The photo eye is normally made with glass and you should use the same care with it that you would a camera.
How to clean a garage door openee.
Before you start make sure you have the following.
On the sides of the door and attached to the hinges are garage door rollers.
Clean it out with a rag and use a vacuum clear to handle any hard to reach debris.
Scratches or other markings may cause it to function improperly.
To clean it use a clean cloth and mild cleaner.
Next check the alignment of your photo eyes one on both sides of your garage door.
Finally you need to keep up with the exterior of your door.
Start with the door closed.
How to clean and lubricate garage door rollers.
These are circular and contain ball bearings.
The door should contact the item and reverse directions within 2 seconds.
Gradually raise the garage door spraying the hinges as they become exposed by the movement.
If it s a wood door check or warping or wood rot.
Disconnect the automatic opener release mechanism so that the door can be operated by hand.
Each hinge should be well coated in the lubricant.
If there s a blockage in the track it ll stop the door opening and maybe even damage it.
Non abrasive sponges and clean cloths the last thing you want to do is damage your door s finish by using an abrasive.
Cleaning solution a mild detergent such as dishwasher soap or car wash soap is your best bet making this project.