Craftsman 139.53920DM Owner's Manual
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Craftsman 139.53920DM Owner's Manual

Craftsman 139.53920DM Owner's Manual

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Owner's Manual/Manual Del Propietario
1/2 HP
GARAGE DOOR OPENER
ABRIDOR DE PUERTA DE COCHERA DE
For Residential Use Only/Sólo para uso residencial
Model/Modelo • 139.53920DM
Read and follow all safety rules and
operating instructions before fi rst use of
this product.
Fasten the manual near the garage door
after installation.
Periodic checks of the opener are required
to ensure safe operation.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A
www.sears.com/craftsman
Leer y seguir todas las reglas de seguridad
y las instrucciones de operación antes de
usar este producto por primera vez.
Guardar este manual cerca de la puerta de
la cochera.
Se deben realizar revisiones periódicas del
abridor de puertas para asegurar su
operación segura.

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Summary of Contents for Craftsman 139.53920DM

  • Page 1 GARAGE DOOR OPENER ABRIDOR DE PUERTA DE COCHERA DE For Residential Use Only/Sólo para uso residencial Model/Modelo • 139.53920DM Read and follow all safety rules and Leer y seguir todas las reglas de seguridad operating instructions before fi rst use of y las instrucciones de operación antes de...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction Adjustment 27-29 Safety symbol and signal word review .....2 Adjust the travel limits ....... .27 Preparing your garage door .

  • Page 3: Preparing Your Garage Door

    Preparing your garage door Before you begin: To prevent possible SERIOUS INJURY or DEATH: • Disable locks. • ALWAYS call a trained door systems technician if garage door • Remove any ropes connected to garage door. binds, sticks, or is out of balance. An unbalanced garage door may NOT reverse when required.

  • Page 4: Planning

    Planning Identify the type and height of your garage door. Survey your • Do you have an access door in addition to the garage door? garage area to see if any of the conditions below apply to your If not, Model 53702 Emergency Key Release is required. See installation.
  • Page 5 Planning (Continued) ONE-PIECE DOOR INSTALLATIONS Without a properly working safety reversal system, persons • Generally, a one-piece door does not require reinforcement. If (particularly small children) could be SERIOUSLY INJURED or your door is lightweight, refer to the information relating to KILLED by a closing garage door.

  • Page 6: Carton Inventory

    Carton Inventory Your garage door opener is packaged in one carton which contains Parts may be stuck in the foam. Hardware for assembly and the motor unit and all parts illustrated below. Accessories will installation is shown on the next page. Save the carton and depend on the model purchased.

  • Page 7: Hardware Inventory

    Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. ASSEMBLY HARDWARE Lock Nut Lock Washer Washer 5/8" (2) 3/8" (1) 3/8" (1) 1/4"-20 (2) Bolt 1/4"-20x1-3/4" (1) Master Link (2) Bolt 1/4"-20x2-1/2 (1) Spacer (2) Idler Bolt (1) Trolley Threaded Shaft (1)

  • Page 8: Assemble The Rail And Install The Trolley

    ASSEMBLY STEP 1 Assemble the Rail & Install the Trolley To prevent INJURY from pinching, keep hands and fi ngers away To avoid installation diffi culties, do not run the garage door from the joints while assembling the rail. opener until instructed to do so. The front rail has a cut out “window”...

  • Page 9: Fasten The Rail To The Motor Unit And Install The Idler Pulley

    ASSEMBLY STEP 2 Fasten the Rail to the Motor Unit To avoid SERIOUS damage to garage door opener, use ONLY • Insert a 1/4"-20x2-1/2 bolt, washer and spacer into the cover those bolts/fasteners mounted in the top of the opener. protection bolt hole on the back end of the rail as shown.

  • Page 10: Install The Chain/Cable

    ASSEMBLY STEP 4 Install the Chain/Cable To avoid possible SERIOUS INJURY to fi ngers from moving 1. Pull the cable around the idler pulley and toward the trolley. garage door opener: 2. Connect the cable to the retaining slot on the trolley, as shown •...

  • Page 11: Tighten The Chain

    ASSEMBLY STEP 5 Tighten the Chain • Spin the inner nut and lock washer down the trolley threaded Figure 1 Trolley shaft, away from the trolley. Outer Lock Threaded Washer Shaft • To tighten the chain, turn outer nut in the direction shown To Tighten Outer Nut (Figure 1).

  • Page 12: Determine The Header Bracket Location

    INSTALLATION STEP 1 Unfi nished Ceiling Determine the Header Bracket Location OPTIONAL CEILING MOUNT HEADER Header Wall BRACKET To prevent possible SERIOUS INJURY or DEATH: Vertical Centerline • Header bracket MUST be RIGIDLY fastened to structural of Garage Door support on header wall or ceiling, otherwise garage door Structural might NOT reverse when required.

  • Page 13: 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 Wall Mount work best for your particular requirements. Do not install the header bracket over drywall.

  • Page 14: 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. NOTE: 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 15: Position The Opener

    INSTALLATION STEP 4 Position the Opener To prevent damage to garage door, rest garage door opener rail Follow instructions which apply to your door type as illustrated. on 2x4 placed on top section of door. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid fl...

  • Page 16: Hang The Opener

    INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling garage door Three representative installations are shown. Yours may be opener, fasten it SECURELY to structural supports of the different. Hanging brackets should be angled (Figure 1) to provide garage.

  • Page 17: Install The Door Control

    INSTALLATION STEP 6 Install the Door Control To prevent possible SERIOUS INJURY or DEATH from Locate door control within sight of door, at a minimum height of electrocution: parts of door. 5 feet (1.52 m) where small children cannot reach, away from •...

  • Page 18: Install The Lights

    INSTALLATION STEP 7 Install the Lights To prevent possible OVERHEATING of the endpanel or light • Install a 75 watt maximum light bulb in the socket. Light bulb socket: size should be A19, standard neck only. The lights will turn ON •...

  • Page 19: Electrical Requirements

    INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from To avoid installation diffi culties, do not run the opener at this electrocution or fi re: time. • Be sure power is NOT connected to the opener, and To reduce the risk of electric shock, your garage door opener has a disconnect power to circuit BEFORE removing cover to grounding type plug with a third grounding pin.

  • Page 20: Install The Protector System

    INSTALLATION STEP 10 Install The Protector System Be sure power is NOT connected to the garage door opener The safety reversing sensor must be connected and aligned BEFORE installing the safety reversing sensor. correctly before the garage door opener will move in the down To prevent SERIOUS INJURY or DEATH from a closing garage direction.

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