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• Getting Started  TC39 Series Changer Operation Instructions 
-  Position 3 (held position) lifts the upper bead breaker roller or lowers the lower 
bead breaker roller; 
-  Position 4 (lock position) brings automatically the arms to their high / low stroke 
limit. 
When the corresponding push button is pressed (pos. B) the cam for the introduction 
of the bead breaker roller between tire and rim is operated. 
Tool command unit consists of two push buttons. The upper push button controls the 
rising, while the lower push button controls tool descent.