How to fix a Milwaukee nail gun

In this video we are fixing a Milwaukee nail gun. The nail gun just spurts and makes a farting type noise and does not sink nails. I show how to disassemble the nail gun, and repair it. The fitting to fill I believe is a 1/8“ BSP male, and you need a pump capable of providing around 160psi fill pressure. I had a comment that the method used would not work because the centre pin wasn't pressed on the valve. There is no need to have anything press the centre pin of the Schrader valve, as they have an “opening pressure“. They are a one way valve designed to keep the air inside the container. If the pressure of the air being pumped in is greater than the valve opening pressure pressure inside the container already then the valve will allow air to flow into the container. If you search “schrader opening pressure“ on google for instance you will see the specifications for different valves. Here is an example: Product Code: 015660113