one of the most important aspects of owning a Mosin 91/30 is keeping the bolt clean and in proper working order. unfortunately there is not much info on exactly how to take the mosin 91/30 bolt apart and put it together. while there are some vids and a few pictorals none of them explain the relationship of each part to its neighbor.
two key pieces of gear for the mosin that everyone should have is the bolt tool and broken shell extractor. the extractor is used to remove a stuck case that has seperated its base from the rest of the case. the bolt tool is needed to properly set firing pin protrusion.
the extractor is used by dropping it into the chamber then closing the bolt on the stuck case then open the bolt and pull the rest of the case out. unscrew the extractor and discard the broken case. put the extractor back together and its ready for another round.
to remove the bolt depress the trigger and slide the bolt out the back of the rifle.
hold the bolt in your left hand with the bolt handle towards you and the bolt head to the left as in the picture below.
wrap your fingers around the bolt handle and your thumb against the bolt face.
with your other hand pull the cocking knob and rotate it towards you. this releases the spring tension of the fring pin spring
with the bolt in the fired position and out of the rifle the bolt head and connector rod will come apart.
the large notch on the bolt tool fits the flat skinny part of the firing pin.
after unscrewing the firing pin all the way the rest of the bolt will come apart. the cocking knob will seperate from the bolt body. at this point its fully apart and can be cleaned easily.
the confusing part is how the hell does it all go back together????? well its not as hard as it seems. the cocking piece and bolt body both have cuts that mate up as shown below