Hi Zenieth, Please let us know if the new counterweight solve the problem. I have the same issue. I have two VPI 10.5i arms; one of them could never lock the VTF as I set it. The VTF changes by itself in a matter of days( from 1.95 g to 2.25g) . Finally I swithed the other counter weight on this arm but VTF still changes. I contact VPI but have not heard from them yet. Good luck with yours.
VPI Super Scout Master questions/concerns
I purchased a used SSM table and have some concerns. Is the set screw in the counterweight a problem with others. I have to put some serious torque on the screw to get it to lock in place. In doing so it's difficult to keep the weight in position. This causes the setting to change, time and time again. This JMW9 is the Signature version. The counterweight came from the Original version arm. Are the counterweights the same? Have I got a defective counterweight? I would also like to know how to service the tables platter bearing & the flywheel bearing. How do you put oil/lube in the components? Thank you in adavance for your input.
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