D Dynoguy Member Joined Jun 20, 2016 Messages 83 Reaction score 1 Jul 8, 2016 #1 I am new to detailing and I have a Porter Cable 7424 Polisher, do I need to use a washer before the backing plate goes on ?
I am new to detailing and I have a Porter Cable 7424 Polisher, do I need to use a washer before the backing plate goes on ?
Evan.J New member Joined Sep 18, 2012 Messages 4,915 Reaction score 0 Jul 8, 2016 #2 Short answer is yes Here is a write up all about the compression washer The Compression Washer
