Chamberlain 87504-267 Manual page 25

Install the Protector System
1 Install the Safety Reversing Sensors
HARDWARE
Hex Screw 10-24 (2)
The safety reversing sensors are designed to clip onto the door track with the provided sensor brackets. If the
door track will not support the sensor bracket a wall installation is recommended. The sensor beam should be
NO HIGHER than 6" (15 cm) above the floor.
DOOR TRACK INSTALLATION
1. Slide the curved arms of the sensor bracket around the edge of the door track. Snap into place so that the
sensor bracket is flush against the track.
2. Slide the hex screw through the sensor.
3. Attach the sensor to the bracket with the wing nut. Make sure the lens is not obstructed by the bracket.
Repeat the steps with the other sensor on the opposite door track. Both lenses must face each other.
1
Garage door
2
®
Wing Nut (2)
Door track
3
6" (15 cm) max.
WALL INSTALLATION
Make sure the brackets on each side are clear of the door track and have the same amount of clearance so the
sensors will align correctly. If additional clearance is needed, use extension brackets 041A5281-1 (not provided)
or wood blocks.
1. Attach the sensor bracket against the wall with two lag screws (not provided).
2. Slide the hex screw through the sensor.
3. Attach the sensor to the bracket with the wing nut. Make sure the lens is not obstructed by the bracket.
Repeat the steps with the other sensor on the opposite side of the garage door. Both lenses must face each
other.
1
Door track
2
Wing nut
25
Inside
OPTIONAL
garage wall
OR
Not provided
3
Wing Nut
6" (15 cm)
max.