![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
![Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games](https://m.media-amazon.com/images/I/41FeCLokggL.jpg)
Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games
![Lego Technic Lego pneumatics Radial engine LEGO Digital Designer, radial, transport, engine, lego Digital Designer png | PNGWing Lego Technic Lego pneumatics Radial engine LEGO Digital Designer, radial, transport, engine, lego Digital Designer png | PNGWing](https://w7.pngwing.com/pngs/755/896/png-transparent-lego-technic-lego-pneumatics-radial-engine-lego-digital-designer-radial-transport-engine-lego-digital-designer.png)