All tractor tires should be checked for proper inflation pressure, the factory settings are generally 10 psi. for rear tires, and 14 psi. for the front.
NOTE: Although the tires may be of the same pressure setting and style, some variances in tire composition and wear may produce tires with differing heights when inflated to the same air pressure. Measuring the actual inflated tire height may be necessary to detect these subtle differences in inflated tire heights.
If this doesn't solve the problem, a deck leveling adjustment may need to be performed. The deck leveling adjustment is explained in the adjustments section of the operators manual. Please refer to the operators manual and follow these instructions as they relate to the particular unit being serviced.
If the above actions do not correct the problem, it may also be one of two other situations. The blades and/or spindles could be worn or out of balance or there may even be damaged deck hangers that would require replacement.
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