【JS-CH1】Heavy-Duty Single Motor(Chain Wheel)

The G form drum wheel enhances supporting strength, durable and difficult to deformation.

Each type drive unit include 3 gear head to achieve balanced motor drive force.

The cam gears adjustment respectively design. To adjust go up or down door travel respectively, it is more convenience and time-saving design.

Wide door travel range adjustment : Pull the gear to rotate it.

Narrow door travel range adjustment : Rotate the white knob only.

To lock after well adjustment : Click yellow switching to avoid displacement from vibration.