Supply PowerMaster model "CH" Industrial Duty Hoist
operator for Carwash type applications on Sectional Doors
and Rolling Service Doors and Grilles.
Primary reduction shall be by heavy duty V-Belt Drive.
Secondary reduction shall be a chain and sprocket
arrangement. Reduction stages shall be arranged so that
mechanism is self locking when torque is applied at output
shaft. All reduction shafts shall be a minimum of 1" in
diameter, supported by bronze oilite bearings. Operator
shall provide an adjustable torque limiting clutch.