you know i looked at the parts breakdown and these pistols looked very busy, meaning there are a whole lot of parts
.i've looked at these pistol for years and was always interested but knew they were a part failure away of becoming a paper weight
i hope you can get it up and running but better then that would be a tutelage stored somewhere on how to fix with what off the shelf parts, other wise all will be paper weight
look at the Hammerli CO2 pistols as what will happen to all old low sale volume air guns
lost knowledge will always hurt these old guns
good luck stay safe
mike