Eaton Corporation

Gregory W Batterton

Michael Lee Bassett

Andrzej P Szadkowski

A method of balancing a clutch disc using one or more balancing weights inserted into balancing voids formed in the clutch disc carrier plate which are trapped between the friction facings. A first method involves determining the imbalance of the complete clutch disc assembly and then partially removing a friction facing so that a balancing weight can be inserted into a balancing void formed in the carrier plate. In a second method, the imbalance of the carrier plate and friction facings are separately measured prior to assembly. The most favorable rotational orientation is determined and then the number, size and location of one or more balance weights are determined and the balance weights are inserted into the balance voids. The friction facings are then assembled to the carrier plate thereby trapping the balance weights in position. To aid in the retention of the balance weights, a first friction facing can be attached to the carrier plate, the balance weights inserted and then the second friction facing can be attached to the carrier plate trapping the balance weights in position where the balancing void formed in the clutch disc carrier plate has a decreased cross-sectional area at an increased radial distance from the center of rotation of the clutch disc.

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Auburn, IN, United States of America

Gregory W Batterton