Chamberlain 3245M 1/3 HP, 3255-2M 1/2 HP Motor Unit Assembly Parts, Complete with Spring washer

Page 34

Motor Unit Assembly Parts

1

2

4

18

6

3

17

 

 

10

5

 

16

 

 

7

 

 

8

11

15

 

 

 

14

13

9

 

12

 

 

19

(Down)

Brown Contact LIMIT SWITCH ASSY. Wire

DN

 

Grey

 

 

Drive

 

Wire

 

UP

 

 

Gear

 

 

Center Limit

(Up)

Yellow

Contact

Contact

Wire

 

 

KEY

PART

 

KEY

PART

 

NO.

NO.

DESCRIPTION

NO.

NO.

DESCRIPTION

 

 

 

 

 

 

1

31D380

Sprocket cover

12

41A5525-24

Cover

2

41C4220A

Gear and sprocket assembly

13

41A2818

Limit switch drive & retainer

 

 

Complete with: Spring washer,

14

41D3452

Limit switch assembly

 

 

thrust washer, retaining ring,

 

 

15

41A2822-1

Interrupter cup assembly

 

 

bearing plate, roll pins (2), drive

 

 

16

41C4398A

RPM sensor assembly

 

 

gear and worm gear, helical gear

 

 

w/retainer and grease

17

41AC050-1M

Receiver logic board.

3

41A2817

Drive/worm gear kit w/grease,

 

 

Complete with: Logic board,

 

 

roll pins (2)

 

 

end panel w/all labels

4

41B4245

Line cord

18

41C5498

Low voltage wire harness.

5

41A5484-1

End panel w/all labels

 

41C5497

High voltage wire harness.

6

4A1344

Light socket

19

41D180-1

End panel w/all labels

7

108D79

Lens

 

 

NOT SHOWN

8

30B532

Capacitor - 1/2 HP

 

41A2826

Motor shaft bearing kit

 

41A2825

Opener assembly hardware

 

30B533

Capacitor - 1/3 HP

 

9

12A373

Capacitor bracket

 

 

kit (includes screws not

 

 

designated by a number in

10

41A3150

Terminal block w/screws

 

 

 

 

illustration)

11

41D3058

Universal replacement motor &

 

 

 

 

 

bracket assembly

Complete with: Motor, worm, bracket, bearing assembly, RPM sensor

34

Image 34
Contents Garage Door Opener For Residential Use OnlyTable of Contents IntroductionSectional Door Preparing your garage doorTools needed One-Piece DoorONE-PIECE Door Without Track Sectional Door InstallationPlanning ONE-PIECE Door with TrackInstallation Hardware Carton InventoryAttach the Rail to the Motor Unit Assembly StepBolt previously removed from motor unit Installation Tighten the ChainInstallation Step Determine the Header Bracket LocationWall Header Bracket Installation Install the Header BracketCeiling Header Bracket Installation Attach the Rail to the Header Bracket Position the Opener Sectional Door or ONE-PIECE Door with TrackHang the Opener Install the Door Control Standard installation only Run bell wire up wallInstall the Light Attach the Emergency Release Rope and HandleElectrical Requirements Important Information about Safety Reversing Sensor Install The Protector SystemFacing the door from inside the garage Wall installation Installing the BracketsGarage door track installation preferred Floor installation FigureTroubleshooting the Safety Reversing Mounting and Wiring the Safety Reversing SensorsAligning the Safety Reversing Sensors Sectional Doors Metal, insulated or light weight factory reinforced doorsFasten the Door Bracket Wood DoorsONE-PIECE Doors Connect Door Arm to Trolley Sectional Doors onlyAssemble the door arm, Figure Adjustment procedures, FigureALL ONE-PIECE Doors Connect the door arm to the trolleyIf door does not open at least 5 feet 1.5 m Adjustment StepAdjust the UP and Down Travel Limits If the door does not close completelyTest the Down close force Adjust the ForceHOW and When to Adjust the Forces Test the UP open forceImportant Safety Check Test the Safety Reversal SystemAdjust Test The Protector SystemOperation Using Your Garage Door OpenerActivate your opener with any of the following Lock feature Light featureMULTI-FUNCTION Door Control Twice a Year Care of Your OpenerOnce a Month Once a YearHaving a PROBLEM? Symptom LED is not lit on door control Safety reversing sensors wire open broken or disconnectedDoor control or wire shorted Symptom Motor unit doesn’t operateProgramming To Add or Reprogram a Hand-held Remote ControlUsing the Learn Button Using the Door Control To Erase All Codes From Motor Unit MemoryTo change an existing, known PIN To Add, Reprogram or Change a Keyless Entry PINTo set a temporary PIN Rail Assembly Parts Repair PartsInstallation Parts Complete with Spring washer Motor Unit Assembly PartsComplete with Logic board Accessories Liftmaster Service is On Call

3255M 1/2 HP, 3245M 1/3 HP, 3255-2M 1/2 HP specifications

The Chamberlain 3255-2M, 3245M, and 3255M garage door openers stand out in the market for their reliability and superior performance. Each model offers a unique combination of power and features, catering to different needs and preferences.

The Chamberlain 3255-2M is a robust 1/2 HP opener designed for heavy residential garage doors. Its powerful motor ensures smooth and efficient operation, making it ideal for doors weighing up to 7 feet high. This model incorporates the latest in opening technology, including a durable chain drive mechanism that provides strength and longevity. One of its significant features is the incorporated MyQ technology, enabling users to control their garage door remotely through a smartphone app. This innovative feature brings convenience and peace of mind, as homeowners can check the status of the door from anywhere.

Another excellent choice is the Chamberlain 3245M, a 1/3 HP model that offers a balance of performance and affordability. It is suitable for lighter doors, providing consistent and reliable opening and closing. The 3245M model also boasts a protective cover that enhances its durability against the elements. It operates quietly thanks to its direct drive system, making it an excellent option for garages attached to living spaces. Like the 3255-2M, this model is also equipped with MyQ technology, allowing users to monitor and control their garage door from their smartphones seamlessly.

Finally, the Chamberlain 3255M, another 1/2 HP opener, offers similar features to the 3255-2M but with a focus on belt drive technology. This model is built for quieter performance, making it ideal for homes where noise is a concern. The belt drive reduces vibrations and sound, ensuring a smoother user experience. This model also comes with a battery backup system, which provides added security during power outages.

All these models emphasize safety and security, featuring auto-reverse functionality that senses obstacles and prevents the door from closing on them. The Chamberlain garage door openers are also equipped with a rolling code technology that changes the access code each time the remote is used, enhancing security against unauthorized access.

In summary, the Chamberlain 3255-2M, 3245M, and 3255M garage door openers cater to a variety of needs with their powerful motors, innovative technologies, and user-friendly features. Their reliability and performance make them an excellent investment for any homeowner.