With 11 lb-ft. of pressure on the top center of the tread, the tread should deflect 7/16 to 5/8 inches. Tension is controlled by tensioner bolts on the rear axle. To change the tension, loosen the outer lock nut, then turn the inner tension nut. Once the tension is correct, torque...
The only modification Jack found to be required is to discard the OEM washers, add a standard washer on the inside of the top and bottom eyelet blades, and only install the retainer clip on the outside. This is required because the eyelet blade is much thicker than the OEM unit ...