When I got mine, I bought a handbook. Then I took it all apart and cleaned it. Then I sanded and refinished the stock. Next, I took the bolt apart and cleaned the parts of the bolt and checked the firing pin to make sure it was within tolerances (very important).
There are some good videos on YouTube that will explain most of it to you.
There is only one tactical principle which is not subject to change. It is to use the means at hand to inflict the maximum amount of wound, death, and destruction on the enemy in the minimum amount of time." - General George Patton Jr