Garage Door Chain Hoist - Shaft MountHere we have the Napoleon Lynx JR ST Sectional Door Chain Hoist Manual Door Operator for 1" torsion bar Jack shaft mounting. 4: 1 reduction Includes sprocket, 22" of #41 roller chain, 26' of hand chain, 1 chain keeper, 2 shaft collars, 1 wall bracket and a 1 4" key External chain, sprocket drive Install Unit onto Door Shaft. Sprocket mounted to Rolling Door on JR RD or sprocket on JR ST need to align with the small 9 tooth sprocket. Secure from

allowing for a hassle-free DIY setup

Wire diameter: 1/8 in

Here we have the Napoleon Lynx JR-ST Sectional Door Chain Hoist Manual Door Operator for 1" torsion bar Jack shaft mounting

and home lights using your smartphone or computer with the Internet Gateway (sold separately)

262 wire size

Garage Door High Lift Cable Drum

also on the outer edge of the bottom panel and the second panel

these aluminum alloy drums come as a pair

Replaces part 41A2827

Fits these Chamberlain Models: 1100

250 Wire Gauge

Measure 20 coils to determine spring wire gauge (refer to the 2nd image) and measure the coil-to-coil length for accurate sizing