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Garage Door Opener

Models

139.18815 - 1/2 HP
139.18855 - 1/2 HP
139.18859 - 1/2 HP
139.18860 - 1/2 HP

For Residential Use Only

®

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Owner's Manual

Please read this manual and the enclosed safety materials carefully!

Fasten the manual near the garage door after installation.

The door WILL NOT CLOSE unless the Safety Reversing System is connected
and properly aligned.

Periodic checks and adjustment of the opener are required to ensure safe
operation.

The model number label is located under the light lens on the left side of your
opener.

Summary of Contents for 139.18815

Page 1: ...d the enclosed safety materials carefully Fasten the manual near the garage door after installation The door WILL NOT CLOSE unless the Safety Reversing System is connected and properly aligned Periodic checks and adjustment of the opener are required to ensure safe operation The model number label is located under the light lens on the left side of your opener ...

Page 2: ...oor arm to trolley sectional door 26 Connect door arm to trolley one piece door 27 Adjustment section pages 28 30 Travel limit adjustments 28 Force adjustments 29 Test the safety reversing sensor 30 Test the safety reverse system 30 Operation safety instructions 31 Care of your opener 31 Maintenance schedule 31 Operation of your opener 32 Receiver transmitter programming 33 Having a problem 34 35 ...

Page 3: ...y injured or killed If your garage door binds sticks or is out of balance call for professional garage door service Garage doors door springs cables pulleys brackets and their hardware are under extreme tension and can cause serious injury or death Do not try to loosen move or adjust them yourself Ropes left on a garage door could cause someone to become entangled and killed Remove all ropes conne...

Page 4: ...alled Step 10 page 22 Alternate floor mounting of the safety reversing sensor will require hardware not provided Step 11 page 24 Do you have a steel aluminum fiberglass or glass panel door If so horizontal and vertical reinforcement is required Look at the garage door where it meets the floor It must close on the floor all the way across Otherwise the safety reverse system may not work properly Se...

Page 5: ... is not provided Step 11 page 25 Generally a one piece door does not require reinforcement If your door is lightweight you can refer to the information relating to sectional doors on page 24 Step 11 page 25 Depending on your door s construction you might need additional mounting hardware for the door bracket Do you have an access door in addition to the garage door If not Model 18752 Outside Troll...

Page 6: ...OUNT ONLY Safety Reversing Sensor 2 1 Sending Eye 1 Receiving Eye Safety Reversing Sensor Mounting Bracket With Square Holes 2 C Wrap 2 Safety Reversing Sensor Mounting Bracket With Slot 2 Trolley TOGARAGEDOOR T Rail Center Section T Rail End Sections Light Lens 2 Mini Three Function Transmitter Models 18859 18860 Touch Code Transmitter Models 18859 18860 Opener Carton Inventory Your garage door o...

Page 7: ... 18x2 1 2 2 Carriage Bolts 1 4 20x1 2 4 Hex Screw 5 16 18x7 8 3 Master Link 2 Ring Fastener 3 Trolley Threaded Shaft 1 Screw 6ABx1 2 Lock Washer 5 16 6 Lag Screw 5 16 18x1 7 8 4 Lock Nut 1 4 20 4 Carriage Bolts 1 4 20x1 2 4 Safety Reversing Sensor Installation Hardware Kit 41A4116 Hex Screw 1 4 20x1 1 2 2 Screw 10 32x3 8 4 Lock Nut 10x32 4 Wing Nut 2 Insulated Staples 20 Rail Grease Lag Screw 1 4x...

Page 8: ...5 16 Hex Screws 5 16 18x7 8 Cable Pulley Bracket Bracket T rail Must Be Aligned Lock Washer 5 16 Nut 5 16 Assemble Tee Rai SE 4 16 89 6 Make sure bolt necks are seated in the square holes and rails are aligned before you tighten lock nuts See right and wrong views Improper assembly can cause jerky trolley operation noise and or nuisance door reversals To avoid installation difficulties do not run ...

Page 9: ...crew 5 16 18x7 8 Lock Washer 5 16 9 Attach the threaded shaft to the trolley with the lock washer and nuts as shown As a temporary stop insert a screwdriver into the hole in the front end of the T rail Slide the trolley assembly along the rail to the screwdriver stop If trolley hits against the nut on the T rail the bolts and nuts were attached from the wrong side and must be repositioned Review S...

Page 10: ...inst the screwdriver dispense the cable around the pulley Proceed back around the opener sprocket Figure 2 Be sure sprocket teeth engage the chain Continue forward to the trolley threaded shaft Figure 3 Use the second master link to connect the chain to the flat end of the shaft Check to make sure the chain is not twisted Remove the screwdriver Cable Pulley Cable Loop Master Link Bar Master Link C...

Page 11: ... severe injury or death Repairs to cables spring assemblies and other hardware must be made by a professional service person before installing opener 3 Disable all locks and remove all ropes connected to the garage door before installing the opener Ropes connected to a garage door can cause entanglement and death 4 If possible install door opener 7 feet or more above floor with the manual release ...

Page 12: ...y if a torsion spring or center bearing plate is in the way or you can attach it to the ceiling refer to page 14 when clearance is minimal If you need to install the header bracket on a 2x4 on wall or ceiling use lag screws not supplied to securely fasten the 2x4 to structural supports Installation Section Pages 12 27 Sectional door with curved track One piece door with horizontal track Installati...

Page 13: ...racket height on header wall 12 Measure UP from top of CLOSED door Proceed to Step 2 page 14 13 Header Wall Highest Point of Travel Door Distance Jamb Hardware Door Highest Point of Travel Header Wall Pivot Distance ONE PIECE Door Without Track Open your door to the highest point of travel as shown Measure the distance from the top of the door to the floor Subtract the actual height of the door Ad...

Page 14: ... the bracket securely to structural support with the hardware provided Extend the vertical guideline onto the ceiling as shown Center the bracket on the vertical mark no more than 6 from the wall Make sure the arrow is pointing toward the wall The bracket can be mounted flush against the ceiling when clearance is minimal Mark holes designated for ceiling mount only Drill 3 16 pilot holes and faste...

Page 15: ...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 T rail to clear the spring Position the cable pulley bracket against the header bracket Align the bracket holes and join with a clevis pin as shown Insert a ring fastener to secure 15 Installation Step 3 Attach the T rail to the Header Bracket Clevis Pin ...

Page 16: ... T rail If the top panel hits the trolley when you raise the door pull down on the trolley release arm to disconnect the inner and outer sections The trolley can remain disconnected until Step 12 is completed T rail 2x4 laid flat Door Stepladder ONE PIECE Door without Track With the door fully open and parallel to the floor measure the distance from the floor to the top of the door Using a steplad...

Page 17: ...ts Check to make sure the T rail is centered over the door or in line with the header bracket if the bracket is not centered above the door Remove the 2x4 Operate the door manually If the door hits the rail raise the header bracket Bracket Not Supplied Lag Screws 5 16 x1 7 8 Not Supplied 5 16 18x7 8 Screw 5 16 Lock Washer 5 16 18 Nut Finished Ceiling 5 16 18x7 8 Screw 5 16 Lock Washer 5 16 18 Nut ...

Page 18: ...r happement après tout réglage de la force de déclenchement ou des seuils de fin de course s assurer que le sens de la course s inverse lorsque la porte entre en contact avec un object de 13 mm 1 po de hauteur ou un madrier de 2 x 4 de section à plat posé sur le sol Effectuer les reglages selon les procédures décrites dans la notice 1 3 9 7 5 2 3 1 2 1 1 2 Strip 1 4 of insulation from one end of t...

Page 19: ...tied and you could fall Use the emergency release only to disengage the trolley and if possible only when the door is closed Garage doors are heavy If the door is open when the handle is pulled the door could close inadvertently if it is not properly balanced Serious injury may result to persons under the door Make sure the doorway is clear of persons and obstructions before pulling handle when do...

Page 20: ...nect the black line wire to the screw on the brass terminal the white neutral wire to the screw on the silver terminal and the ground wire to the green ground screw The opener must be grounded Reinstall the cover 20 To prevent electrocution or fire installation and wiring must be in compliance with local electrical and building codes Permanent Wiring Connection Right Wrong To avoid installation di...

Page 21: ...dd a piece of wood at each location if installing in masonry construction The invisible light beam path must be unobstructed No part of the garage door or door tracks springs hinges rollers or other hardware can interrupt the beam while the door is closing If it does use a piece of wood to build out each sensor mounting location to the minimum depth required for light beam clearance 21 Information...

Page 22: ...igure 2 Connect each assembly to a slotted bracket using the hardware shown in Figure 3 Note the alignment of the brackets for left and right sides of the door Finger tighten the lock nuts Use bracket mounting holes as a template to locate and drill 2 3 16 diameter pilot holes on both sides of the garage door 4 6 above the floor but not exceeding 6 See warning on page 21 Attach bracket assemblies ...

Page 23: ...y light When indicator lights are glowing steadily in both units tighten the wing nut in the receiving eye unit 23 Push connector in until you hear a click Tab should be flush with back of connector Insert the wire connector into each sensor and push until you hear a click Figure 6 The white tab on the sensor should be flush with the back of the connector Wire Connector White Tab Safety Sensor Tro...

Page 24: ...wing limits A The top edge of the bracket 2 4 below the top edge of the door B The top edge of the bracket directly below any structural support across the top of the door Mark and drill 5 16 left and right fastening holes Secure the bracket as shown in Figure 1 if there is vertical reinforcement If your installation doesn t require vertical reinforce ment but does need top and bottom fastening ho...

Page 25: ...Door Installation Procedure Center the bracket with or without the plate according to your fastening requirements on the inside face of the door in line with the header bracket as shown Mark either the left and right or the top and bottom holes Drill 5 16 pilot holes and fasten the door bracket with hardware supplied 25 Please read and comply with the warnings and reinforcement instructions on pag...

Page 26: ...6 18x7 8 Emergency Release Handle Rope Figure 3 If holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 from the solid end Reconnect to trolley with cut end down as shown Bring arm sections together Find two pairs of holes that line up and join with screws lock washers and nuts Lock Washers 5 16 Nuts 5 16 18 Screws 5 16 18x7 8 Cut This End Proceed to Adjustment S...

Page 27: ...el to the floor and lift the door arm to the trolley The arm should touch the trolley just in back of the door arm connector hole Refer to the fully open trolley door arm positions in the illustration If the arm does not extend far enough adjust the limit further One full turn equals 2 of trolley travel Closed Door Adjustment Decrease DOWN limit Turn the DOWN limit adjustment screw clockwise 5 com...

Page 28: ...Adjustment Step 2 Use a screwdriver to make limit adjustments How and When to Adjust the Limits If the door does not open completely but opens at least five feet Increase up travel Turn the UP limit adjustment screw clockwise One turn equals 2 of travel If door does not open at least 5 feet Adjust the UP open force as explained in Adjustment Step 2 If the door does not close completely Increase do...

Page 29: ...r happement après tout réglage de la force de déclenchement ou des seuils de fin de course s assurer que le sens de la course s inverse lorsque la porte entre en contact avec un object de 13 mm 1 po de hauteur ou un madrier de 2 x 4 de section à plat posé sur le sol Effectuer les reglages selon les procédures décrites dans la notice 1 3 9 7 5 2 3 1 TO PROGRAM RECEIVER CODE FOR EACH REMOTE CONTROL ...

Page 30: ... Adjustment Step 3 Test The Safety Reversing Sensor Press the transmitter push button to open the door Place the opener carton in the path of the door Press the transmitter push button to close the door The door will not move more than an inch and the opener light s will flash The garage door opener will not close from a transmitter if the indicator light in either sensor is off alerting you to th...

Page 31: ...ener 31 Force Controls Limit Controls 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 3 Operate opener only when the door is in full view and free from any obstruction Keep the door in sight until i...

Page 32: ... size is 75 watts maximum The lockout feature prevents the trolley from reconnecting auto matically Pull the emergency handle down and back toward the opener The door can then be raised and lowered manually as often as necessary To disengage the Lockout Feature pull the emergency handle straight down The trolley will reconnect on the next UP or DOWN operation Trolley Trolley Release Arm NOTICE Eme...

Page 33: ...Hz 19 683 code transmitter Item Nos 18778 or 18779 C One Touch Code Transmitter Item No 18776 To Add A Transmitter 1 Select a transmitter push button to operate the receiver 2 Press and hold the selected transmitter push button Figure 1 3 Then press and release the SRT button on the right side panel of the opener Figure 2 The opener light will flash once Now the opener will operate when the transm...

Page 34: ...iver to match the transmitter code 5 Repeat the receiver programming procedure with all transmitters The transmitter has short range The garage door opens and closes by itself 1 Be sure that all transmitter push buttons and battery indicator lights are off 2 Remove the bell wire from the Wall Control terminals and operate from the transmitter only If this solves the problem the Wall Control is fau...

Page 35: ...riefly then won t work The opener won t operate due to power failure 1 Use the emergency release rope and handle to disconnect the trolley The door can be opened and closed manually When the power is restored press the Wall Control push bar and trolley will automatically reconnect unless trolley is in lockout position See page 32 2 The Outside Trolley Release accessory for use on garages with no s...

Page 36: ...rved door arm section 12 178B34 Straight door arm section 13 41A4373 Safety sensor kit receiving sending eye only 14 41B4115 2 conductor bell wire with connector 2 rolls white white black 15 12B483 C wrap bracket 16 12B484 Square hole bracket 17 12B485 Slotted bracket 18 12B350 Hanging brackets NOT SHOWN 41A3535 Installation hardware bag includes hardware illustrated on page 7 41A4116 Safety senso...

Page 37: ...e harness assy w plug 6 41A4315 6B Receiver logic board assy Complete with Logic board End panel w all labels 7 41A4577 End panel w all labels 8 175B88 Light socket KEY PART NO NO DESCRIPTION 9 108D46 Lens 10 30B363 Capacitor 11 12A373 Capacitor bracket 12 41A3150 Terminal block w screws 13 41D3058 Universal replacement motor bracket assembly Complete with Motor worm bracket bearing assembly RPM s...

Page 38: ...oor Key Switch Opens the garage door automatically from outside when transmitter is not handy Door Clearance Brackets For Sectional Doors Only Replace top brackets and rollers on door to reduce height of door travel For use when installing opener in garage with low headroom clearance 10 ft Rail Extension To allow a 10 foot door to open fully 8 ft Rail Extension To allow an 8 foot door to open full...

Page 39: ...might require limit adjustments 34 35 Safety warnings 28 31 Manual Emergency Release Rope Handle Lockout feature 32 Manual disconnect 32 Safety warnings 11 19 31 32 Opener Terminals Wall control connections 18 Safety reversing sensor connections 23 Outdoor key switch accessory connections 18 Operational Noise Sprocket noise 11 Vibration noise isolator kit 34 Receiver and Transmitter Programming th...

Page 40: ...ears will furnish replacement parts for any defective parts free of charge You pay for labor LIMITED WARRANTY ON MOTOR 1 2 HP Motor After 1 year and through 5 years Sears will furnish replacement parts for any defective parts in motor free of charge You pay for labor 1 3 HP Motor After 1 year and through 3 years Sears will furnish replacement parts for any defective parts in motor free of charge Y...

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