Daniel go to this link and scroll down the page. On the right you will see a 'bold' link to Support'. If you click on it you can download manuals on Use, set uip, maintenance etc.
http://www.celestron.com/browse-shop...27eq-telescope
A Youtube search on collimating the Celestron 127 Powerseeker :
yielded
Information on collimating a PowerSeeker 127eq
https://www.youtube.com/watch?v=svRmq5R04Zg
Setting Up Celestron PowerSeeker 127EQ
https://www.youtube.com/watch?v=te8a_YwyvLw
I didn't watch them so cannot say how useful they are.
Cheers
Trev