Just the breaking down (or putting up) of a pinball machine is a big problem if you are by yourself. The usual way is to use your knee or a chair and lift up the rear of the game and remove the legs then lower the game to the floor.
I tried this in the beginning and will never do again! My back hurt for a long time and eventually I would have permanent back problems.
I have used this system ever since then so I can raise or lower a pin to the floor by myself with no strain. In addition this method is lightweight and small so it can be carried to any kind of location where a pin is and takes up little space in your car.
Thanks.
Alan