Handler 26A lathe won't spin true

I'm not really a tool guy but use lathes in my business...Hearing aids...I have 2 Handler 18 atlas Jacob type chucks which spin crooked...Do I need to seat the brass piece with more power or buy a better chuck?...Thanks in advance...GG
NewsGuy.Com 30Gb $9.95 Carry Forward and On Demand Bandwidth

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.