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Chamberlain 3280M-267 1/2HP, Owner'S Manual, Page: 34 / 36

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Chamberlain 3280M-267 1/2HP Owner'S Manual Download Page 34

34

2

10

8

13

14

15

19

4

5

3

9

16

12

7

18

11

17

1

6

6

7

DN

UP

KEY PART 
NO.  NO.  

DESCRIPTION

  1 

41A4371 

 Belt cap retainer 

  2 

41A4885-5 

 Gear and sprocket assembly., 

Complete with:

 Spring washer; 

Thrust washer; Retaining ring; 
Bearing plate; Roll pins (2); 
Drive gear and worm gear; 
Helical gear w/retainer and 
grease

  3 

41A2817 

 Drive/worm gear kit w/grease,
Roll pins (2)

  4 

41B4245 

Line cord

  5 

41A5484-1 

End panel w/all labels

  6 

4A1344 

Light socket

 7 

108D79 

Lens

  8 

30B532 

Capacitor – 1/2 hp.

  9 

12A373 

Capacitor bracket

 10 

41A3150 

Terminal block w/screws

 11 

41C4842 

Universal replacement motor &  

   

 

bracket assembly, 

  

 

Complete with:  

 Motor, worm,  

   

 

bracket, bearing assembly, 

   

 

RPM sensor.

KEY PART 
NO. NO. 

DESCRIPTION

 12 

41A5525-3 

Cover 

 13 

41A2818 

Limit switch drive & retainer 

 14 

41D3452 

Limit switch assembly

 15 

41A2822-1 

Interrupter cup assembly

 16 

41C4398A 

RPM sensor assembly

 17 

41AB050-2M  Receiver logic board    

 

 

 

assembly Complete with 

 

 

 

Logic board

 18 

41C5497 

High voltage wire harness

 

 

41C5548 

Low voltage wire harness

 19 

41D180-1 

End panel

    

NOT SHOWN

 

 

41A2826-1 

Shaft bearing kit

 

 

41A2825 

 Opener assembly hardware kit 
(includes screws not 
designated by a number in 
illustration)

Motor Unit Assembly Parts

LIMIT SWITCH ASSY.

(Down)
Contact

Brown

Wire

Drive

Gear

Center Limit

Contact

(Up)

Contact

Yellow

Wire

Grey Wire

Summary of Contents for 3280M-267 1/2HP

Page 1: ...Only 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 Protector System is connected and properly aligned Periodic checks of the opener are required to ensure safe operation The model number label is located on the front panel of your opener ...

Page 2: ... 28 Having a problem 29 Diagnostic chart 30 Programming 31 32 To add or reprogram a hand held remote control 31 To erase all codes 31 3 Button remotes 31 To add reprogram or change a Keyless Entry PIN 32 Repair Parts 33 34 Rail assembly parts 33 Installation parts 33 Motor unit assembly parts 34 Accessories 35 Repair Parts and Service Back page Warranty Back page TABLE OF CONTENTS When you see the...

Page 3: ...LWAYS call a trained door systems technician if garage door binds sticks or is out of balance An unbalanced garage door may NOT reverse when required NEVER try to loosen move or adjust garage door door springs cables pulleys brackets or their hardware ALL of which are under EXTREME tension Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door o...

Page 4: ...h glass panels etc See page 19 for details Support bracket fastening hardware is required See page 11 Support bracket fastening hardware is required See page 11 FINISHED CEILING FINISHED CEILING Vertical Centerline of Door Motor Unit Motor Unit Access Door Access Door Header Wall Header Wall Access Door Wall mounted Door Control Wall mounted Door Control OR Extension Spring Torsion Spring Safety R...

Page 5: ...6 32x1 2 Self Threading Screw 1 4 14x5 8 2 Insulated Staples 30 Ring Fastener 3 Drywall Anchors 2 Carriage Bolt 1 4 20x1 2 2 Wing Nut 1 4 20 2 Rope Handle Multi Function Door Control Panel SECURITY 3 Button Remote Control Models 3280M 1 3280 267 2 Remote Control Transmitter Visor Clip Belt Cap Retainer SECURITY Keyless Entry Model 3280M 267 ONLY Motor Unit with 2 Light Lenses Styrofoam Belt Door B...

Page 6: ...top of motor unit ASSEMBLY STEP 2 Set the Belt Tension By hand thread the spring trolley nut on the threaded shaft until it is finger tight against the trolley Figure 1 Do not use any tools Insert a screwdriver tip into one of the nut ring slots and brace it firmly against the trolley Figure 2 Place a 7 16 open end wrench on the square end Rotate about 1 4 turn until the spring releases and snaps th...

Page 7: ...isms 9 Install wall mounted garage door control within sight of the garage door out of reach of children at minimum height of 5 feet 1 5 m away from ALL moving parts of the door 10 Place entrapment warning label on wall next to garage door control 11 Place manual release safety reverse test label in plain view on inside of garage door 12 Upon completion of installation test safety reversal system ...

Page 8: ...or the top edge of the door NOTE If the total number of inches exceeds the height available in your garage use the maximum height possible or refer to page 9 for ceiling installation To prevent possible SERIOUS INJURY or DEATH Header bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling otherwise garage door might NOT reverse when required DO NOT install header bracket o...

Page 9: ...he ceiling as shown Center the bracket on the vertical mark no more than 6 15 cm 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 the side holes Drill 3 16 pilot holes and fasten bracket securely to a structural support with the hardware provided Garage Door Header Wall Garage Door Finished Ceiling The ...

Page 10: ... top section of the door beneath the rail The top of the door should be level with the top of the motor unit Do not position the opener more than 4 10 cm above this point INSTALLATION STEP 4 Position the Opener Follow instructions which apply to your door type as illustrated SECTIONAL DOOR OR ONE PIECE DOOR WITH TRACK A 2x4 laid flat is convenient for setting an ideal door to rail distance Remove f...

Page 11: ...n 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 HARDWARE SHOWN ACTUAL SIZE To avoid possible SERIOUS INJURY from a falling garage door opener fasten it SECURELY to structural supports of the garage Concrete anchors MUST be used ...

Page 12: ...ttom screw allowing 1 8 3 mm to protrude above wall surface Position bottom of door control on screw head and slide down to secure Adjust screw for snug fit Install top screw with care to avoid cracking plastic housing DO NOT overtighten Insert bottom tabs and snap on cover NOTE The push bar may stick if the door control is not mounted on a smooth surface If a click is not heard when pressing the p...

Page 13: ...e in the release arm of the outer trolley Adjust rope length so the handle is 6 feet 1 83 m above the floor Ensure that the rope and handle clear the tops of all vehicles to avoid entanglement Secure with an overhand knot NOTE If it is necessary to cut the rope heat seal the cut end with a match or lighter to prevent unraveling To prevent possible SERIOUS INJURY or DEATH from a falling garage door ...

Page 14: ...d 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 To prevent possible SERIOUS INJURY or DEATH from electrocution or fire Be sure power is NOT connected to the opene...

Page 15: ...eiving eye lens The mounting brackets are designed to clip onto the track of sectional garage doors without additional hardware If it is necessary to mount the units on the wall the brackets must be securely fastened to a solid surface such as the wall framing Extension brackets see accessories are available if needed If installing in masonry construction add a piece of wood at each location to av...

Page 16: ...e floor Attach brackets to wall with lag screws Not provided If using extension brackets or wood blocks adjust right and left assemblies to the same distance out from the mounting surface Make sure all door hardware obstructions are cleared Floor installation Figure 4 Use wood blocks or extension brackets see accessories to elevate sensor brackets so the lenses will be no higher than 6 15 cm above ...

Page 17: ...ollow the instructions below Cut the end of the safety reversing sensor wire making sure there is enough wire to reach the pre installed wires from the wall Figure 7 Separate the safety reversing sensor wires and strip 7 16 inch 11 mm of insulation from each end Choose two of the pre installed wires and strip 7 16 inch 11 mm of insulation from each end Make sure that you choose the same color pre ...

Page 18: ...correct wiring between sensors and opener A broken wire 2 If the sending eye indicator light glows steadily but the receiving eye indicator light doesn t Check alignment Check for an open wire to the receiving eye 3 If the receiving eye indicator light is dim realign either sensor NOTE When the invisible beam path is obstructed or misaligned while the door is closing the door will reverse If the d...

Page 19: ...depending on your door s construction Metal or light weight doors using a vertical angle iron brace between the door panel support and the door bracket Drill 3 16 fastening holes Secure the door bracket using the two 1 4 14x5 8 self threading screws Figure 2A Alternately use two 5 16 bolts lock washers and nuts not provided Figure 2B Metal insulated or light weight factory reinforced doors Drill 3...

Page 20: ...he door if required for your installation Refer to the dotted line optional placement drawing Self Threading Screw 1 4 14x5 8 HARDWARE SHOWN ACTUAL SIZE METAL DOOR Finished Ceiling WOOD DOOR Self Threading Screw 1 4 14x5 8 Door Bracket Door Bracket Top of Door Inside Garage Header Wall Door Bracket 2x4 Support Optional Placement of Door Bracket Header Bracket Vertical Centerline of Garage Door HOR...

Page 21: ...r arm rigidity Figure 3 Hole alignment alternative If holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 15 cm 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 bolts lock washers and nuts Pull the emergency release handle toward the opener at a 45 angle so that the ...

Page 22: ...t decrease DOWN travel limit Turn the DOWN limit adjustment screw clockwise 4 complete turns Press the door control push button The trolley will travel to the fully closed position Manually close the door and lift the door arm to the trolley The arm should touch the trolley just ahead of the door arm connector hole Refer to the fully closed trolley door arm positions in the illustration If the arm...

Page 23: ...orce as explained in Adjustment Step 2 If the door does not close completely Increase down travel Turn the down limit adjustment screw counterclockwise One turn equals 2 5 cm of travel If door still won t close completely and the trolley bumps into the pulley bracket page 4 try lengthening the door arm page 21 and decreasing the down limit If the opener reverses in fully closed position Decrease d...

Page 24: ... by turning the control clockwise Make small adjustments until the door completes a close cycle After each adjustment run the opener through a complete travel cycle DO NOT increase the force beyond the minimum amount required to close the door 2 Test the UP open force Grasp the door bottom when the door is about halfway through UP open travel The door should stop If the door is hard to hold or doe...

Page 25: ...nt of the opener ADJUSTMENT STEP 4 Test The Protector System 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 2 5 cm and the opener lights will flash The garage door opener will not close from a remote if the indicator light in either sensor is off ale...

Page 26: ...ature Lights will also turn on when someone walks through the open garage door With a Multi Function Door Control this feature may be turned off as follows With the opener lights off press and hold the light button for 10 seconds until the light goes on then off again To restore this feature start with the opener lights on then press and hold the light button for 10 seconds until the light goes of...

Page 27: ...ck feature is on To turn off press and hold the Lock button again for 2 seconds The push bar light will stop flashing The Lock feature will also turn off whenever the learn button on the motor unit panel is activated Additional features when used with the 3 Button hand held remote A To control the opener lights In addition to operating the door you may program the remote to operate the lights 1 Wit...

Page 28: ... it is unbalanced or binding call a trained door systems technician Check to be sure door opens and closes fully Adjust limits and or force if necessary See pages 23 and 24 Repeat the safety reverse test Make any necessary adjustments See Adjustment Step 3 Every Year Oil door rollers bearings and hinges The opener does not require additional lubrication Do not grease the door tracks Every Three to...

Page 29: ... test after adjustments to force or travel limits The need for occasional adjustment for the force and limit settings is normal Weather conditions in particular can affect door travel Refert o Adjustment Step 1 Adjust the UP and DOWN Travel Limits Decrease down travel by turning down limit adjustment screw clockwise 5 My lights will not turn off when door is open The garage door opener is equipped...

Page 30: ...mentarily short across red and white terminals with jumper wire If motor unit activates replace door control wires Symptom Sending indicator light glows steadily receiving indicator light is dim or flashing Realign receiving eye sensor clean lens and secure brackets Verify door track is firmly secured to wall and does not move Symptom Motor has over heated the motor unit does not operate or trolley ...

Page 31: ...ll be heard 1 Press and release the learn button on the motor unit The learn indicator light will glow steadily for 30 seconds 2 Within 30 seconds press and hold the button on the hand held remote that you wish to operate your garage door 3 Release the button when the motor unit lights blink It has learned the code If light bulbs are not installed two clicks will be heard To Add or Reprogram a Han...

Page 32: ...e door even after it has expired To set a temporary PIN 1 Press the four buttons for your personal entry PIN not the last temporary PIN then press and hold the button The opener light will blink three times Release the button 2 Press the temporary 4 digit PIN you have chosen then press Enter The opener light will blink four times 3 To set the number of hours this temporary PIN will work press the ...

Page 33: ...w clevis pin and fastener 9 41A5034 Safety reversing sensor kit receiving and sending eyes with 3 9 m 2 conductor bell wire 10 41A5266 1 Safety reversing sensor brackets 2 11 41B4494 1 2 Conductor bell wire white white red 12 178B35 Curved door arm section NOT SHOWN 41A2770 6 Installation hardware bag includes hardware listed on page 5 114A4250 Owner s manual 114A4250SP Spanish manual KEY PART NO ...

Page 34: ... 41C4842 Universal replacement motor bracket assembly Complete with Motor worm bracket bearing assembly RPM sensor KEY PART NO NO DESCRIPTION 12 41A5525 3 Cover 13 41A2818 Limit switch drive retainer 14 41D3452 Limit switch assembly 15 41A2822 1 Interrupter cup assembly 16 41C4398A RPM sensor assembly 17 41AB050 2M Receiver logic board assembly Complete with Logic board 18 41C5497 High voltage wir...

Page 35: ...ners to precisely park vehicles in the garage Wireless Door Control Push bar light feature and auxiliary button Includes battery 378LM 373W 373LM Designer Buried Walnut 3 Button Remote Control Security Includes visor clip 3 Button Security Remote Control Includes visor clip 990LM Surge Protector The Garage Door Opener Surge Protector is designed to protect LiftMaster garage door openers against da...

Page 36: ...ITED IN DURATION TO THE ONE YEAR LIMITED WARRANTY PERIOD SET FORTH ABOVE EXCEPT THE IMPLIED WARRANTIES WITH RESPECT TO THE MOTOR AND BELT WHICH ARE LIMITED IN DURATION TO THE LIFETIME LIMITED WARRANTY PERIOD FOR THE MOTOR AND BELT AND NO IMPLIED WARRANTIES WILL EXIST OR APPLY AFTER SUCH PERIOD Some States do not allow limitations on how long an implied warranty lasts so the above limitation may no...

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