less than 2". See accessory page 38. Heade ...

  • Sears 139.18847 - page 13

    Door Highest Point of Travel Header Wall Pivot Distance Header Wall Highest Point of Travel Door Distance Jamb Hardware The Chamberlain Group, Inc. Position Header Bracket One Piece Door Without Track 1/30/92 - 4/7/92 Header Wall Vertical Centerline Vertical Centerline of Garage Door 2x4 Unfinished Ceiling Structural supports 2x4 OPTIONAL CEILING M ...

  • Sears 139.18847 - page 14

    Lag Screws 5/16"x9x1-5/8" Highest Point of Travel (of Garage Door) Vertical Center Line Header Wall Garage Door Mounting Header Bracket to WALL Mounting New Header Bracket 10/16/91 - 10/26/91 - 4/5/92 UP CEILING MOUNT ONLY Wall Mounting Holes Optional  Wall Mounting Holes UP CEILING MOUNT ONLY Ceiling Moun ...

  • Sears 139.18847 - page 15

    Header Bracket Cable Pulley Bracket Temporary Support Header Wall Garage Door The Chamberlain Group, Inc. Attach Tee Rail to Header Bracket 2/4/92 - 4/9/92 T-rail Clevis Pin 5/16"x2-3/4" Ring Fastener Header Bracket Cable Pulley Bracket T-rail • Position the opener on the garage floor below the header brack ...

  • Sears 139.18847 - page 16

    Installation Step 4 Position the Opener Follow instructions which apply to your door type as illustrated. To prevent damage to steel, aluminum, fiberglass or glass panel doors, do not rest the opener on the door without using a 2x4. SECTIONAL Door & ONE-PIECE Door with T rack A 2x4 laid flat is convenient for setting an ideal door-to-T-rail dis ...

  • Sears 139.18847 - page 17

    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. The bracket and fastening hardware are not supplied. • Mea ...

  • Sears 139.18847 - page 18

    Installation Step 6 Install the Door Control 18 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 injury from shock, burn or electrocution. Children operating or playing with a garage door opener can injure themselves or others. The garage door could clo ...

  • Sears 139.18847 - page 19

    The Chamberlain Group, Inc. Step 7 Install Light and Lens - Sears 4/17/92 - 4/20/92 Lens Guide Lens Slot 75 Watt Max. Light Bulb Lens Tab Light Lens Guides du diffuseur Encoche  du diffuseur Ampoules de 75 watts maximum Patte du diffuseur Diffuseur Install the light: • Install a 75 watt maximum light bulb in each socket. The ...

  • Sears 139.18847 - page 20

    T o reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding pin. This plug will only fit into a grounding type outlet. If the plug doesn't fit into the outlet you have, contact a qualified electrician to install the proper outlet. RIGHT WRONG Ground Tab Green Ground Screw Ground Wire Black Wi ...

  • Sears 139.18847 - page 21

    The safety reversing sensor must be connected 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 procedures are the same for sectional and one-piece doors. W ithout a properly working safety reversing sensor , persons (particularly children) coul ...

  • Sears 139.18847 - page 22

    1/4x1-1/2" Lag Screw #10-32x3/8" Screw 1/4"-20 Lock Nut #10x32 Lock Nut Staples 1/4"-20x1/2" Carriage Bolts Tire-fond de 1/4x1-1/2 po Écrou 1/4 de po-20 Agrafes Boulons à tête bombée et collet carré de 1/4 de po-20x1/2 po Vis n 10- 32x3/8 de po o Écrou n 10x32 o Installation Step 10 ...

  • Sears 139.18847 - page 23

    Invisible Light Beam Protection Area Sensor Sensor Connect Wire to Opener Terminals Attaching Sensor to "C" Wrap and Wires to Operator 11/14/91 - 1/15/92 Bell Wire Bell Wire Finished Ceiling OPENER TERMINAL SCREWS Sensor Connections Door Control Connections (dotted line) 1 2 3 • Center each sensor unit in a "C& ...

  • Sears 139.18847 - page 24

    Installation Step 1 1 Fasten Door Bracket Follow instructions which apply to your door type as illustrated below or on page 25. To prevent damage to steel, aluminum, fiberglass or glass panel doors, always reinforce the inside of the door both vertically and horizontally with an angle iron. A horizontal brace should be long enough to be secured to ...

  • Sears 139.18847 - page 25

    Door Bracket Inside Edge of Door or Reinforcement Board Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, aluminum, steel,  door with glass panel, etc.). Header Wall Vertical Centerline of Garage Door Finished Ceiling Header Bracket Door Bracket Fasten Door Bracket and Plat ...

  • Sears 139.18847 - page 26

    Clevis Pin 5/16"x1-1/4" Clevis Pin 5/16"x1" DoorArmTtoTrolleySec/FR New door brkt 1/96 Ring Fastener Door Bracket Door Bracket Curved Door Arm Straight Door Arm Inner Trolley Outer Trolley Lock Washers 5/16" Nuts 5/16"-18 Screws 5/16"-18x7/8" Emergency Release Handle ...

  • Sears 139.18847 - page 27

    Nuts 5/16"-18 Lock Washers 5/16" Ring Fastener Straight Door Arm Screws 5/16"-18x7/8" Door Bracket 5/16"x1-1/4" ClevisPin Curved Door Arm Fully Open Trolley Door Arm Connector Hole Door Arm Closed Door Open Door Door with Backward Slant Door Arm Connector Hole Fully Closed T ...

  • Sears 139.18847 - page 28

    Adjustment Step 1 Adjust the UP and DOWN Limits Do not make any limit adjustments until the safety reversing sensors are completely installed. 28 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. The door will reverse in t ...

  • Sears 139.18847 - page 29

    Adjustment Step 2 Adjust the Force Too much force on the door will interfere with the proper operation of the safety reverse system. The door might not reverse properly when required and could seriously injure or kill someone under it. Do not increase the force beyond the minimum amount required to close the door. Do not use the force adjustments t ...

  • Sears 139.18847 - page 30

    Adjustment Step 4 T est the Safety Reverse System Test: • Place a one-inch board (or a 2x4 laid flat) on the floor, centered under the garage door. • Operate the door in the down direction. The door must reverse on striking the obstruction. Adjustment: If the door stops on the obstruction, it is not traveling far enough in the down direction. ? ...

  • Sears 139.18847 - page 31

    Once a Month Manually operate door. If it is unbalanced or binding, call for professional garage door service. Check to be sure door opens & closes fully. Adjust limits and/or force if necessary. (See pages 28 and 29.) Repeat the safety reverse test. Make any necessary adjustments (See page 30). Twice a Year Check chain tension. Disconnect trol ...

  • Sears 139.18847 - page 32

    To open the door manually: The door should be fully closed if possible. Pull down on the red emergency release handle and lift the door manually. To reconnect the door to the opener, press the Door Control push button. 32 Activate the opener with any of the following: • The Remote Control: Hold push button down until the door starts to move. • ...

  • Sears 139.18847 - page 33

    33 Adjust Force - SEARS Bouton "SRT" (intelligent) Ouvre-porte de garage (avec bouton "SRT") Témoin PANNEAU ARRIÈRE KG KG 1 3 9 7 5 1 3 9 7 5 1 2 3 "SRT" (learn) Button Garage Door Opener (With "Smart" Button) Indicator Light BACK PANEL KG KG 1 3 9 7 5 1 3 9 7 5 1 2 3 On trouvera ég ...

  • Sears 139.18847 - page 34

    1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, check the fuse box or the circuit breaker. (Some outlets are controlled by a door switch.) 2. Have you disabled all door locks? Review installation instruction warnings on Page 11. 3. Is there a build-up of ice or snow under the door? The door may be froz ...

  • Sears 139.18847 - page 35

    Having a Problem? (continued) Situation Probable Cause & Solution The door reverses for no apparent reason and opener lights don't blink: 1. Is something obstructing the door? Pull the red emergency release handle. Operate the door manually. If it is unbalanced or binding, call for professional garage door service. 2. Clear any ice or snow ...

  • Sears 139.18847 - page 36

    7 4 NOTICE 5 6 UP CEILING MOUNT ONLY 8 14 15 11 12 13 10 9 1 2 4 5 2 3 2 3B FOR REMOTE MODEL 139.18791B 3A 2 FOR REMOTE MODEL 139.18791 TO GARAGE DOOR 1 2 4 4 6 5 7 RAIL GREASE NO. 83A4 3 Repair P arts Rail Assembl y P arts Installation P arts 36 KEY P AR T NO . NO . DESCRIPTION 1 1A995 Master link kit 2 41A3489 Complete trolley assemb ...

  • Sears 139.18847 - page 37

    Repair P arts Opener Assembl y P arts 1 2 10 8 11 12 13 14 15 16 19 4 3 Exploded View SEARS 315-699 (Yellow Disk #3) Models 53315, 53415, 53615, 53625 & 53699 4/3/89 - 6/20/89 - 6/25/89 - 8/2/90 DN UP Brown Wire (Down) Contact LIMIT SWITCH ASSEMBLY Grey Wire Yellow Wire (Up) Contact Center Limit Contact Drive Gear 9 20 16 7 5 6 88 12 17 18 3 KE ...

  • Sears 139.18847 - page 38

    38 Accessories Sears offers many useful accessories for your garage door opener . They are illustrated below with Sears model numbers and descriptions SECURITY ✚ Compact 3-Function Remote Control: With loop for attaching key ring. (Available August, 1997) SECURITY ✚ Single-Function Remote Control: Includes visor clip. (Available May , 1997) SEC ...

  • Sears 139.18847 - page 39

    Index Access Door/Outside Key Release Accessory ...............................................................................................4, 5 Chain Tension ..............................................................................................................................................4, 5, 11 Electrical Safety Warnings .......... ...

  • Sears 139.18847 - page 40

    O WNER’S MANU AL Model No. 139.18847 139.18857 The model number label is located under the light lens on the left side panel of your opener . When requesting service or ordering parts, always provide the following information: ■ Product T ype ■ Model Number ■ Part Number ■ Part Description ® MD GARA GE DOOR OPENER ® MD SEARS W ARRANTY F ...

Manufacturer Sears Category Garage Door Opener

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