1. 
C:\Program Files (x86)\EWA\server\conf\server.xml

Go to this lines:

<!-- Define a non-SSL HTTP/1.1 Connector on port 9000 -->
<Connector port="80" protocol="HTTP/1.1" secure="false" maxHttpHeaderSize="8192" acceptCount="300" maxThreads="200" enableLookups="false" redirectPort="8443" connectionTimeout="60000" disableUploadTimeout="false" />

change 
<Connector port="9000" 
to 
<Connector port="80"

2.
C:\Program Files (x86)\EWA\config\core_cfg.xml
search this:
<PARAMETER name="httpPort">9000</PARAMETER>
change to:
<PARAMETER name="httpPort">80</PARAMETER>