Thanks!
Thank you for that information. Lux Man also told me the same thing. I appreciate everyone's help.
Those may be the transport safety screws.
The owners manual has a little section on how to deal with them.
If you don't have the owners manual, it can be downloaded free from the VinylEngine library.
First you have to register.
http://www.vinylengine.com/library/dual/1229q.shtml
Thank you for that information. Lux Man also told me the same thing. I appreciate everyone's help.