Al Smith
Here For The Long Haul!
- Local time
- 7:05 PM
- User ID
- 537
- Joined
- Jan 14, 2016
- Messages
- 6,471
- Reaction score
- 14,399
- Location
- North western Ohio

On that pump .If I'm not mistaken that screw limits the throw or movement of the diaphragm .More throw more oil .