![Why won't my brand new lego pneumatic pump activate the pneumatic cylinder? Did I do something wrong? : r/lego Why won't my brand new lego pneumatic pump activate the pneumatic cylinder? Did I do something wrong? : r/lego](https://preview.redd.it/why-wont-my-brand-new-lego-pneumatic-pump-activate-the-v0-1g39cr8ozz7a1.jpg?auto=webp&s=74eceeeed257aefaef0b8ab9586acc20937cf357)
Why won't my brand new lego pneumatic pump activate the pneumatic cylinder? Did I do something wrong? : r/lego
![Three LEGO motors, 17 LEGO pneumatic cylinders and a pinch of engineering magic - The Brothers Brick | The Brothers Brick Three LEGO motors, 17 LEGO pneumatic cylinders and a pinch of engineering magic - The Brothers Brick | The Brothers Brick](https://s3-us-west-2.amazonaws.com/media.brothers-brick.com/wp-content/uploads/2018/10/Screen-Shot-2018-03-09-at-10.46.54-640x348.png)
Three LEGO motors, 17 LEGO pneumatic cylinders and a pinch of engineering magic - The Brothers Brick | The Brothers Brick
![LEGO MOC 1 Cylinder Lego Pneumatic Engine - Modified (High RPM) by Green Gecko | Rebrickable - Build with LEGO LEGO MOC 1 Cylinder Lego Pneumatic Engine - Modified (High RPM) by Green Gecko | Rebrickable - Build with LEGO](https://cdn.rebrickable.com/media/thumbs/mocs/moc-12281.jpg/1000x800.jpg)
LEGO MOC 1 Cylinder Lego Pneumatic Engine - Modified (High RPM) by Green Gecko | Rebrickable - Build with LEGO
![Amazon.com: Build 19 Piece Pneumatic Kits with Technic Parts Contains Air Pump, Piston Pressure Rod, Air Lines, Pneumatic Parts Perfect for DIY, MOC Tech, Compatible with Lego (19) : Industrial & Scientific Amazon.com: Build 19 Piece Pneumatic Kits with Technic Parts Contains Air Pump, Piston Pressure Rod, Air Lines, Pneumatic Parts Perfect for DIY, MOC Tech, Compatible with Lego (19) : Industrial & Scientific](https://m.media-amazon.com/images/I/51I6RtRYb6L.jpg)