Item arrived in four 4 days from east coast to the foothills of the west coast.
Garage door jackshaft sprocket.
Five days sooner than estimated.
The model 41a7280 liftmaster sprocket kit is designed only for use with the liftmaster 3950 jackshaft rolling door operator for light duty commercial operations for doors without live shafts.
Other garage door parts the sprockets listed below are for use with commercial operators.
Choose from carriage house traditional and commercial garage doors in steel wood and wood composite materials.
They are typically used with jackshaft operators to adjust the gear ratio between the operator and the shaft.
When using this operator doors should be balanced with the a.
The drive sprocket mounts to the 3950 door operator.
Can be used on tube shafts.
Drill through the sprocket and shaft and install a bolt hardened bolt if needed through the shaft.
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When used on tube shafts it is advisable to fill the tube shaft with a steel or wood dowel in the area of the sprocket and through bolt the sprocket.
Continuous duty jackshaft operator j501l5 by liftmaster.
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