Call tennismachines. Speak with JC. In the past, when I had issues with my crank, they sent me a loaner to use while they serviced mine. I guarantee you they can turn it around in a week or less.
Wilson Six.One 95 16X18 Pacific Natural Gut mains @55/TF NRG2 17 Crosses @55
Strung Weight 357g 352g Balance 31.5cm 31.3cm