Devanco Canada - Get The Right Garage Door Opener‎ and Parts

Commercial Operator Hand Chain & Mounting Hardware

SPREADER001

Chain Tensioner for 1" shafts

Chain spreader for installation with 1" operator shaft & 1" door shaft.
Includes 2 shaft collars and set screws.
Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing

Installation instructions

SPREADER003

Chain Tensioner for 1-1/4" / 1-1/4"

Chain spreader for installation with 1-1/4" operator shaft and 1-1/4" door shaft
Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing

Installation instructions

SPREADER002

Chain Tensioner for 1" / 1-1/4"

Chain spreader for installation with 1" operator shaft and 1-1/4" door shaft
Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing

Installation instructions