Manuals Brands LiftMaster Garage Door Openers LiftMaster Garage Door Openers Manuals ProdManuals has more than 22 LiftMaster Garage Door Openers manual(s) covering 22 model(s). 1 3 8 Models Document Type 1 1355 1345 3 3595 3585 3595 Elite Series 3265-267 3255 3240 3280 1/2HP Belt Drive Garage Door Opener 3950 3265 1/2 HP 3110 1/3 HP 8 8360 8587 8360 Chain Drive Garage Door Opener 8360 Premiuim Series 8500 8550 Elite Series 8550 8557 8557 Elite Series 8355