My iPod Nano 1st generation can be repared?

I live in Colombia, for be more exact in the state of Santander, my iPod can be repared the display and case?

While my iPod was dangerous because of those that were heated, in my country I could not apply to the replacement program iPods, because Colombia was not on a list, and sometimes can feel the baterry hot... http://www.apple.com/es/support/ipodnano_replacement/

Still interested me fix it myself and my iPod, and it's like a treasure, and I use it constantly for music ... Can I fix it?

Sorry for my bad english, thanks for you attention