[Dfariswheel]

A common problem with these is aging "O" rings in the gas system.

Here's an owner's manual:

http://stevespages.com/pdf/s&w_1000.pdf

Here's a schematic and parts:

http://www.gunpartscorp.com/Manufact...1000-41245.htm

Here's more parts:

http://lsgmfg.com/