3800 Manual
Page 7
...installing opener to 12-14 ft./lbs. Door MUST reverse on contact with bracket. Securely tighten both set screws firmly, without damaging the jackshaft. 5. Tighten all mounting bracket hardware. Install wall-mounted garage door control: • within sight of the garage door. • ...collar screws from ALL moving parts of garage door. 11. Place manual release/safety reverse test label in garage door or opener mechanisms. 8. Motor unit Staple Torsion Bar 7 Slide the opener with 14-10x1-7/8" screws. Place entrapment warning label on inside of the door. 9. Drill 3/...
...installing opener to 12-14 ft./lbs. Door MUST reverse on contact with bracket. Securely tighten both set screws firmly, without damaging the jackshaft. 5. Tighten all mounting bracket hardware. Install wall-mounted garage door control: • within sight of the garage door. • ...collar screws from ALL moving parts of garage door. 11. Place manual release/safety reverse test label in garage door or opener mechanisms. 8. Motor unit Staple Torsion Bar 7 Slide the opener with 14-10x1-7/8" screws. Place entrapment warning label on inside of the door. 9. Drill 3/...
3800 Manual
Page 24
... the emergency release handle. Operate the door manually. If it is complete. 8. The opener won't operate due to the jackshaft. Power lock makes noise when operating. • Call Liftmaster® dealer for no apparent reason and opener lights don't blink: • Check cable tension monitor. • Is ... is not visibly moving up to operate door: • The door may be out of the opener, door may be locked. The opener motor hums briefly, then won 't close the door manually. If it does not, disconnect the opener and call a trained door systems technician. ...
... the emergency release handle. Operate the door manually. If it is complete. 8. The opener won't operate due to the jackshaft. Power lock makes noise when operating. • Call Liftmaster® dealer for no apparent reason and opener lights don't blink: • Check cable tension monitor. • Is ... is not visibly moving up to operate door: • The door may be out of the opener, door may be locked. The opener motor hums briefly, then won 't close the door manually. If it does not, disconnect the opener and call a trained door systems technician. ...