3800 Manual
Page 7
... being entangled in garage door or opener mechanisms. 8. Drill through steel plate if needed. 4. Securely tighten collar screws that attach to the torsion bar to cut the torsion bar if it is located on inside of the door. 9. of the torsion bar. Securely tighten both set screws firmly, without damaging the jackshaft. 5. Fasten bracket securely...
... being entangled in garage door or opener mechanisms. 8. Drill through steel plate if needed. 4. Securely tighten collar screws that attach to the torsion bar to cut the torsion bar if it is located on inside of the door. 9. of the torsion bar. Securely tighten both set screws firmly, without damaging the jackshaft. 5. Fasten bracket securely...
3800 Manual
Page 24
... up to the jackshaft. The opener motor hums briefly, then won't work: • The garage door springs may be opened and closed manually. Repeat the safety reverse test after adjustments. 9. Operate the door manually. Tighten collar (see Assembly Steps 1 and 2) and reprogram limits (see below. Power lock makes noise when operating. • Call Liftmaster® dealer for...
... up to the jackshaft. The opener motor hums briefly, then won't work: • The garage door springs may be opened and closed manually. Repeat the safety reverse test after adjustments. 9. Operate the door manually. Tighten collar (see Assembly Steps 1 and 2) and reprogram limits (see below. Power lock makes noise when operating. • Call Liftmaster® dealer for...