I made this pump with old Lego Pneumatic parts my brother gave me.
I hoped to get rid of the auxiliary piston valve combination but like the original designer more han 150 years ago I discovered this was not possible




Already have some of the parts? Use the Build this MOC page to only show the parts you are missing.
Create an account to change the default filters used.
Waiting for Inventory to load...

These types of files are created with the LDraw system of software. You will need to install compatible software to open and view the instructions.

A full list of available software is on the LDraw site.