Newbie here

just joined here wanted to say hello I have a ruger 177 break barrel single shot pellet,a Crosman 09A series 22 caliber multi pump single shot pellet, Crosman pump master 760 bb/pellet, an APX bb/pellet multi pump, and a couple of compound bows which are great for bass fishing the California side of the Colorado river! I joined in hopes of getting some info on my Benjamin/Sheridan/Crosman 22 caliber multi pump air rifle.
 
 

so im looking for some literature with detailed instruction on replacing the seals on my Benjamin? It’s 22 cal “C9A” the serial shows October 2001. And where I can order the kit? It looks a little tricky but there seems to be a wealth of information in here. Any good advice on the project is certain to help also. I found the manuals but they don’t explain much thanks