Page 9 Chamberlain s instructions for installation, operation and care. The MED Lift System, the B510 has been designed in a way that it delivers powerful lifting force which is identical to ½ HP for its effortless lifting and amazing performance. LIMITED WARRANTY ON MOTOR Models 550 & 550-2M: The motor is warranteed to be free from any defect in materials and/or workmanship or a period of 60 full months (5 years) from the date of purchase. The Chamberlain Group, Inc. manufactures and markets some of the world's most reliable, efficient and cost-effective Garage Door Opener products for do-it-yourself installation. Read our story. ALL MODELS IN ARE BOLD ARE DELUXE (2 LIGHTS), Chamberlain garage door opener owner's manual (8 pages), Chamberlain owner's manual garage door opener 1200 (40 pages), Chamberlain owner's manual garage door opener 1265, 1265-267 1/2 hp (36 pages), Chamberlain garage door opener owner's manual (72 pages), Chamberlain garage door opener owner's manual 1300 (40 pages), Chamberlain garage door operator manual motorlift 2000uk (8 pages), Sectional and tilt garage door opener (24 pages), Chamberlain garage door opener user manual (40 pages), Manual will be automatically added to "My Manuals", Garage Door Opener Chamberlain MotorLift 5500 Instructions Manual, Garage Door Opener Chamberlain LiftMaster Professional 5580 Instructions Manual, Garage Door Opener Chamberlain 5580TX Instructions Manual, Garage Door Opener Chamberlain 5100 Series Owner's Manual, Garage Door Opener Chamberlain 5100-2K Owner's Manual, Garage Door Opener Chamberlain 5410E 2013 Owner's Manual, Garage Door Opener Chamberlain Series 5000 1/2HP Owner's Manual, Garage Door Opener Chamberlain 1000 Owner's Manual, Garage Door Opener Chamberlain 1200 Owner's Manual, Garage Door Opener Chamberlain 1265 Owner's Manual, Garage Door Opener Chamberlain LiftMaster Security+ 1245LMC-R-1/3HP Owner's Manual, Garage Door Opener Chamberlain 1300 Owner's Manual, Garage Door Opener Chamberlain MotorLift 2000UK Instructions Manual, Garage Door Opener Chamberlain merlin MT5580P Installation And Operating Instructions Manual, Garage Door Opener Chamberlain WHISPER DRIVE 248739 Owner's Manual. We design and engineer residential garage door openers, commercial door operators and gate entry systems. DRYWALL GANG BOX Older Chamberlain door controls and third party products are not compatible. Chamberlain Group (CGI), the corporate parent company to LiftMaster, Chamberlain, Merlin and Grifco, is a global leader in access solutions and products. The Chamberlain Garage Door Opener B550 has been engineered that it had been encompassed the highest lifting strength, which better then ½ power class. The full product line includes residential garage door openers and related garage and home accessories. 5 Hardware ASSEMBLY INSTALLATION DOOR CONTROL Insulated Staples (Not Shown) Clevis Pin 5/16"x1-1/2" Ring Fastener (3) Hex Bolt 5/16"-18x7/8" (4) Self-Threading Screw