6LIMIT SWITCH / FORCE ADJUSTMENT

WARNING

DOOR OPENS RAPIDLY.

Keep the path clear.

Position the ladder to the side of the power head so it is clear of all moving parts of the operator and door.

Always set the door operator to the minimum force required to operate the door.

NOTE: During operator cycling for force adjustment, the motor protector may shut off power to the operator. If this occurs, wait about 20 minutes to allow the motor protector to reset.

1.Adjusting limit switches.

•Locate force control knobs on power head (Fig. 7-1).

–Gently turn both control knobs counter-clockwise until they stop.

•Verify emergency release lever in disengaged position.

•Verify “OPEN” limit switch at point where chain attaches to carriage slide (Fig. 7-2).

•Manually close door.

•Move the “CLOSE” limit switch:

–Loosen set screw.

–Slide limit switch along boom to align front edge of switch with back edge of carriage (Fig. 7-3).

–Gently tighten set screw.

•Press wall control button.

–Carriage slide will move toward power head and stop at the “OPEN” limit switch.

•Manually open door.

•Move the “OPEN” limit switch:

–Loosen set screw.

–Slide limit switch along boom to align front edge of switch with back edge of carriage (Fig. 7-4).

–Gently tighten set screw.

–Manually close door.

•Place emergency release lever in engaged position.

•Press wall control button.

–Carriage slide will move toward door, engage with carriage and stop at “CLOSE” limit switch.

2.Adjusting “OPEN” force.

•Press wall control button.

–Door should open and stop at “OPEN” limit.

•Door does not fully open.

–Press wall control button.

–Door should close and stop at “CLOSE” limit.

–Turn “OPEN” force control knob slightly in clockwise direction.

–Press wall control button.

- Continue step 2 until door opens completely.

3.Adjusting “CLOSE” force.

•Door is not fully closing.

–Cycle door, turning “CLOSE” force knob clockwise slightly each time until door reaches fully closed.

FOR HELP-1.800.929.3667 OR OVERHEADDOOR.COM

FIG. 7-1 Force adjustment screws.

FIG. 7-2 Place “Open” limit switch.

FIG. 7-3 Align “CLOSE” limit switch.

FIG. 7-4 Align “OPEN” limit switch.

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Chamberlain 3453135556 manual Limit Switch / Force Adjustment, Adjusting limit switches, Adjusting Open force
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3453135556 specifications

The Chamberlain 3453135556 is a reliable and innovative garage door opener designed to enhance convenience and security for homeowners. This model stands out for its robust performance and user-friendly features, catering to a wide range of customer needs.

One of the most notable features of the Chamberlain 3453135556 is its powerful motor, capable of providing up to 1/2 horsepower. This motor enables smooth and quiet operation, making it suitable for residential use where noise reduction is a priority. The opener can effortlessly lift standard and heavier garage doors, ensuring reliable functionality even for larger installations.

Equipped with advanced technologies, the Chamberlain 3453135556 incorporates MyQ smart technology, allowing users to control and monitor their garage door through a smartphone app. This feature offers real-time notifications, enabling homeowners to check if they left the door open or close it remotely. With MyQ, users can also integrate other smart home devices, enhancing the overall home automation experience.

In terms of security, the Chamberlain 3453135556 boasts a unique Security+2.0 technology that utilizes rolling code encryption. This innovation changes the access code each time the remote control is used, significantly reducing the risk of unauthorized access. Additionally, the model includes an automatic garage door lock feature, ensuring that the door remains securely closed when not in use.

Installation is straightforward, as the Chamberlain 3453135556 comes with a clear set of instructions and necessary hardware. Its compact design allows it to fit seamlessly into most garage configurations, and it is compatible with various types of garage door systems.

Moreover, the opener features a reliable safety mechanism that includes infrared sensors, which reverse the door's motion if any obstruction is detected, preventing accidents and injuries. This attention to safety makes it an ideal choice for families with children and pets.

In summary, the Chamberlain 3453135556 stands out as a leader in garage door openers, combining power, security, and smart technology. With its user-friendly features and reliable performance, it offers an excellent solution for modern homeowners seeking to enhance their garage experience. Whether for convenience, safety, or smart home integration, this model delivers on all fronts, making it a valuable addition to any home.
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