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Craftsman 139.18076, Owner'S Manual, Page: 9 / 40

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Craftsman 139.18076 Owner'S Manual Download Page 9

Assembly Step 2

Fasten the Rail to the Opener

• Lay the chain/cable beside the rail, as shown.

Grasp the end with the cable loop and pass
approximately 12" of cable through the window.
Allow it to hang until Assembly Step 5.

• Remove the tape from the idler pulley. The inside

center should be pre-greased. If dry, regrease to
ensure proper operation.

• Place the idler pulley into the window as shown.

• Insert the idler bolt from the top through the rail

and pulley. Tighten with a 3/8" lock washer and
nut underneath the rail until the lock washer is
compressed. 

• Rotate the pulley to be sure it spins freely.

• Insert a 1/4"-20x1-3/4 bolt into the trolley stop

hole in the front of the rail as shown. Tighten
securely with a 1/4"-20 lock nut.

9

Assembly Step 3

Install the Idler Pulley

To fasten rail, use only those screws mounted
in the top of the opener. Any other screws will
cause serious damage to the opener.

Lock Nut

1/4"-20

Bolt 1/4"-20 x 1-3/4

Hardware Shown Actual Size

Nut 3/8"

Lock Washer 3/8"

Idler Bolt

Lock Nut 1/4"-20

Bolt 1/4"-20 x 1-3/4

Hardware Shown Actual Size

CAUTION

CAUTION

Cover 

Protection

Bolt Hole

Opener

Sprocket

"U" Bracket

Screws

Lock Nut

Bolt

Hook Spreader 

into Back Slots, 

then Snap Tab 

Into Front Slot

SLIDE RAIL TO STOPS

 ON TOP AND SIDES

 OF BRACKET

Idler

Pulley

Grease

Inside Pulley

3/8" Lock

Washer

3/8" Nut

Cable Loop

Idler

Bolt

Locking Pliers

Trolley

Stop Hole

Chain and

Cable

Pulley

Rail

Bolt

Nut

Washer

Trolley

Idler Pulley

Trolley

Stop Hole

Bolt

• Insert a 1/4"-20x1-3/4 bolt into the cover

protection bolt hole on the back end of the rail as
shown. Tighten securely with a 1/4"-20 lock nut.

• Remove the two screws from the top of the

opener.

• Place the U bracket, flat side down, on the opener

and align the bracket holes with the screw holes.
Fasten with the previously removed screws.

• Attach spreaders to the U bracket by snapping

them into place.

• Align the rail assembly with the top of the opener.

Slide the rail end onto the U-bracket, 

all the way

to the stops that protrude on the top and sides of
the bracket.

Summary of Contents for 139.18076

Page 1: ...recautions Assembly Installation Adjustment Maintenance Operation Troubleshooting Parts List MD Sears Canada Inc Toronto Ontario M5B 2B8 Visit our Craftsman website www sears com craftsman 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 Owner s Manual ...

Page 2: ...rm 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 and remote control programming 33 Having a problem 34 3...

Page 3: ...o loosen move or adjust them yourself Ropes left on a garage door could cause someone to become entangled and killed Remove all ropes connected to the door before installing and operating the opener To avoid damage to the garage door and opener disable locks before installing and operating the opener Use a wood screw or nail to hold locks in the open unlocked position Operation at other than 120V ...

Page 4: ...versing sensor page 21 Depending upon garage construction wood blocks or extension brackets see Accessories page 38 may be needed to fasten sensors to mounting locations Step 10 page 22 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 L...

Page 5: ...ies page 38 may be needed to fasten sensors to mounting locations Step 10 page 22 Floor mounting of the safety reversing sensor will require hardware that 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 y...

Page 6: ...t SECURITY Three Function Remote Control with Visor Clip Models 18076 18096 2 18675 18676 18686 18696 2 18975 SECURITY Compact 3 Function Remote Control Models 18076 18086 18676 18686 SECURITY Keyless Entry Models 18076 18676 Rail Center Back Sections Rail Front header Section 6 Carton Inventory Your garage door opener is packaged in two cartons which contain the powerhead and the parts illustrate...

Page 7: ...1 4 1 SAFETY REVERSING SENSOR Master Link 2 Idler Bolt 1 Nut 3 8 1 INSTALLATION ASSEMBLY Wing Nut 2 Insulated Staples 20 Spacer 2 Trolley Threaded Shaft 1 Bolt 1 4 20 x 1 3 4 2 Lock Washer 3 8 1 Chain Spreader 2 Nut 5 16 18 8 Lock Nut 1 4 20 2 Carriage Bolt 1 4 20x1 2 2 Carriage Bolt 5 16 18x2 1 2 2 Screw 6 32x1 2 Separate all hardware from the packages in the rail carton and the opener carton as ...

Page 8: ...pposite edge about 4 3 4 from the far end A 3 piece rail uses two back rails 1 Remove the straight door arm and clevis pin packaged inside the front rail and set aside for Installation Step 12 2 Align the rail sections on a flat surface exactly as shown and slide the tapered ends into the larger ones Tabs along the side will lock into place 3 Place the powerhead on packing material to protect the ...

Page 9: ... 20 Bolt 1 4 20 x 1 3 4 Hardware Shown Actual Size Nut 3 8 Lock Washer 3 8 Idler Bolt Lock Nut 1 4 20 Bolt 1 4 20 x 1 3 4 Hardware Shown Actual Size CAUTION CAUTION Cover Protection Bolt Hole Opener Sprocket U Bracket Screws Lock Nut Bolt Hook Spreader into Back Slots then Snap Tab Into Front Slot SLIDE RAIL TO STOPS ON TOP AND SIDES OF BRACKET Idler Pulley Grease Inside Pulley 3 8 Lock Washer 3 8...

Page 10: ... 4 Check to make sure the chain is not twisted then connect it to the threaded shaft with the remaining master link 5 Thread the inner nut and lock washer onto the the trolley shaft 6 Insert the trolley threaded shaft through the hole in the trolley Be sure the chain is not twisted 7 Loosely thread the outer nut onto the trolley shaft 8 Remove the locking pliers 9 Align the tabs on the sprocket co...

Page 11: ... 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 emergency release handle mounted 6 feet above the floor 5 Do not connect the opener ...

Page 12: ...r you can attach it to the ceiling refer to page 14 when clearance is minimal It may be mounted on the wall upside down if necessary to gain approximately 1 2 If you need to install the header bracket on a 2x4 on wall or ceiling use lag screws not provided to securely fasten the 2x4 to structural supports as shown here and on page 13 Installation Section Pages 12 27 Sectional door with curved trac...

Page 13: ...to floor 92 Actual height of door 88 Remainder 4 Add 8 Bracket 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 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 bottom edge of the bracket on the horizontal line as shown with the arrow pointing toward the ceiling Mark the vertical set of bracket holes Drill 3 16 pilot holes and fasten the bracket securely to a structural support with the hardware provided Ceiling Header Bracket Installation Installation Step 2 Install the Header Bracket Lag Screw 5 16 9x1 5 8 Hardware Shown Actual Size Extend the vert...

Page 15: ...acket on each side of the rail as illustrated 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 Position the front rail end within the header bracket and join with a 5 16 x1 1 2 clevis pin as sh...

Page 16: ...4 laid flat on the top section beneath the 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 2x4 Door Outer Trolley Inner Trolley ONE PIECE Door without Track With the door fully open and parallel to the floor measure the distance from the floo...

Page 17: ...6 18x7 8 screws lock washers and nuts 6 Check to make sure the rail is centered over the door or in line with the header bracket if the bracket is not centered above the door 7 Remove the 2x4 Operate the door manually If the door hits the rail raise the header bracket NOTE Do NOT connect power to opener at this time Bracket Not Provided Lag Screws 5 16 18x1 7 8 Not Provided 5 16 18x7 8 Screw 5 16 ...

Page 18: ...c housing Do not overtighten Insert top tabs and snap on cover 3 For standard installation only Run the bell wire up the wall and across the ceiling to the opener Use insulated staples to secure the wire in several places Be careful not to pierce the wire with a staple creating a short 4 Connect the bell wire to the terminal screws on the opener panel white to 2 white red to 1 5 Position the anten...

Page 19: ...s connected and properly aligned See Safety Reversing Sensor instructions beginning on page 21 Installation Step 8 Attach the Emergency Release Rope and Handle Do not use the red handle to pull the door open or closed The rope knot could become untied 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 th...

Page 20: ...rews and set the cover aside Remove the attached 3 prong cord Connect 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 To avoid installation difficulties do not run the opener at this time 20 To prevent electrocution or fire installation and...

Page 21: ...r light transmits an invisible light beam to the receiving eye with a green indicator light If an obstruction breaks the light beam while the door is closing the door will stop and reverse to full open position and the opener light will flash 10 times The units must be installed inside the garage so that the sending and receiving eyes face each other across the door between 4 6 above the floor Eit...

Page 22: ...he door Snap into place against the side of the track It should lie flush with the lip hugging the back edge of the track as shown in Figure 2 If your door track will not support the bracket securely wall installation is recommended Wall installation Place the bracket against the wall with curved arms facing the door Be sure there is enough clearance for the sensor beam to be unobstructed If addit...

Page 23: ...he receiving eye is off dim or flickering and the invisible light beam path is not obstructed alignment is required Loosen the sending eye wing nut and readjust aiming directly at the receiving eye Lock in place Loosen the receiving eye wing nut and adjust sensor vertically and or horizontally until it receives the sender s beam When the green indicator light glows steadily tighten the wing nut 23...

Page 24: ...racket Position the bracket on the face of the door within the following 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 requi...

Page 25: ...nforcement Board All ONE PIECE Door Installation Procedure Center the bracket 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 page 24 They apply to one piece doors a...

Page 26: ... up and join sections Select holes as far apart as possible to increase door arm rigidity 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 Proceed to Adjustment Step 1 page 2...

Page 27: ...he door to the open position parallel 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 lim...

Page 28: ...adjustment screw clockwise One turn equals 2 of travel NOTE To prevent the trolley from hitting the cover protection bolt keep a minimum distance of 2 4 between the trolley and the bolt 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 down travel Turn the DOWN limit adjustment screw counterclockwise One ...

Page 29: ...is about halfway through DOWN close travel The door should reverse Reversal halfway through down travel does not guarantee reversal on a one inch obstruction See page 30 If the door is hard to hold or doesn t reverse decrease the DOWN close force by turning the control counterclockwise Make 10 degree turn adjustments until the door reverses normally After each adjustment run the opener through a c...

Page 30: ... a month and adjust as needed 30 Adjustment Step 3 Test The Safety Reversing Sensor Press the remote control push button to open the door Place the opener carton in the path of the door Press the remote control push button to close the door The door will not move more than an inch and the opener lights will flash Professional service is required if the opener closes the door when the safety revers...

Page 31: ...y cause the door to fall rapidly causing injury or death to persons 6 KEEP GARAGE DOORS PROPERLY BALANCED See page 3 An improperly balanced door may not reverse when required and could result in severe injury or death Repairs to cables spring assemblies and other hardware must be made by a professional garage door person 7 Disconnect the electric power to the garage door opener before making any r...

Page 32: ...s initially plugged in when the power is interrupted when the opener is activated They will turn off automatically after 4 1 2 minutes or provide constant light when the Light feature is activated Bulb size is 75 watts maximum Lights will also turn on when someone walks through the open garage door With a Premium Control Console this feature may be turned off as follows With the opener lights off ...

Page 33: ...ress and hold a button on the remote to be programmed See Figure 1 2 Press and hold the Light button on the door control 3 Press and hold the door control push button Light bulb on the opener will flash once when it has learned the code 4 Release all buttons Test by pressing the remote push button If you do not have a Premium Control Console 1 Press and hold a button on the remote to be programmed...

Page 34: ...he receiver programming procedure with all remote controls The remote control has short range The garage door opens and closes by itself 1 Be sure that all remote control push buttons are off 2 Remove the bell wire from the Door Control terminals and operate from the remote control only If this solves the problem the Door Control is faulty replace or there is an intermittent short on the wire betw...

Page 35: ...The opener motor hums briefly then won t work 1 The garage door springs are broken See above 2 If the problem occurs on the first operation of the opener door may be locked Disable the door lock If the chain was removed and reinstalled the motor may be out of phase Remove the chain cycle the motor to the down position Observe the drive sprocket When it turns in a clockwise direction and stops in t...

Page 36: ...y 10 12B590 Header bracket w clevis pin fastener 11 178B35 Curved door arm section 12 217A238 2 conductor bell wire white white red 13 41A5047 Door bracket w clevis pin fastener 14 41A5034 Safety sensor kit receiving and sending eyes with 3 2 conductor bell wire attached 15 41A5266 1 Safety sensor brackets 2 16 12B350 Hanging brackets 17 178B34 Straight door arm section NOT SHOWN 41A5258 Assembly ...

Page 37: ... 6 175B88 Light socket 7 108D58 2 Lens 8 30B363 Capacitor 1 2 h p 9 12A373 Capacitor bracket 10 41A3150 Terminal block w screws KEY PART NO NO DESCRIPTION 11 41D3058 Universal replacement motor and bracket assembly Complete with Motor worm bracket bearing assembly RPM sensor 12 41D328 4 Cover 1 2 h p 13 41A2818 Limit switch drive retainer 14 41D3452 Limit switch assembly 15 41C4398A RPM sensor ass...

Page 38: ...escriptions 18792 18790 18756 41A5281 18835 18752 SECURITY 3 Function Remote Control Includes visor clip SECURITY Single Function Remote Control Includes visor clip SECURITY Compact 3 Function Remote Control With loop for attaching key ring Outdoor Key Switch Operates the garage door automatically from outside when remote control is not handy Plug In Light Control Enables homeowner to turn on a la...

Page 39: ...28 Problems that 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 Door control connections 18 Safety reversing sensor connections 23 Operational Noise Sprocket noise 11 Vibration noise isolator kit 34 Receiver and Remote Control Programming the receiver 33 Erasing al...

Page 40: ...L NOT BE LIABLE FOR LOSS OR DAMAGE TO PROPERTY OR ANY INCIDENTAL OR CONSEQUENTIAL LOSS OR EXPENSE FROM PROPERTY DAMAGE DUE DIRECTLY OR INDIRECTLY FROM THE USE OF THIS PRODUCT Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty does not cover light bulbs or repair parts necessary because ...

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