ELu TGS173 change bearings in motor?

Hi
I need help explaining how to take the motor apart so I could change the bearings.

I have removed the motor cover, fan and screws but just cant remove the "7 - END CAP" (look at image) it is loose and I can turn it around but I dont how to remove it.

http://www.mtmc.co.uk/Images/Products/22586/22586.gif

Thanks !

bjorn
September 2010