Chain Hoist for Rolling Door

Looking for the right Chain Hoist to fit your door can be a hassle. Fortunately, North Shore Commercial Door is here to help. The Napoleon Lynx JR-RD Chain Hoist is a galvanized steel, manual door operator for Dead Axle Rolling Doors that comes standard with a 1-5/16" Bore. The JR-RD Chain Hoist is compatible with dead shaft and wall mounted units and comes with all of the necessary materials for quick and easy installation. Carton contents include the Chain Hoist body, 26 feet of hand chain, 41B40 mounted sprocket and 23 inches of 41 series chain. North Shore Commercial Door has all of your needs covered with additional hand chain sold by the foot. PRODUCT HIGHLIGHTS:

• Item Number: 9-8-11N
• Galvanized steel body
• Mounts to Jackshaft
• 4:1 Reduction

CARTON CONTENTS:

• Chain Hoist Body
• 26 feet of hand chain
• 41B40 Mounted Sprocket
• 23 Inches of 41 Series Chain

CHAIN HOIST INSTALLATION: Shaft Mounted Units (1:1, JR-ST, JR-RD, JRG):

• 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 sliding along the shaft with set screws and shaft collars as applicable (use shaft keys where needed.)
• Install Roller Chain on JR-ST or JR-RD (the roller chain has a connector link to split chain and reconnect.
• Install bracket to wall on JR-ST- or JRG if desired to keep unit from swinging.

All Units:

• Thread the hand chain around the pocket wheel and let it hang (extra chain may need to be purchased in doors in excess of 14ft or vertical lift or high lift doors).
• Adjust the length of the chain so that the loop will hang around 1ft off the floor.
• With the chain hanging freely, a link on the hand chain will need to be ben open and then closed again to complete the look. This can be accomplished with two sets of pliers.
• Install the chain keeper on the wall at a reasonable height and location so that the chain will be clear of the opening when engaged in the keeper.
• Sprocket 41B40 spacing from hole to hole is 3.897 Inches (3-57/64 inches) and on a 4-1/2 Inch Bolt Circle. Each bushing is on a 120º arc

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