Linear 217436 is a Drive Sprocket from Linear (Nortek Control), HCT drive sprocket for Linear LD033 and LD050 chain drive garage door operators. This OEM replacement part is designed for reliable operation and direct fit in compatible Linear garage door operator systems. It provides dependable performance in residential and commercial installations. This part is an exact replacement for maintaining proper system function.
A: The 217436 HCT Drive Sprocket is compatible with the Linear LD033 and LD050 operators and is listed in the Linear HCT operator family parts documentation.
A: The drive sprocket meshes with the chain to transfer motor torque to the chain drive system, enabling the trolley to move and open or close the door.
A: Align the sprocket flat with the drive shaft flat, then slide the sprocket onto the shaft during rail assembly per the Linear HCT installation or service manual.
A: The 217436 is designated as an HCT drive sprocket; the 220499 is an HBT drive sprocket. These are separate parts for different operator families and are not interchangeable.
A: No material specification has been published for this part in available documentation; contact Linear or an authorized distributor for confirmation.
