Adding photo eyes can protect against entrapment. They can sense when someone or something is under the door. Check over your door at least once a both using you owner's manual. When checking over your door, do a visual inspection of cables, springs, rollers, etc. WARNING - Springs are under high tension. Only qualified persons should adjust them. Never loosen screws attached to the bottom bracket. Keep the moving parts on y0our door lubricated. "Door Balance Periodically test the balance of your door. Start with the door closed. If you have a garage door opener, use the release mechanism so you can operate the door by hand when doing this test. You should be able to lift the door smoothly and with little resistance. It should stay open around three or four feet above the floor. If it does not, it is out of adjustment. Have it adjusted by a qualified service person" (DASMA). Proper installation and maintenance will keep your door safe. Test you door and make sure it has a reversing feature every month. Make sure children know to keep hands and fingers away from joints. Monthly maintenance can keep you and you family safe from possible injury. Wall controls need to be out of reach of children. Children should know that these are not toys and that they can get hurt. Keep the door in sight so you don't accidently shut someone or something in.
DASMA. "Safety Maintenance Guide ." DASMA, www.dasma.com/PDF/Publications/Brochures/AutomaticGDOSafety0907.pdf
