Crosman (4032) "bb gun parts" Questions

I need a parts diagram for a 788 crosman bb gun I need an exploding parts diagram for a 788 crosman bb gun http://www.crosman.com/pdf/manuals/crosman/788/C788-EVP2&3.pdf

...bb gun and i cant put it back together? can u give me a diagram of picture 66 C66-OM C66-EVP & PL 1 & 2 Powermaster. Pneumatic, BB repeater, .177 cal., single shot pellet. First variant w/zinc ...

My 1970 vintage crosman BB gun suddenly will not hold pressure when pumping. I found some old parts diagrams. I have some parts numbers for seals etc. Is this a hard thing to do? veryy

...a squirrel with a single BB but this year it will not ever fire a BB. either that or you can send it in with$14 bucks and you will get a used gun back. I know it is used but atleast it will still ...

...bb gun won't hold an air charge It seems like the gasket is dry so I oiled it hoping it would solve the problem, but it hasn't. Does anyone know what to do? Take a look on amazon Amazon com Crosman ...