Set default value in CollectionComponentConfig.xml

Hello,

I tried set default value of properties Change Management/Collector/Affected Object Collector/ Include dependent CAD/Dynamic Documents but it is not working. I created a loader file:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE NmLoader SYSTEM "standardX26.dtd">
<NmLoader>

 <csvPreferenceInstance handler="wt.preference.LoadPreference.createPreferenceInstance">
 <csvname>IncludeDependentsOptionForOpenCollector</csvname>
 <csvcontainerClass>SITE</csvcontainerClass>
 <csvcontainerName></csvcontainerName>
 <csvorganization></csvorganization>
 <csvparentContainerPath></csvparentContainerPath>
 <csvuser></csvuser>
 <csvclientName>WINDCHILL</csvclientName>
 <csvvalue>None</csvvalue>
 <csvlock>false</csvlock>
 <csvlockOnly></csvlockOnly>
 </csvPreferenceInstance>
</NmLoader>

in method server is information that all object were imported successfully but when I open Preference Manager this properties stil have got value All  not None which i tried set. Anyone have got idea why it doesn't work??